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STATISTICS FOR MEXICO
GEMS/WATER - STATISTICAL SUMMARY BY STATION 2002-01-30 PAGE 401
STATION - RIO COLORADO STATION NO. 037001
COUNTRY - MEXICO DEPTH(M) 4.0
LOCATION - OCT. 1 LAT. 32/42/00 LONG. 114/43/00 ELEVATION(M)9999.9
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-18 TO 1996-12-02
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID N KJEL
APPARENT COND
02011 02041 02061 02073 07004
REL.UNIT us/cm deg C JTU mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 23 32 36 24 13
MEAN 14.8 1289. 22.1 31.6 0.4
MINIMUM 5.0 100. 14.0 3.1 0.1
DATE OF MINIMUM 1995-01-17 1994-02-15 1994-12-06 1996-12-02 1994-03-15
10TH PERCENTILE 5.0 912. 14.0 13.0 0.1
MEDIAN 15.0 1366. 21.5 25.0 0.4
90TH PERCENTILE 25.0 1610. 28.3 60.5 0.7
MAXIMUM 30.0 1764. 32.0 85.0 0.7
DATE OF MAXIMUM 1996-10-08 1996-07-09 1995-07-18 1996-09-10 1994-05-17
STANDARD DEVIATION 7.9 339. 5.4 21.7 0.2
ORG. N NH3 O2 BOD COD
DISS DISS
07401 07554 08101 08201 08301
mg/L N mg/L N mg/L O2 mg/L O2 mg/L O2
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 19 32 37 35 37
MEAN 0.6 0.10 8.4 2. 19.
MINIMUM 0.1 0.04 6.5 1. 5.
DATE OF MINIMUM 1995-02-21 1994-01-18 1996-07-09 1994-03-15 1995-06-20
10TH PERCENTILE 0.1 0.05 6.8 1. 5.
MEDIAN 0.6 0.05 8.4 1. 15.
90TH PERCENTILE 0.9 0.19 9.9 3. 33.
MAXIMUM 1.0 0.53 11.4 7. 85.
DATE OF MAXIMUM 1996-06-11 1994-07-19 1994-12-06 1996-01-23 1994-11-15
STANDARD DEVIATION 0.3 0.11 1.2 1. 18.
ALK pH SUSP SOL RESIDUE RESIDUE
TOTAL 105 DEG FILT TOTAL
10102 10302 10401 10452 10473
mg/L pH UNITS mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 36 37 35 24 24
MEAN 191.39 7.9 30. 907. 939.
MINIMUM 126.00 7.6 8. 648. 684.
DATE OF MINIMUM 1994-09-20 1994-04-26 1995-10-17 1996-04-16 1996-04-16
10TH PERCENTILE 156.60 7.7 11. 728. 770.
MEDIAN 193.00 7.9 28. 893. 929.
90TH PERCENTILE 210.20 8.1 46. 1040. 1079.
MAXIMUM 266.00 8.5 106. 1154. 1174.
DATE OF MAXIMUM 1994-06-21 1995-04-18 1995-07-18 1996-11-05 1996-11-05
STANDARD DEVIATION 25.12 0.2 18. 119. 117.
FIX SUSP VOL SUSP RESIDUE VOL DISS RESIDUE
SOLIDS SOLIDS TOT VOL SOLIDS FIXED
10501 10511 10521 10531 10551
mg/L mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 24 35 24 24 24
MEAN 22. 10. 100. 90. 817.
MINIMUM 4. 0. 40. 26. 556.
DATE OF MINIMUM 1995-08-22 1994-03-15 1996-10-08 1996-12-02 1996-04-16
10TH PERCENTILE 5. 0. 46. 36. 664.
MEDIAN 17. 6. 102. 98. 815.
90TH PERCENTILE 36. 23. 134. 124. 975.
MAXIMUM 96. 40. 154. 144. 1080.
DATE OF MAXIMUM 1995-07-18 1996-03-12 1996-01-23 1996-01-23 1996-11-05
STANDARD DEVIATION 19. 9. 33. 31. 125.
RESIDUE HARDNESS PO4-P P ORTHO SULPHATE
FIX TOT TOTAL SOL DISS
10571 10603 15254 15255 16302
mg/L mg/L mg/L PO4 mg/L P mg/L SO4
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 24 24 37 37 37
MEAN 839. 359.9 0.067 0.016 278.
MINIMUM 588. 258.0 0.010 0.010 123.
DATE OF MINIMUM 1996-04-16 1995-05-16 1994-04-19 1994-01-18 1995-06-20
10TH PERCENTILE 688. 279.2 0.010 0.010 195.
MEDIAN 837. 362.0 0.040 0.010 289.
90TH PERCENTILE 992. 416.0 0.143 0.013 348.
MAXIMUM 1094. 460.0 0.170 0.100 365.
DATE OF MAXIMUM 1996-11-05 1996-06-11 1995-10-17 1996-10-08 1994-10-18
STANDARD DEVIATION 122. 49.8 0.054 0.021 57.
Cl Ca Ca COLIFORM FAEC COL
DISS DISS HARDNESS TOTAL
17201 20101 20106 36001 36011
mg/L Cl mg/L Ca mg/L No/100ml No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 37 13 24 23 37
MEAN 170. 89.662 222.6 1484. 190.
MINIMUM 106. 65.200 156.0 23. 3.
DATE OF MINIMUM 1996-01-23 1994-08-23 1995-06-20 1995-07-18 1996-01-23
10TH PERCENTILE 121. 71.560 159.6 23. 4.
MEDIAN 163. 90.000 223.0 460. 93.
90TH PERCENTILE 223. 96.000 270.0 3720. 447.
MAXIMUM 274. 102.800 282.0 11000. 1100.
DATE OF MAXIMUM 1995-07-18 1994-05-17 1995-02-21 1995-02-21 1994-07-19
STANDARD DEVIATION 40. 8.730 37.3 2473. 290.
FAEC TEMP-AIR
STREP
36101 97060
No/100ml deg C
NO. OF L-FLAGGED VALUES 0 0
NO. OF G-FLAGGED VALUES 0 0
NO. OF UNFLAGGED VALUES 24 24
MEAN 8.2E+04 29.4
MINIMUM 0.0E+00 15.0
DATE OF MINIMUM 1995-12-05 1996-12-02
10TH PERCENTILE 1.2E+01 19.2
MEDIAN 4.3E+04 28.0
90TH PERCENTILE 2.4E+05 38.5
MAXIMUM 4.6E+05 45.0
DATE OF MAXIMUM 1995-11-14 1995-07-18
STANDARD DEVIATION 1.1E+05 7.5
STATION - RIO CONCHOS STATION NO. 037002
COUNTRY - MEXICO DEPTH(M) 1.1
LOCATION - OCT. 1 LAT. 29/34/00 LONG. 104/26/00 ELEVATION(M)1210.0
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-18 TO 1996-12-04
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID B
APPARENT COND TOTAL
02011 02041 02061 02073 05001
REL.UNIT us/cm deg C JTU mg/L B
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 18 25 26 18 18
MEAN 11.4 1820. 23.5 31.1 0.5
MINIMUM 10.0 1413. 14.0 1.0 0.0
DATE OF MINIMUM 1995-03-01 1994-08-24 1994-02-01 1995-05-16 1995-12-14
10TH PERCENTILE 10.0 1512. 14.2 2.3 0.1
MEDIAN 10.0 1770. 22.8 15.7 0.4
90TH PERCENTILE 15.0 2045. 30.4 70.3 0.8
MAXIMUM 15.0 2620. 34.0 116.0 1.5
DATE OF MAXIMUM 1996-04-09 1994-06-07 1995-07-12 1996-05-29 1995-04-25
STANDARD DEVIATION 2.3 255. 5.6 34.5 0.4
BICARB. CARBONAT OIL AND NO3NO2 NO2-N
GREASE
06201 06301 06521 07105 07207
mg/LHC03 mg/LHC03 mg/L mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 17 17 18 7 18
MEAN 273. 18. 19. 3.11 0.04
MINIMUM 23. 0. 6. 1.55 0.01
DATE OF MINIMUM 1995-04-25 1996-08-07 1996-09-27 1994-10-12 1995-11-09
10TH PERCENTILE 95. 0. 13. 0.01
MEDIAN 295. 24. 20. 2.70 0.02
90TH PERCENTILE 337. 33. 23. 0.04
MAXIMUM 415. 46. 28. 8.08 0.25
DATE OF MAXIMUM 1996-04-09 1995-07-12 1996-03-27 1994-02-01 1995-05-16
STANDARD DEVIATION 91. 14. 5. 2.31 0.05
NO3-N ORG. N O2 BOD COD
DISS DISS
07306 07401 08101 08201 08301
mg/L N mg/L N mg/L O2 mg/L O2 mg/L O2
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 19 1 25 25 25
MEAN 1.20 0.0 8.3 5. 17.
MINIMUM 0.00 2.0 2. 4.
DATE OF MINIMUM 1995-10-24 1996-08-07 1994-06-07 1994-06-07
10TH PERCENTILE 0.18 3.6 2. 6.
MEDIAN 1.34 9.0 4. 16.
90TH PERCENTILE 2.12 11.0 7. 26.
MAXIMUM 2.50 12.0 16. 41.
DATE OF MAXIMUM 1996-12-04 1995-04-25 1994-02-01 1996-06-25
STANDARD DEVIATION 0.68 2.7 3. 9.
ALK ALK ACIDITY pH pH
TOTAL PHENOL TOTAL
10102 10151 10252 10301 10302
mg/L mg/L mg/L pH UNITS pH UNITS
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 25 19 18 17 23
MEAN 264.82 1.0 26.19 7.2 7.6
MINIMUM 182.00 0.0 7.12 6.0 7.3
DATE OF MINIMUM 1995-04-25 1995-03-01 1995-11-09 1995-05-16 1995-03-01
10TH PERCENTILE 206.00 0.0 11.42 6.4 7.3
MEDIAN 266.00 0.0 22.18 7.0 7.6
90TH PERCENTILE 297.62 2.4 40.40 7.7 8.0
MAXIMUM 370.00 10.0 50.00 8.3 8.3
DATE OF MAXIMUM 1996-04-09 1996-05-29 1995-05-16 1996-06-25 1994-06-07
STANDARD DEVIATION 40.43 2.6 11.46 0.5 0.2
SUSP SOL RESIDUE RESIDUE FIX SUSP VOL SUSP
105 DEG FILT TOTAL SOLIDS SOLIDS
10401 10452 10473 10501 10511
mg/L mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 25 19 18 18 25
MEAN 105. 1171. 1299. 65. 53.
MINIMUM 0. 680. 1040. 0. 0.
DATE OF MINIMUM 1995-04-25 1996-01-25 1995-12-14 1995-04-25 1994-04-06
10TH PERCENTILE 3. 698. 1072. 2. 2.
MEDIAN 45. 1225. 1245. 28. 12.
90TH PERCENTILE 300. 1381. 1532. 126. 125.
MAXIMUM 530. 1500. 1710. 300. 420.
DATE OF MAXIMUM 1996-01-25 1995-05-16 1996-06-25 1996-04-09 1996-01-25
STANDARD DEVIATION 138. 229. 198. 86. 89.
RESIDUE VOL DISS RESIDUE RESIDUE HARDNESS
TOT VOL SOLIDS FIXED FIX TOT TOTAL
10521 10531 10551 10571 10603
mg/L mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 18 18 18 18 19
MEAN 522. 450. 712. 777. 459.6
MINIMUM 40. 0. 30. 175. 357.2
DATE OF MINIMUM 1995-12-14 1995-11-09 1996-06-25 1996-08-07 1996-03-27
10TH PERCENTILE 48. 8. 130. 187. 360.4
MEDIAN 338. 240. 830. 935. 455.0
90TH PERCENTILE 1134. 1112. 1110. 1138. 573.6
MAXIMUM 1410. 1320. 1270. 1290. 593.0
DATE OF MAXIMUM 1996-06-25 1996-06-25 1995-05-16 1995-05-16 1996-05-29
STANDARD DEVIATION 464. 457. 403. 389. 71.4
Na PO4-P P ORTHO SULPHATE Cl
DISS SOL DISS DISS
11105 15254 15255 16302 17201
mg/L Na mg/L PO4 mg/L P mg/L SO4 mg/L Cl
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 17 25 24 26 26
MEAN 90. 0.254 0.063 510. 70.
MINIMUM 4. 0.003 0.000 14. 18.
DATE OF MINIMUM 1995-11-09 1996-01-25 1995-04-25 1995-12-14 1994-01-18
10TH PERCENTILE 4. 0.011 0.000 274. 35.
MEDIAN 8. 0.108 0.010 550. 73.
90TH PERCENTILE 201. 0.382 0.163 676. 93.
MAXIMUM 253. 1.628 0.222 739. 110.
DATE OF MAXIMUM 1995-05-16 1994-02-01 1994-01-18 1996-05-29 1996-05-29
STANDARD DEVIATION 96. 0.421 0.078 166. 21.
K Ca Ca COLIFORM FAEC COL
DISS DISS HARDNESS TOTAL
19103 20101 20106 36001 36011
mg/L K mg/L Ca mg/L No/100ml No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 17 7 19 25 25
MEAN 4.9 119.314 358.6 4.9E+04 7.3E+03
MINIMUM 0.0 102.800 297.0 4.3E+01 2.3E+01
DATE OF MINIMUM 1995-10-24 1994-03-09 1995-05-16 1994-03-09 1994-06-07
10TH PERCENTILE 0.1 310.5 4.3E+01 2.3E+01
MEDIAN 0.4 118.800 356.0 2.4E+02 5.0E+01
90TH PERCENTILE 10.6 395.9 1.3E+04 1.4E+03
MAXIMUM 12.0 138.800 440.0 9.0E+05 1.7E+05
DATE OF MAXIMUM 1996-08-07 1994-08-24 1996-05-29 1996-12-04 1996-10-18
STANDARD DEVIATION 5.1 11.159 37.6 1.9E+05 3.4E+04
TEMP-AIR
97060
deg C
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 19
MEAN 28.4
MINIMUM 20.0
DATE OF MINIMUM 1996-01-25
10TH PERCENTILE 21.8
MEDIAN 29.0
90TH PERCENTILE 35.0
MAXIMUM 37.0
DATE OF MAXIMUM 1995-05-16
STANDARD DEVIATION 5.2
STATION - RIO BRAVO STATION NO. 037003
COUNTRY - MEXICO DEPTH(M) 3.0
LOCATION - OCT. 1 LAT. 25/53/00 LONG. 097/30/30 ELEVATION(M) 1.5
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-02-07 TO 1996-12-12
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID BICARB.
APPARENT COND
02011 02041 02061 02073 06201
REL.UNIT us/cm deg C JTU mg/LHC03
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 13 24 24 13 13
MEAN 40.0 1511. 24.4 27.4 188.
MINIMUM 20.0 1130. 18.0 10.3 136.
DATE OF MINIMUM 1995-01-18 1995-04-03 1995-03-06 1996-11-06 1995-06-07
10TH PERCENTILE 20.0 1229. 18.4 10.4 143.
MEDIAN 40.0 1526. 23.0 32.0 178.
90TH PERCENTILE 64.0 1686. 31.0 42.3 240.
MAXIMUM 80.0 1907. 31.0 48.0 249.
DATE OF MAXIMUM 1996-10-15 1994-11-07 1995-06-07 1995-01-18 1995-10-17
STANDARD DEVIATION 19.6 182. 4.4 12.8 35.
CARBONAT OIL AND NO3NO2 NO3-N NH3
GREASE
06301 06521 07105 07306 07554
mg/LHC03 mg/L mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 13 11 8 13 21
MEAN 1. 9. 0.19 0.15 0.31
MINIMUM 0. 3. 0.05 0.01 0.03
DATE OF MINIMUM 1995-01-18 1995-10-17 1994-03-09 1995-01-18 1995-03-06
10TH PERCENTILE 0. 3. 0.04 0.03
MEDIAN 0. 7. 0.10 0.13 0.03
90TH PERCENTILE 4. 14. 0.22 0.71
MAXIMUM 5. 25. 0.63 0.24 3.05
DATE OF MAXIMUM 1995-04-03 1996-11-06 1994-02-07 1995-04-03 1994-04-06
STANDARD DEVIATION 2. 6. 0.19 0.07 0.67
O2 BOD COD ALK ALK
DISS TOTAL PHENOL
08101 08201 08301 10102 10151
mg/L O2 mg/L O2 mg/L O2 mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 24 24 24 22 13
MEAN 7.7 4. 34. 164.05 1.5
MINIMUM 6.0 1. 10. 112.00 0.0
DATE OF MINIMUM 1994-08-15 1995-01-18 1995-01-18 1995-06-07 1995-01-18
10TH PERCENTILE 6.2 2. 10. 130.40 0.0
MEDIAN 7.5 4. 22. 154.00 0.0
90TH PERCENTILE 9.6 5. 80. 204.80 6.8
MAXIMUM 10.8 7. 112. 225.00 8.0
DATE OF MAXIMUM 1995-03-06 1994-02-07 1994-03-09 1994-11-07 1995-04-03
STANDARD DEVIATION 1.3 1. 29. 31.54 3.1
pH SUSP SOL RESIDUE RESIDUE FIX SUSP
105 DEG FILT TOTAL SOLIDS
10302 10401 10452 10473 10501
pH UNITS mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 24 24 13 13 13
MEAN 8.1 80. 1046. 1084. 20.
MINIMUM 7.3 16. 826. 854. 7.
DATE OF MINIMUM 1996-06-25 1994-08-15 1996-09-26 1996-09-26 1996-12-12
10TH PERCENTILE 7.4 23. 857. 885. 8.
MEDIAN 8.1 36. 1048. 1100. 19.
90TH PERCENTILE 8.4 87. 1166. 1196. 32.
MAXIMUM 8.5 873. 1203. 1240. 34.
DATE OF MAXIMUM 1995-04-03 1994-09-05 1996-02-20 1996-02-20 1995-04-03
STANDARD DEVIATION 0.3 171. 106. 108. 8.
VOL SUSP RESIDUE RESIDUE HARDNESS Na
SOLIDS TOT VOL FIX TOT TOTAL DISS
10511 10521 10571 10603 11103
mg/L mg/L mg/L mg/L mg/L Na
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 24 13 13 13 3
MEAN 103. 331. 754. 372.7 125.
MINIMUM 6. 127. 648. 329.0
DATE OF MINIMUM 1995-10-17 1996-10-15 1995-10-17 1996-09-26
10TH PERCENTILE 12. 133. 659. 329.6
MEDIAN 33. 380. 778. 356.0
90TH PERCENTILE 168. 454. 829. 433.3
MAXIMUM 972. 488. 882. 447.0
DATE OF MAXIMUM 1994-05-16 1995-01-18 1996-06-25 1996-11-06
STANDARD DEVIATION 198. 129. 72. 41.2
Na Mg PO4-P P ORTHO SULPHATE
DISS DISS SOL DISS
11105 12103 15254 15255 16302
mg/L Na mg/L Mg mg/L PO4 mg/L P mg/L SO4
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 11 2 13 11 21
MEAN 178. 0. 0.111 0.160 312.
MINIMUM 120. 0.003 0.030 64.
DATE OF MINIMUM 1996-09-26 1994-02-07 1996-02-20 1994-04-06
10TH PERCENTILE 123. 0.017 0.032 182.
MEDIAN 172. 0.090 0.100 328.
90TH PERCENTILE 206. 0.180 0.241 388.
MAXIMUM 232. 0.250 0.700 506.
DATE OF MAXIMUM 1996-04-11 1996-09-26 1995-01-18 1994-02-07
STANDARD DEVIATION 31. 0.066 0.189 94.
Cl K Ca Ca Fe
DISS DISS DISS HARDNESS DISS
17201 19103 20101 20106 26102
mg/L Cl mg/L K mg/L Ca mg/L mg/L Fe
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 24 14 22 13 2
MEAN 207. 6.4 93.609 182.3 0.40
MINIMUM 154. 3.6 46.000 100.0
DATE OF MINIMUM 1994-06-08 1995-01-18 1996-02-20 1995-06-07
10TH PERCENTILE 172. 3.8 56.320 102.1
MEDIAN 204. 6.4 84.700 164.0
90TH PERCENTILE 246. 8.5 135.040 277.5
MAXIMUM 270. 10.0 176.000 297.0
DATE OF MAXIMUM 1994-11-07 1996-12-12 1994-06-08 1996-11-06
STANDARD DEVIATION 28. 2.0 33.324 65.7
Cu Zn FAEC COL PHENOLS TEMP-AIR
DISS DISS
29106 30101 36011 95011 97060
mg/L Cu mg/L Zn No/100ml ug/L deg C
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 2 2 24 12 13
MEAN 0.070 0.095 234. 1.0 28.5
MINIMUM 0. 1.0 14.0
DATE OF MINIMUM 1994-10-12 1995-01-18 1996-03-26
10TH PERCENTILE 6. 1.0 17.0
MEDIAN 78. 1.0 29.0
90TH PERCENTILE 682. 1.0 33.7
MAXIMUM 1440. 1.0 34.0
DATE OF MAXIMUM 1995-04-03 1996-12-12 1996-09-26
STANDARD DEVIATION 388. 0.0 5.4
STATION - RIO PANUCO STATION NO. 037004
COUNTRY - MEXICO DEPTH(M) 10.0
LOCATION - OCT. 1 LAT. 23/03/00 LONG. 098/18/30 ELEVATION(M) 12.0
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-11 TO 1996-11-05
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID BICARB.
APPARENT COND
02011 02041 02061 02073 06201
REL.UNIT us/cm deg C JTU mg/LHC03
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 6 21 22 6 3
MEAN 17.3 745. 27.7 67.8 195.
MINIMUM 10.0 360. 20.0 8.0
DATE OF MINIMUM 1995-02-09 1996-09-23 1994-01-11 1995-02-09
10TH PERCENTILE 454. 20.7
MEDIAN 14.4 802. 28.5 32.0
90TH PERCENTILE 900. 30.0
MAXIMUM 30.0 977. 32.0 225.0
DATE OF MAXIMUM 1995-10-11 1994-07-27 1994-07-27 1996-07-09
STANDARD DEVIATION 8.7 169. 3.3 83.9
CARBONAT OIL AND NO3NO2 NO3-N NH3
GREASE
06301 06521 07105 07306 07554
mg/LHC03 mg/L mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 3 6 16 6 15
MEAN 0. 4. 0.26 0.14 0.04
MINIMUM 2. 0.05 0.03 0.00
DATE OF MINIMUM 1995-02-09 1994-05-10 1996-11-05 1996-07-09
10TH PERCENTILE 0.05 0.00
MEDIAN 4. 0.16 0.12 0.03
90TH PERCENTILE 0.71 0.08
MAXIMUM 8. 0.87 0.28 0.12
DATE OF MAXIMUM 1996-07-09 1994-08-31 1995-10-11 1994-07-19
STANDARD DEVIATION 2. 0.27 0.09 0.03
O2 BOD COD ALK ALK
DISS TOTAL PHENOL
08101 08201 08301 10102 10151
mg/L O2 mg/L O2 mg/L O2 mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 21 18 22 22 6
MEAN 7.6 1. 27. 165.45 0.3
MINIMUM 5.0 0. 2. 132.00 0.0
DATE OF MINIMUM 1995-10-11 1995-10-11 1994-08-31 1996-09-23 1995-02-09
10TH PERCENTILE 5.8 0. 4. 143.60
MEDIAN 7.8 1. 8. 162.50 0.0
90TH PERCENTILE 9.0 2. 57. 188.80
MAXIMUM 9.6 3. 211. 199.50 2.0
DATE OF MAXIMUM 1994-04-27 1994-05-10 1996-11-05 1994-03-23 1996-11-05
STANDARD DEVIATION 1.3 1. 47. 17.07 0.8
pH SUSP SOL RESIDUE RESIDUE FIX SUSP
105 DEG FILT TOTAL SOLIDS
10302 10401 10452 10473 10501
pH UNITS mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 22 21 6 6 3
MEAN 7.9 133. 522. 839. 17.
MINIMUM 7.2 4. 201. 464.
DATE OF MINIMUM 1996-07-09 1996-11-05 1996-09-23 1996-07-09
10TH PERCENTILE 7.5 12.
MEDIAN 8.0 32. 474. 610.
90TH PERCENTILE 8.2 136.
MAXIMUM 8.2 1775. 869. 1976.
DATE OF MAXIMUM 1994-10-25 1996-09-23 1995-03-01 1996-09-23
STANDARD DEVIATION 0.3 380. 232. 580.
VOL SUSP RESIDUE RESIDUE HARDNESS Na
SOLIDS TOT VOL FIX TOT TOTAL DISS
10511 10521 10571 10603 11103
mg/L mg/L mg/L mg/L mg/L Na
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 3 3 5 2
MEAN 85. 240. 452. 382.2 22.
MINIMUM 11. 209.8
DATE OF MINIMUM 1995-02-09 1996-09-23
10TH PERCENTILE
MEDIAN 32. 374.3
90TH PERCENTILE
MAXIMUM 202. 516.0
DATE OF MAXIMUM 1994-05-10 1995-02-09
STANDARD DEVIATION 85. 132.5
Na Mg PO4-P P ORTHO SULPHATE
DISS DISS SOL DISS
11105 12103 15254 15255 16302
mg/L Na mg/L Mg mg/L PO4 mg/L P mg/L SO4
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 2 3 17 19 22
MEAN 13. 0. 0.066 0.042 217.
MINIMUM 0.010 0.010 61.
DATE OF MINIMUM 1996-07-09 1994-01-11 1994-09-29
10TH PERCENTILE 0.024 0.010 77.
MEDIAN 0.050 0.030 185.
90TH PERCENTILE 0.114 0.099 362.
MAXIMUM 0.140 0.120 394.
DATE OF MAXIMUM 1994-05-24 1994-05-24 1995-03-01
STANDARD DEVIATION 0.036 0.034 101.
Cl K Ca Ca Fe
DISS DISS DISS HARDNESS DISS
17201 19103 20101 20106 26102
mg/L Cl mg/L K mg/L Ca mg/L mg/L Fe
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 22 11 18 3 3
MEAN 13. 2.1 103.950 301.3 0.06
MINIMUM 6. 1.2 44.800
DATE OF MINIMUM 1996-07-09 1995-02-09 1994-02-22
10TH PERCENTILE 8. 1.2 52.480
MEDIAN 14. 1.9 104.282
90TH PERCENTILE 17. 3.4 150.586
MAXIMUM 18. 3.8 156.800
DATE OF MAXIMUM 1994-05-24 1994-09-29 1994-02-01
STANDARD DEVIATION 3. 0.9 39.366
Cu Zn COLIFORM FAEC COL PHENOLS
DISS DISS TOTAL
29106 30101 36001 36011 95011
mg/L Cu mg/L Zn No/100ml No/100ml ug/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 3 3 5 19 3
MEAN 0.050 0.020 2460. 303. 1.0
MINIMUM 100. 2.
DATE OF MINIMUM 1996-11-05 1994-07-27
10TH PERCENTILE 11.
MEDIAN 1000. 58.
90TH PERCENTILE 978.
MAXIMUM 5700. 1850.
DATE OF MAXIMUM 1994-07-19 1994-10-25
STANDARD DEVIATION 2474. 506.
TEMP-AIR
97060
deg C
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 6
MEAN 28.4
MINIMUM 25.0
DATE OF MINIMUM 1995-03-01
10TH PERCENTILE
MEDIAN 29.0
90TH PERCENTILE
MAXIMUM 30.5
DATE OF MAXIMUM 1995-10-11
STANDARD DEVIATION 2.2
STATION - RIO COATZACOALCOS STATION NO. 037005
COUNTRY - MEXICO DEPTH(M) 10.0
LOCATION - OCT. 1 LAT. 18/06/30 LONG. 094/25/00 ELEVATION(M) 1.1
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-17 TO 1996-12-03
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID OIL AND
APPARENT COND GREASE
02011 02041 02061 02073 06521
REL.UNIT us/cm deg C JTU mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 22 33 32 23 20
MEAN 32.9 4167. 26.1 183.6 10.
MINIMUM 6.2 104. 0.3 52.1 0.
DATE OF MINIMUM 1996-03-26 1996-10-10 1994-08-24 1995-12-12 1996-02-19
10TH PERCENTILE 6.2 120. 23.0 59.1 1.
MEDIAN 30.6 1776. 26.5 127.2 6.
90TH PERCENTILE 62.5 11700. 30.4 312.4 25.
MAXIMUM 62.5 22000. 33.0 725.0 40.
DATE OF MAXIMUM 1996-09-10 1995-05-16 1995-05-16 1996-10-10 1995-02-21
STANDARD DEVIATION 19.8 5459. 5.5 159.3 11.
NO3NO2 NO2-N NO3-N ORG. N NH3
DISS
07105 07207 07306 07401 07554
mg/L N mg/L N mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 11 7 22 4 18
MEAN 0.42 0.02 0.11 0.9 0.32
MINIMUM 0.11 0.01 0.01 0.8 0.00
DATE OF MINIMUM 1994-04-26 1995-02-21 1995-05-16 1995-05-16 1996-03-26
10TH PERCENTILE 0.12 0.01 0.00
MEDIAN 0.27 0.01 0.05 0.9 0.22
90TH PERCENTILE 0.78 0.22 0.71
MAXIMUM 1.18 0.05 0.76 0.9 1.46
DATE OF MAXIMUM 1994-03-15 1995-06-17 1995-06-17 1995-08-22 1995-05-16
STANDARD DEVIATION 0.32 0.01 0.17 0.0 0.39
TOTAL O2 BOD COD ALK
NITROGEN DISS TOTAL
07601 08101 08201 08301 10101
mg/L N mg/L O2 mg/L O2 mg/L O2 mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 4 33 34 33 10
MEAN 1.66 6.1 2. 59. 68.88
MINIMUM 1.21 2.0 0. 11. 55.08
DATE OF MINIMUM 1995-06-17 1994-08-24 1996-12-03 1995-12-12 1994-12-13
10TH PERCENTILE 3.5 0. 13. 55.08
MEDIAN 1.57 6.3 2. 42. 65.70
90TH PERCENTILE 7.8 4. 137. 86.40
MAXIMUM 2.30 9.1 5. 183. 88.56
DATE OF MAXIMUM 1995-05-16 1996-04-22 1996-10-10 1996-09-10 1994-05-30
STANDARD DEVIATION 0.47 1.7 1. 47. 12.27
ALK ALK ACIDITY pH pH
TOTAL PHENOL TOTAL
10102 10151 10252 10301 10302
mg/L mg/L mg/L pH UNITS pH UNITS
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 23 20 9 14 30
MEAN 62.33 1.5 5.38 7.0 7.5
MINIMUM 39.71 0.0 0.00 6.0 6.7
DATE OF MINIMUM 1995-08-22 1995-01-10 1995-04-18 1995-01-10 1995-08-22
10TH PERCENTILE 41.60 0.0 6.0 6.9
MEDIAN 61.00 0.0 4.18 7.0 7.5
90TH PERCENTILE 72.62 5.0 7.6 8.1
MAXIMUM 104.50 16.7 16.10 7.8 8.2
DATE OF MAXIMUM 1995-05-16 1995-05-16 1995-08-22 1995-10-18 1995-05-16
STANDARD DEVIATION 14.71 4.1 5.11 0.6 0.5
SUSP SOL RESIDUE RESIDUE FIX SUSP VOL SUSP
105 DEG FILT TOTAL SOLIDS SOLIDS
10401 10452 10473 10501 10511
mg/L mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 34 23 19 7 18
MEAN 42. 3996. 4671. 25. 1217.
MINIMUM 0. 68. 116. 0. 0.
DATE OF MINIMUM 1995-01-10 1996-10-10 1996-08-21 1995-01-10 1995-01-10
10TH PERCENTILE 6. 94. 118. 2.
MEDIAN 38. 1072. 2498. 22. 81.
90TH PERCENTILE 76. 7731. 10486. 3191.
MAXIMUM 148. 34208. 34304. 62. 9776.
DATE OF MAXIMUM 1994-10-12 1995-05-16 1995-05-16 1995-05-16 1994-01-17
STANDARD DEVIATION 32. 7725. 8401. 20. 2597.
RESIDUE VOL DISS RESIDUE RESIDUE HARDNESS
TOT VOL SOLIDS FIXED FIX TOT TOTAL
10521 10531 10551 10571 10603
mg/L mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 7 7 7 22
MEAN 1614. 1598. 7150. 7232. 876.5
MINIMUM 72. 50. 40. 78. 24.2
DATE OF MINIMUM 1995-08-22 1995-08-22 1995-08-22 1995-08-22 1996-02-19
10TH PERCENTILE 49.1
MEDIAN 392. 390. 2230. 2256. 180.6
90TH PERCENTILE 2573.9
MAXIMUM 6562. 6528. 27680. 27742. 5581.0
DATE OF MAXIMUM 1995-05-16 1995-05-16 1995-05-16 1995-05-16 1995-05-16
STANDARD DEVIATION 2400. 2389. 10445. 10430. 1523.1
PO4-P P ORTHO SULPHATE Cl Ca
SOL DISS DISS DISS
15254 15255 16302 17201 20101
mg/L PO4 mg/L P mg/L SO4 mg/L Cl mg/L Ca
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 33 19 33 34 11
MEAN 0.110 0.052 184. 1805. 75.763
MINIMUM 0.010 0.010 8. 6. 18.768
DATE OF MINIMUM 1994-01-17 1994-01-17 1995-09-29 1995-09-29 1994-12-13
10TH PERCENTILE 0.010 0.010 14. 16. 19.039
MEDIAN 0.095 0.018 119. 696. 33.936
90TH PERCENTILE 0.185 0.101 208. 4638. 187.968
MAXIMUM 0.568 0.242 1891. 17494. 277.200
DATE OF MAXIMUM 1995-05-16 1995-05-16 1995-05-16 1995-05-16 1994-06-21
STANDARD DEVIATION 0.105 0.059 362. 3384. 87.293
Ca COLIFORM FAEC COL TEMP-AIR
HARDNESS TOTAL
20106 36001 36011 97060
mg/L No/100ml No/100ml deg C
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 7 26 33 23
MEAN 396.5 6.3E+04 2.3E+04 28.1
MINIMUM 22.0 6.0E+02 1.0E+02 20.0
DATE OF MINIMUM 1995-02-21 1994-06-21 1994-08-24 1996-11-11
10TH PERCENTILE 1.2E+03 3.3E+02 21.6
MEDIAN 140.0 2.0E+04 2.0E+03 27.5
90TH PERCENTILE 2.0E+05 2.4E+04 36.6
MAXIMUM 1066.0 2.0E+05 2.0E+05 39.0
DATE OF MAXIMUM 1995-05-16 1994-12-13 1994-12-13 1995-04-18
STANDARD DEVIATION 446.3 8.5E+04 5.5E+04 5.3
STATION - RIO BALSAS STATION NO. 037006
COUNTRY - MEXICO DEPTH(M) 0.9
LOCATION - OCT. 1 LAT. 17/56/30 LONG. 099/35/30 ELEVATION(M) 499.1
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-28 TO 1996-11-11
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID OIL AND
APPARENT COND GREASE
02011 02041 02061 02073 06521
REL.UNIT us/cm deg C JTU mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 5 17 17 1 2
MEAN 64.0 1110. 28.1 96.0 34.
MINIMUM 20.0 130. 23.0
DATE OF MINIMUM 1995-01-26 1996-05-15 1996-11-11
10TH PERCENTILE 136. 24.4
MEDIAN 80.0 953. 28.5
90TH PERCENTILE 1610. 29.9
MAXIMUM 100.0 4570. 31.4
DATE OF MAXIMUM 1995-07-29 1995-09-26 1996-03-27
STANDARD DEVIATION 41.0 1034. 2.0
NO3NO2 O2 BOD COD ALK
DISS TOTAL
07105 08101 08201 08301 10101
mg/L N mg/L O2 mg/L O2 mg/L O2 mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 2 17 13 11 6
MEAN 0.09 6.4 38. 76. 144.50
MINIMUM 4.0 0. 11. 66.00
DATE OF MINIMUM 1994-07-16 1996-05-15 1994-05-13 1994-09-30
10TH PERCENTILE 4.3 1. 11.
MEDIAN 6.3 5. 52. 153.00
90TH PERCENTILE 8.8 34. 138.
MAXIMUM 9.9 390. 288. 193.00
DATE OF MAXIMUM 1996-11-11 1996-03-27 1994-07-16 1994-03-25
STANDARD DEVIATION 1.6 106. 84. 47.52
ALK ACIDITY pH pH SUSP SOL
TOTAL TOTAL 105 DEG
10102 10252 10301 10302 10401
mg/L mg/L pH UNITS pH UNITS mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 9 11 2 6 15
MEAN 145.04 6.53 7.4 7.7 1334.
MINIMUM 26.40 2.22 7.2 12.
DATE OF MINIMUM 1996-07-25 1996-01-24 1996-01-24 1995-01-26
10TH PERCENTILE 2.30 18.
MEDIAN 143.00 4.80 7.8 210.
90TH PERCENTILE 13.96 4498.
MAXIMUM 238.00 17.70 8.1 5523.
DATE OF MAXIMUM 1996-03-27 1996-03-27 1996-11-11 1995-05-24
STANDARD DEVIATION 69.62 5.08 0.3 1987.
RESIDUE RESIDUE FIX SUSP VOL SUSP RESIDUE
FILT TOTAL SOLIDS SOLIDS TOT VOL
10452 10473 10501 10511 10521
mg/L mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 11 11 9 9 11
MEAN 672. 2690. 204. 1128. 1572.
MINIMUM 65. 1008. 5. 7. 18.
DATE OF MINIMUM 1996-05-15 1996-11-11 1995-01-26 1995-01-26 1996-05-15
10TH PERCENTILE 86. 1027. 19.
MEDIAN 628. 2500. 179. 31. 1160.
90TH PERCENTILE 832. 3942. 3504.
MAXIMUM 2330. 6482. 760. 4763. 5066.
DATE OF MAXIMUM 1995-09-26 1995-05-24 1995-05-24 1995-05-24 1995-05-24
STANDARD DEVIATION 602. 1636. 250. 1787. 1611.
RESIDUE HARDNESS PO4-P P ORTHO SULPHATE
FIX TOT TOTAL SOL DISS
10571 10603 15254 15255 16302
mg/L mg/L mg/L PO4 mg/L P mg/L SO4
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 11 4 3 4 3
MEAN 1109. 380.9 0.219 0.088 318.
MINIMUM 96. 198.0 0.000
DATE OF MINIMUM 1996-03-27 1996-01-24 1994-01-28
10TH PERCENTILE 104.
MEDIAN 312. 259.7 0.025
90TH PERCENTILE 2757.
MAXIMUM 3070. 806.0 0.300
DATE OF MAXIMUM 1996-09-19 1995-05-24 1994-09-30
STANDARD DEVIATION 1148. 285.8 0.142
Cl Ca Ca COLIFORM FAEC COL
DISS DISS HARDNESS TOTAL
17201 20101 20106 36001 36011
mg/L Cl mg/L Ca mg/L No/100ml No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 15 6 4 10 14
MEAN 22. 148.000 164.4 1.7E+05 1.1E+05
MINIMUM 2. 36.000 102.0 4.8E+01 0.0E+00
DATE OF MINIMUM 1994-11-10 1994-07-16 1995-07-29 1995-03-22 1994-11-10
10TH PERCENTILE 2. 4.8E+01 4.0E+01
MEDIAN 23. 166.400 164.9 9.2E+04 2.5E+04
90TH PERCENTILE 32. 4.6E+05 3.4E+05
MAXIMUM 56. 254.000 226.0 7.0E+05 4.6E+05
DATE OF MAXIMUM 1994-07-16 1994-05-13 1995-05-24 1995-05-24 1996-09-19
STANDARD DEVIATION 13. 97.261 50.7 2.4E+05 1.6E+05
TEMP-AIR
97060
deg C
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 11
MEAN 35.8
MINIMUM 30.0
DATE OF MINIMUM 1995-05-24
10TH PERCENTILE 30.0
MEDIAN 35.0
90TH PERCENTILE 42.6
MAXIMUM 45.0
DATE OF MAXIMUM 1996-05-15
STANDARD DEVIATION 5.3
STATION - RIO ATOYAC STATION NO. 037007
COUNTRY - MEXICO DEPTH(M) 12.0
LOCATION - OCT. 1 LAT. 18/55/30 LONG. 098/16/30 ELEVATION(M)2100.0
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-13 TO 1996-12-02
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TURBID B B
COND TOTAL DISS
02041 02061 02073 05001 05101
us/cm deg C JTU mg/L B mg/L B
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 34 32 20 4 2
MEAN 1102. 19.7 393.7 0.8 0.2
MINIMUM 545. 15.0 17.0 0.4
DATE OF MINIMUM 1995-06-23 1995-01-17 1995-05-14 1995-07-03
10TH PERCENTILE 628. 17.1 17.5
MEDIAN 1100. 19.0 135.8 0.9
90TH PERCENTILE 1553. 22.0 966.7
MAXIMUM 2171. 24.0 2600.0 1.0
DATE OF MAXIMUM 1995-03-24 1995-05-09 1995-07-03 1995-03-24
STANDARD DEVIATION 373. 1.9 704.6 0.3
BICARB. CARBONAT OIL AND N KJEL NO3NO2
GREASE
06201 06301 06521 07004 07105
mg/LHC03 mg/LHC03 mg/L mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 19 19 23 11 11
MEAN 446. 0. 39. 5.1 0.75
MINIMUM 269. 0. 1. 3.0 0.01
DATE OF MINIMUM 1995-09-15 1995-01-17 1996-02-19 1994-11-03 1994-09-23
10TH PERCENTILE 290. 0. 4. 3.0 0.02
MEDIAN 450. 0. 19. 5.7 0.63
90TH PERCENTILE 570. 0. 55. 7.1 1.51
MAXIMUM 672. 0. 349. 7.3 2.39
DATE OF MAXIMUM 1995-03-24 1996-12-02 1996-11-14 1994-04-26 1994-06-17
STANDARD DEVIATION 114. 0. 71. 1.7 0.75
NO2-N NO3-N ORG. N NH3 O2
DISS DISS
07207 07306 07401 07554 08101
mg/L N mg/L N mg/L N mg/L N mg/L O2
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 23 22 23 34 33
MEAN 0.06 0.26 7.9 10.07 2.5
MINIMUM 0.00 0.01 1.9 2.77 0.0
DATE OF MINIMUM 1996-11-14 1995-03-24 1995-10-17 1995-09-15 1994-03-22
10TH PERCENTILE 0.00 0.01 2.3 3.67 0.0
MEDIAN 0.03 0.09 5.3 10.85 2.5
90TH PERCENTILE 0.15 0.86 12.5 16.69 5.2
MAXIMUM 0.19 1.01 44.9 22.98 8.1
DATE OF MAXIMUM 1995-08-01 1995-05-14 1996-11-14 1995-03-24 1995-06-23
STANDARD DEVIATION 0.06 0.34 8.9 5.39 2.4
BOD COD ALK ALK ALK
TOTAL TOTAL PHENOL
08201 08301 10101 10102 10151
mg/L O2 mg/L O2 mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 34 34 11 23 11
MEAN 53. 183. 327.70 348.77 0.0
MINIMUM 7. 60. 88.14 184.80 0.0
DATE OF MINIMUM 1995-07-03 1996-10-21 1994-12-02 1995-06-23 1995-01-17
10TH PERCENTILE 15. 60. 99.54 214.35 0.0
MEDIAN 35. 136. 298.20 354.90 0.0
90TH PERCENTILE 97. 295. 446.98 463.88 0.0
MAXIMUM 325. 776. 599.83 550.80 0.0
DATE OF MAXIMUM 1996-01-25 1996-01-25 1994-03-22 1995-03-24 1996-06-26
STANDARD DEVIATION 57. 154. 135.42 97.34 0.0
pH pH SUSP SOL RESIDUE RESIDUE
105 DEG FILT TOTAL
10301 10302 10401 10452 10473
pH UNITS pH UNITS mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 18 33 34 23 23
MEAN 7.5 7.3 564. 734. 1465.
MINIMUM 6.6 7.0 14. 361. 726.
DATE OF MINIMUM 1996-03-14 1995-06-23 1994-10-21 1995-06-23 1996-10-21
10TH PERCENTILE 6.9 7.1 51. 392. 789.
MEDIAN 7.5 7.3 244. 771. 1118.
90TH PERCENTILE 7.8 7.5 706. 1026. 1564.
MAXIMUM 8.4 7.6 7680. 1166. 8064.
DATE OF MAXIMUM 1996-07-18 1994-08-09 1995-07-03 1996-04-15 1995-07-03
STANDARD DEVIATION 0.4 0.1 1335. 230. 1504.
FIX SUSP VOL SUSP RESIDUE VOL DISS RESIDUE
SOLIDS SOLIDS TOT VOL SOLIDS FIXED
10501 10511 10521 10531 10551
mg/L mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 23 34 23 23 23
MEAN 609. 117. 244. 125. 609.
MINIMUM 10. 4. 87. 0. 178.
DATE OF MINIMUM 1996-12-02 1995-06-23 1995-06-23 1996-09-19 1995-09-15
10TH PERCENTILE 31. 15. 121. 77. 212.
MEDIAN 190. 73. 215. 117. 625.
90TH PERCENTILE 842. 234. 366. 167. 891.
MAXIMUM 7000. 680. 880. 233. 1036.
DATE OF MAXIMUM 1995-07-03 1995-07-03 1995-07-03 1995-09-15 1996-04-15
STANDARD DEVIATION 1476. 124. 160. 46. 234.
RESIDUE HARDNESS Na Na Mg
FIX TOT TOTAL DISS DISS DISS
10571 10603 11103 11105 12103
mg/L mg/L mg/L Na mg/L Na mg/L Mg
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 23 23 4 13 10
MEAN 1218. 383.6 41. 94. 40.
MINIMUM 582. 179.5 1. 38. 20.
DATE OF MINIMUM 1996-10-21 1995-06-23 1994-01-13 1995-09-15 1994-11-03
10TH PERCENTILE 620. 205.4 39. 20.
MEDIAN 855. 396.0 49. 100. 38.
90TH PERCENTILE 1282. 513.0 135. 49.
MAXIMUM 7184. 723.2 66. 160. 83.
DATE OF MAXIMUM 1995-07-03 1995-04-28 1994-11-03 1995-03-24 1994-03-22
STANDARD DEVIATION 1356. 130.0 28. 35. 17.
PO4-P P ORTHO SULPHATE Cl K
SOL DISS DISS DISS
15254 15255 16302 17201 19103
mg/L PO4 mg/L P mg/L SO4 mg/L Cl mg/L K
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 34 34 27 33 21
MEAN 3.590 2.275 129. 60. 18.7
MINIMUM 1.010 0.580 12. 21. 12.0
DATE OF MINIMUM 1994-07-12 1994-07-12 1996-06-26 1995-06-23 1995-09-15
10TH PERCENTILE 1.792 0.914 66. 29. 12.2
MEDIAN 3.110 1.765 118. 60. 19.0
90TH PERCENTILE 6.232 3.878 198. 92. 23.8
MAXIMUM 9.840 8.380 267. 114. 24.2
DATE OF MAXIMUM 1995-05-09 1995-05-09 1994-01-13 1996-04-15 1995-01-17
STANDARD DEVIATION 2.094 1.560 58. 26. 3.7
Ca Ca Mn Fe Cu
DISS HARDNESS DISS DISS DISS
20101 20106 25104 26102 29106
mg/L Ca mg/L mg/L Mn mg/L Fe mg/L Cu
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 27 23 7 8 1
MEAN 91.247 221.1 1.71 2.78 0.330
MINIMUM 42.620 77.5 0.34 0.26
DATE OF MINIMUM 1995-09-15 1995-06-23 1994-10-21 1994-11-03
10TH PERCENTILE 48.390 108.0
MEDIAN 82.880 207.2 1.14 2.45
90TH PERCENTILE 136.790 334.7
MAXIMUM 145.440 363.6 6.15 5.48
DATE OF MAXIMUM 1996-04-15 1996-04-15 1994-12-02 1994-12-02
STANDARD DEVIATION 33.054 88.3 2.00 2.05
COLIFORM FAEC COL TEMP-AIR INST
TOTAL DISCHG
36001 36011 97060 97160
No/100ml No/100ml deg C m3/S
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 2 0 0 0
NO. OF UNFLAGGED VALUES 32 34 19 2
MEAN 6.0E+06 3.4E+06 23.0 2.0
MINIMUM 1.5E+05 4.0E+04 17.0
DATE OF MINIMUM 1995-09-15 1996-11-14 1995-01-17
10TH PERCENTILE 2.4E+05 1.5E+05 18.8
MEDIAN 2.4E+05 2.4E+05 22.0
90TH PERCENTILE 2.4E+07 1.3E+07 26.3
MAXIMUM 2.9E+07 2.4E+07 29.0
DATE OF MAXIMUM 1994-03-22 1994-12-02 1996-01-25
STANDARD DEVIATION 9.9E+06 7.0E+06 3.3
STATION - RIO BLANCO STATION NO. 037008
COUNTRY - MEXICO DEPTH(M) 1.1
LOCATION - OCT. 1 LAT. 18/44/30 LONG. 096/26/00 ELEVATION(M) 91.0
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-18 TO 1996-12-04
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID OIL AND
APPARENT COND GREASE
02011 02041 02061 02073 06521
REL.UNIT us/cm deg C JTU mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 23 29 26 23 21
MEAN 60.5 429. 25.3 162.9 12.
MINIMUM 15.0 211. 18.0 12.0 0.
DATE OF MINIMUM 1996-10-10 1995-08-23 1995-10-18 1996-11-13 1995-09-30
10TH PERCENTILE 20.6 264. 20.2 23.8 0.
MEDIAN 62.5 400. 25.0 99.0 3.
90TH PERCENTILE 97.5 560. 30.0 302.4 29.
MAXIMUM 187.5 700. 36.0 675.0 78.
DATE OF MAXIMUM 1995-04-19 1995-05-17 1995-05-17 1995-06-18 1995-08-23
STANDARD DEVIATION 36.4 121. 3.8 156.3 18.
NO3NO2 NO2-N NO3-N ORG. N NH3
DISS
07105 07207 07306 07401 07554
mg/L N mg/L N mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 7 22 5 18
MEAN 1.74 0.56 0.73 2.5 2.75
MINIMUM 1.07 0.01 0.03 0.6 0.00
DATE OF MINIMUM 1994-08-24 1995-06-18 1996-04-23 1995-08-23 1996-08-22
10TH PERCENTILE 0.12 0.13
MEDIAN 1.46 0.33 0.44 3.2 1.50
90TH PERCENTILE 1.78 6.20
MAXIMUM 3.56 1.42 2.28 4.2 10.30
DATE OF MAXIMUM 1994-04-27 1995-05-17 1995-11-28 1995-01-11 1996-05-22
STANDARD DEVIATION 0.83 0.52 0.70 1.7 2.87
TOTAL O2 BOD COD ALK
NITROGEN DISS TOTAL
07601 08101 08201 08301 10101
mg/L N mg/L O2 mg/L O2 mg/L O2 mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 4 29 30 29 6
MEAN 5.39 4.1 14. 98. 192.23
MINIMUM 1.01 1.6 1. 20. 151.20
DATE OF MINIMUM 1995-08-23 1995-03-15 1995-01-11 1995-11-28 1994-06-22
10TH PERCENTILE 2.2 2. 38.
MEDIAN 5.27 4.3 11. 57. 196.86
90TH PERCENTILE 5.9 25. 205.
MAXIMUM 10.02 6.9 58. 350. 216.00
DATE OF MAXIMUM 1995-05-17 1996-10-10 1995-02-22 1995-06-18 1994-01-18
STANDARD DEVIATION 4.63 1.5 13. 86. 26.30
ALK ALK ACIDITY pH pH
TOTAL PHENOL TOTAL
10102 10151 10252 10301 10302
mg/L mg/L mg/L pH UNITS pH UNITS
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 23 21 9 12 26
MEAN 192.74 0.2 14.25 7.3 7.4
MINIMUM 108.00 0.0 0.00 6.0 6.6
DATE OF MINIMUM 1996-07-16 1995-01-11 1995-04-19 1995-04-19 1995-10-18
10TH PERCENTILE 120.19 0.0 6.1 6.9
MEDIAN 203.00 0.0 14.26 7.0 7.4
90TH PERCENTILE 241.28 0.0 8.1 7.7
MAXIMUM 259.08 5.2 28.99 8.2 8.4
DATE OF MAXIMUM 1995-03-15 1996-01-23 1995-11-28 1996-01-23 1994-05-31
STANDARD DEVIATION 44.58 1.1 8.68 0.7 0.4
SUSP SOL RESIDUE RESIDUE FIX SUSP VOL SUSP
105 DEG FILT TOTAL SOLIDS SOLIDS
10401 10452 10473 10501 10511
mg/L mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 29 22 19 7 14
MEAN 85. 384. 498. 85. 28.
MINIMUM 4. 86. 112. 2. 2.
DATE OF MINIMUM 1995-12-12 1995-02-22 1995-02-22 1995-05-17 1994-05-31
10TH PERCENTILE 6. 110. 233. 4.
MEDIAN 28. 313. 398. 12. 17.
90TH PERCENTILE 204. 423. 604. 61.
MAXIMUM 544. 2410. 2520. 456. 88.
DATE OF MAXIMUM 1995-08-23 1996-08-22 1996-08-22 1995-08-23 1995-08-23
STANDARD DEVIATION 130. 463. 505. 167. 27.
RESIDUE VOL DISS RESIDUE RESIDUE HARDNESS
TOT VOL SOLIDS FIXED FIX TOT TOTAL
10521 10531 10551 10571 10603
mg/L mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 7 7 7 22
MEAN 106. 72. 217. 302. 204.3
MINIMUM 42. 18. 58. 70. 25.1
DATE OF MINIMUM 1995-02-22 1995-08-23 1995-02-22 1995-02-22 1996-02-20
10TH PERCENTILE 154.8
MEDIAN 120. 86. 246. 304. 208.8
90TH PERCENTILE 258.8
MAXIMUM 136. 130. 366. 536. 316.5
DATE OF MAXIMUM 1995-05-17 1995-05-17 1995-03-15 1995-08-23 1996-04-23
STANDARD DEVIATION 33. 39. 114. 145. 57.0
PO4-P P ORTHO SULPHATE Cl Ca
SOL DISS DISS DISS
15254 15255 16302 17201 20101
mg/L PO4 mg/L P mg/L SO4 mg/L Cl mg/L Ca
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 29 14 28 30 7
MEAN 0.432 0.283 34. 15. 58.129
MINIMUM 0.010 0.010 12. 0. 36.432
DATE OF MINIMUM 1995-09-30 1995-08-23 1995-12-12 1996-07-16 1994-06-22
10TH PERCENTILE 0.045 0.039 14. 3.
MEDIAN 0.408 0.289 35. 16. 50.644
90TH PERCENTILE 0.789 0.449 48. 23.
MAXIMUM 1.095 0.495 51. 30. 80.784
DATE OF MAXIMUM 1995-05-17 1995-03-15 1995-05-17 1996-02-20 1994-05-31
STANDARD DEVIATION 0.308 0.160 12. 7. 17.345
Ca COLIFORM FAEC COL TEMP-AIR
HARDNESS TOTAL
20106 36001 36011 97060
mg/L No/100ml No/100ml deg C
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 7 23 30 20
MEAN 161.1 1.1E+05 3.6E+04 27.5
MINIMUM 77.3 4.0E+03 1.0E+03 19.0
DATE OF MINIMUM 1995-08-23 1994-04-27 1994-01-18 1995-11-28
10TH PERCENTILE 1.6E+04 1.0E+03 20.0
MEDIAN 169.0 7.8E+04 1.1E+04 26.8
90TH PERCENTILE 2.0E+05 1.2E+05 34.0
MAXIMUM 208.0 2.0E+05 2.0E+05 39.0
DATE OF MAXIMUM 1995-05-17 1994-08-24 1996-07-16 1996-05-22
STANDARD DEVIATION 46.3 7.0E+04 6.1E+04 5.9
STATION - LAGO DE CHAPALA STATION NO. 037009
COUNTRY - MEXICO DEPTH(M) 6.0
LOCATION - OCT. 1 LAT. 20/16/20 LONG. 103/02/17 ELEVATION(M)1525.0
REGIONAL CENTRE - AMRA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-20 TO 1996-11-18
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID OIL AND
APPARENT COND GREASE
02011 02041 02061 02073 06521
REL.UNIT us/cm deg C JTU mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 10 23 22 10 9
MEAN 67.5 777. 21.6 26.3 8.
MINIMUM 50.0 55. 17.0 18.0 4.
DATE OF MINIMUM 1996-04-24 1994-02-18 1994-02-17 1996-07-22 1996-03-25
10TH PERCENTILE 50.0 622. 17.3 18.0
MEDIAN 67.5 780. 22.0 26.5 7.
90TH PERCENTILE 80.0 946. 24.0 30.0
MAXIMUM 100.0 980. 28.0 30.0 14.
DATE OF MAXIMUM 1996-09-25 1996-09-25 1994-12-08 1996-09-25 1996-02-19
STANDARD DEVIATION 16.4 191. 2.7 3.5 4.
N KJEL NO3NO2 NO3-N ORG. N NH3
DISS
07004 07105 07306 07401 07554
mg/L N mg/L N mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 13 10 10 21
MEAN 5.8 0.23 0.17 0.9 1.08
MINIMUM 1.5 0.13 0.01 0.3 0.01
DATE OF MINIMUM 1994-01-20 1994-01-20 1996-08-27 1996-05-23 1996-05-23
10TH PERCENTILE 1.5 0.15 0.01 0.3 0.01
MEDIAN 2.5 0.22 0.14 1.0 0.52
90TH PERCENTILE 4.3 0.27 0.24 1.2 2.97
MAXIMUM 41.0 0.43 0.53 1.4 3.63
DATE OF MAXIMUM 1994-02-17 1994-02-17 1996-03-25 1996-04-24 1994-02-18
STANDARD DEVIATION 11.1 0.07 0.14 0.4 1.22
O2 BOD COD ALK ALK
DISS TOTAL TOTAL
08101 08201 08301 10101 10102
mg/L O2 mg/L O2 mg/L O2 mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 23 23 23 11 10
MEAN 6.7 2. 32. 296.36 306.00
MINIMUM 0.9 1. 8. 237.00 261.00
DATE OF MINIMUM 1994-12-08 1994-02-18 1994-09-22 1994-01-20 1996-04-24
10TH PERCENTILE 5.5 1. 12. 238.10 261.00
MEDIAN 6.9 1. 31. 287.00 312.00
90TH PERCENTILE 7.7 4. 45. 342.30 332.00
MAXIMUM 11.8 4. 69. 365.00 364.00
DATE OF MAXIMUM 1994-01-20 1996-06-19 1994-07-13 1994-05-21 1996-07-22
STANDARD DEVIATION 1.8 1. 13. 42.01 32.52
ALK pH SUSP SOL RESIDUE RESIDUE
PHENOL 105 DEG FILT TOTAL
10151 10302 10401 10452 10473
mg/L pH UNITS mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 10 23 23 10 10
MEAN 32.6 8.7 31. 614. 639.
MINIMUM 18.0 8.3 10. 470. 480.
DATE OF MINIMUM 1996-03-25 1994-03-17 1994-07-13 1996-11-18 1996-11-18
10TH PERCENTILE 18.0 8.4 11. 470. 480.
MEDIAN 26.5 8.7 26. 616. 641.
90TH PERCENTILE 52.0 8.9 51. 648. 674.
MAXIMUM 60.0 9.0 86. 814. 850.
DATE OF MAXIMUM 1996-06-19 1996-05-23 1994-02-17 1996-06-19 1996-06-19
STANDARD DEVIATION 14.6 0.2 20. 87. 94.
FIX SUSP VOL SUSP RESIDUE VOL DISS RESIDUE
SOLIDS SOLIDS TOT VOL SOLIDS FIXED
10501 10511 10521 10531 10551
mg/L mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 10 23 10 10 10
MEAN 15. 13. 141. 147. 477.
MINIMUM 6. 2. 72. 64. 402.
DATE OF MINIMUM 1996-11-18 1996-10-24 1996-11-18 1996-07-22 1996-11-18
10TH PERCENTILE 6. 3. 72. 64. 402.
MEDIAN 14. 10. 127. 146. 487.
90TH PERCENTILE 23. 27. 158. 182. 518.
MAXIMUM 26. 42. 336. 326. 556.
DATE OF MAXIMUM 1996-06-19 1996-07-22 1996-06-19 1996-06-19 1996-07-22
STANDARD DEVIATION 6. 11. 74. 75. 48.
RESIDUE HARDNESS PO4-P P ORTHO SULPHATE
FIX TOT TOTAL SOL DISS
10571 10603 15254 15255 16302
mg/L mg/L mg/L PO4 mg/L P mg/L SO4
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 10 10 22 22 23
MEAN 492. 227.0 0.567 0.401 89.
MINIMUM 408. 184.0 0.140 0.100 8.
DATE OF MINIMUM 1996-11-18 1996-07-22 1994-03-17 1994-03-17 1994-09-22
10TH PERCENTILE 408. 184.0 0.332 0.226 67.
MEDIAN 507. 231.5 0.480 0.330 83.
90TH PERCENTILE 534. 242.0 0.916 0.546 122.
MAXIMUM 568. 243.0 1.870 1.150 192.
DATE OF MAXIMUM 1996-07-22 1996-08-27 1996-06-19 1996-06-19 1994-01-20
STANDARD DEVIATION 51. 17.0 0.349 0.220 33.
Cl Ca Ca COLIFORM FAEC COL
DISS DISS HARDNESS TOTAL
17201 20101 20106 36001 36011
mg/L Cl mg/L Ca mg/L No/100ml No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 11 13 10 19 22
MEAN 43. 43.908 191.1 7.1E+04 6601.
MINIMUM 37. 4.800 169.0 0.0E+00 0.
DATE OF MINIMUM 1994-02-18 1994-03-17 1996-10-24 1994-06-17 1994-06-17
10TH PERCENTILE 37. 15.120 169.0 0.0E+00 0.
MEDIAN 43. 46.800 192.0 1.4E+02 4.
90TH PERCENTILE 46. 51.840 204.0 1.0E+05 12014.
MAXIMUM 47. 58.400 223.0 9.0E+05 90000.
DATE OF MAXIMUM 1996-05-23 1994-07-13 1996-08-27 1996-09-25 1996-09-25
STANDARD DEVIATION 3. 12.827 15.7 2.0E+05 20663.
PHENOLS
95011
ug/L
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 4
MEAN 5.5
MINIMUM 1.0
DATE OF MINIMUM 1996-05-23
10TH PERCENTILE
MEDIAN 3.5
90TH PERCENTILE
MAXIMUM 14.0
DATE OF MAXIMUM 1996-03-25
STANDARD DEVIATION 5.9
STATION - PRESA DE LA AMISTAD STATION NO. 037010
COUNTRY - MEXICO DEPTH(M) 32.0
LOCATION - OCT. 1 LAT. 29/25/25 LONG. 101/02/20 ELEVATION(M) 316.0
REGIONAL CENTRE - AMRA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-28 TO 1996-11-28
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID OIL AND
APPARENT COND GREASE
02011 02041 02061 02073 06521
REL.UNIT us/cm deg C JTU mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 17 15 12 5
MEAN 5.4 1139. 22.4 4.0 23.
MINIMUM 5.0 825. 11.0 2.0 0.
DATE OF MINIMUM 1995-02-24 1994-01-28 1994-01-28 1995-06-14 1996-02-22
10TH PERCENTILE 5.0 840. 13.0 2.0
MEDIAN 5.0 1174. 22.8 3.0 10.
90TH PERCENTILE 5.0 1261. 30.9 6.7
MAXIMUM 10.0 1292. 32.8 9.0 90.
DATE OF MAXIMUM 1995-10-04 1995-06-14 1996-08-12 1996-06-21 1996-04-24
STANDARD DEVIATION 1.4 135. 6.5 2.3 38.
NO3NO2 NO2-N NO3-N ORG. N NH3
DISS
07105 07207 07306 07401 07554
mg/L N mg/L N mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 3 1 10 10 13
MEAN 0.54 0.31 0.48 0.9 0.70
MINIMUM 0.13 0.3 0.22
DATE OF MINIMUM 1996-10-23 1995-06-14 1995-10-04
10TH PERCENTILE 0.13 0.3 0.26
MEDIAN 0.44 1.0 0.62
90TH PERCENTILE 0.77 1.2 1.04
MAXIMUM 0.90 1.5 2.00
DATE OF MAXIMUM 1996-06-21 1996-06-21 1996-02-22
STANDARD DEVIATION 0.24 0.4 0.47
O2 BOD COD ALK ALK
DISS TOTAL PHENOL
08101 08201 08301 10102 10151
mg/L O2 mg/L O2 mg/L O2 mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 14 16 16 17 12
MEAN 8.3 12. 33. 125.31 0.4
MINIMUM 6.0 0. 4. 95.00 0.0
DATE OF MINIMUM 1994-03-17 1995-02-24 1996-10-23 1995-11-23 1995-02-24
10TH PERCENTILE 6.3 1. 4. 102.00 0.0
MEDIAN 8.2 6. 26. 120.00 0.0
90TH PERCENTILE 10.5 28. 68. 150.00 0.0
MAXIMUM 11.5 29. 118. 180.00 5.0
DATE OF MAXIMUM 1995-02-24 1995-08-16 1995-02-24 1995-10-04 1996-04-24
STANDARD DEVIATION 1.6 11. 32. 21.23 1.4
ACIDITY pH pH SUSP SOL RESIDUE
TOTAL 105 DEG FILT
10252 10301 10302 10401 10452
mg/L pH UNITS pH UNITS mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 9 9 16 16 12
MEAN 0.00 6.9 8.1 16. 783.
MINIMUM 0.00 5.2 7.8 2. 694.
DATE OF MINIMUM 1995-02-24 1996-02-22 1994-01-28 1994-09-20 1996-11-28
10TH PERCENTILE 7.8 2. 705.
MEDIAN 0.00 7.0 8.1 11. 757.
90TH PERCENTILE 8.5 26. 841.
MAXIMUM 0.00 8.4 8.6 82. 880.
DATE OF MAXIMUM 1996-11-28 1995-11-23 1995-06-14 1994-01-28 1996-08-12
STANDARD DEVIATION 0.00 0.8 0.3 19. 53.
RESIDUE FIX SUSP VOL SUSP RESIDUE VOL DISS
TOTAL SOLIDS SOLIDS TOT VOL SOLIDS
10473 10501 10511 10521 10531
mg/L mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 12 16 12 12
MEAN 793. 6. 15. 77. 73.
MINIMUM 707. 1. 1. 11. 10.
DATE OF MINIMUM 1996-11-28 1995-06-14 1995-06-14 1996-10-23 1996-10-23
10TH PERCENTILE 717. 1. 1. 15. 12.
MEDIAN 774. 5. 4. 72. 69.
90TH PERCENTILE 845. 11. 50. 121. 111.
MAXIMUM 895. 14. 73. 162. 157.
DATE OF MAXIMUM 1996-08-12 1995-11-23 1994-05-14 1996-02-22 1996-02-22
STANDARD DEVIATION 52. 4. 24. 43. 42.
RESIDUE RESIDUE HARDNESS SULPHATE Cl
FIXED FIX TOT TOTAL DISS
10551 10571 10603 16302 17201
mg/L mg/L mg/L mg/L SO4 mg/L Cl
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 12 12 17 17
MEAN 710. 716. 306.1 227. 165.
MINIMUM 630. 639. 255.0 2. 93.
DATE OF MINIMUM 1996-11-28 1996-11-28 1995-04-20 1996-08-12 1994-09-20
10TH PERCENTILE 632. 640. 256.0 84. 118.
MEDIAN 708. 715. 294.6 244. 170.
90TH PERCENTILE 792. 796. 370.0 318. 194.
MAXIMUM 812. 823. 395.0 342. 230.
DATE OF MAXIMUM 1996-08-12 1996-08-12 1995-10-04 1995-06-14 1995-10-04
STANDARD DEVIATION 63. 63. 46.9 93. 31.
Ca Ca COLIFORM FAEC COL PHENOLS
DISS HARDNESS TOTAL
20101 20106 36001 36011 95011
mg/L Ca mg/L No/100ml No/100ml ug/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 5 12 13 13 1
MEAN 61.680 193.1 50. 34. 0.0
MINIMUM 56.680 111.7 0. 0.
DATE OF MINIMUM 1994-01-28 1996-04-24 1994-01-28 1994-01-28
10TH PERCENTILE 123.0 0. 0.
MEDIAN 57.120 187.7 15. 9.
90TH PERCENTILE 237.0 93. 72.
MAXIMUM 80.320 276.6 240. 240.
DATE OF MAXIMUM 1994-09-20 1995-06-14 1994-09-20 1994-09-20
STANDARD DEVIATION 10.427 41.0 68. 67.
TEMP-AIR
97060
deg C
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 12
MEAN 26.2
MINIMUM 14.4
DATE OF MINIMUM 1996-11-28
10TH PERCENTILE 14.7
MEDIAN 25.9
90TH PERCENTILE 34.8
MAXIMUM 38.3
DATE OF MAXIMUM 1996-08-12
STANDARD DEVIATION 7.4
STATION - POZO HACIENDA TAHDZIBICHEN STATION NO. 037011
COUNTRY - MEXICO DEPTH(M) 9999.9
LOCATION - OCT. 0 LAT. 20/27/50 LONG. 089/37/30 ELEVATION(M) 1.5
REGIONAL CENTRE - AMRA WATER TYPE GROUNDWATER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-26 TO 1996-12-09
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TURBID BICARB. NO3NO2
COND
02041 02061 02073 06201 07105
us/cm deg C JTU mg/LHC03 mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 32 33 21 7 12
MEAN 1202. 28.0 5.4 445. 6.68
MINIMUM 920. 25.0 0.1 365. 4.53
DATE OF MINIMUM 1995-05-29 1996-01-17 1996-11-26 1995-07-26 1994-03-28
10TH PERCENTILE 1000. 26.0 0.6 4.61
MEDIAN 1198. 28.0 5.0 446. 5.64
90TH PERCENTILE 1320. 29.0 6.0 7.86
MAXIMUM 1592. 34.0 14.0 509. 14.80
DATE OF MAXIMUM 1996-11-26 1994-07-27 1996-08-20 1995-05-29 1994-08-16
STANDARD DEVIATION 149. 1.9 2.6 60. 2.74
NO2-N NO3-N ORG. N NH3 O2
DISS DISS
07207 07306 07401 07554 08101
mg/L N mg/L N mg/L N mg/L N mg/L O2
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 21 21 5 5 27
MEAN 0.01 5.85 0.3 0.00 4.8
MINIMUM 0.00 4.47 0.1 0.00 3.7
DATE OF MINIMUM 1995-12-07 1995-02-15 1996-12-09 1996-07-22 1995-03-02
10TH PERCENTILE 0.01 4.66 4.1
MEDIAN 0.01 5.43 0.4 0.00 4.7
90TH PERCENTILE 0.01 7.30 5.7
MAXIMUM 0.02 9.38 0.6 0.00 5.9
DATE OF MAXIMUM 1996-06-25 1995-11-07 1996-08-20 1996-12-09 1994-01-26
STANDARD DEVIATION 0.00 1.21 0.2 0.00 0.6
BOD COD ALK ALK ALK
TOTAL TOTAL PHENOL
08201 08301 10101 10102 10151
mg/L O2 mg/L O2 mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 33 29 12 21 21
MEAN 3. 17. 336.90 347.25 0.0
MINIMUM 0. 0. 320.00 299.00 0.0
DATE OF MINIMUM 1994-09-28 1994-09-28 1994-04-18 1995-07-26 1995-01-30
10TH PERCENTILE 0. 3. 320.00 314.05 0.0
MEDIAN 2. 16. 333.90 341.04 0.0
90TH PERCENTILE 7. 32. 346.50 403.50 0.0
MAXIMUM 10. 54. 385.00 417.00 0.0
DATE OF MAXIMUM 1995-09-04 1994-06-24 1994-07-27 1995-05-29 1996-12-09
STANDARD DEVIATION 3. 13. 17.86 32.47 0.0
pH pH SUSP SOL RESIDUE RESIDUE
105 DEG FILT TOTAL
10301 10302 10401 10452 10473
pH UNITS pH UNITS mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 1 33 30 2 20
MEAN 7.2 7.1 3. 802. 801.
MINIMUM 6.5 0. 742.
DATE OF MINIMUM 1996-12-09 1994-03-28 1995-02-15
10TH PERCENTILE 6.7 0. 744.
MEDIAN 7.0 2. 797.
90TH PERCENTILE 7.5 7. 848.
MAXIMUM 7.9 10. 858.
DATE OF MAXIMUM 1996-05-29 1996-10-21 1996-03-26
STANDARD DEVIATION 0.4 3. 35.
HARDNESS PO4-P SULPHATE Cl Ca
TOTAL SOL DISS DISS
10603 15254 16302 17201 20101
mg/L mg/L PO4 mg/L SO4 mg/L Cl mg/L Ca
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 21 4 33 33 12
MEAN 434.6 0.016 35. 192. 110.167
MINIMUM 392.0 0.010 22. 127. 96.000
DATE OF MINIMUM 1995-12-07 1996-08-20 1996-11-26 1994-04-18 1994-04-18
10TH PERCENTILE 398.9 29. 174. 96.800
MEDIAN 431.0 0.014 35. 193. 112.000
90TH PERCENTILE 450.9 39. 210. 118.800
MAXIMUM 500.0 0.027 61. 218. 120.000
DATE OF MAXIMUM 1995-06-28 1996-11-26 1994-08-16 1996-05-29 1994-09-28
STANDARD DEVIATION 26.4 0.008 6. 17. 7.457
Ca COLIFORM FAEC COL TEMP-AIR
HARDNESS TOTAL
20106 36001 36011 97060
mg/L No/100ml No/100ml deg C
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 21 31 31 21
MEAN 272.6 7049. 6118. 32.9
MINIMUM 172.3 21. 7. 28.0
DATE OF MINIMUM 1996-07-22 1994-07-27 1996-11-26 1996-02-13
10TH PERCENTILE 228.8 76. 25. 29.0
MEDIAN 269.1 1100. 460. 33.0
90TH PERCENTILE 323.0 24000. 24000. 36.0
MAXIMUM 358.0 24000. 24000. 38.0
DATE OF MAXIMUM 1995-06-28 1994-06-24 1994-06-24 1995-05-29
STANDARD DEVIATION 39.3 10234. 9891. 2.7
STATION - POZO EN AGUASCALIENTES STATION NO. 037012
COUNTRY - MEXICO DEPTH(M) 120.0
LOCATION - OCT. 1 LAT. 21/53/00 LONG. 103/18/00 ELEVATION(M)1850.0
REGIONAL CENTRE - AMRA WATER TYPE GROUNDWATER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-10 TO 1996-08-19
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID B
APPARENT COND TOTAL
02011 02041 02061 02073 05001
REL.UNIT us/cm deg C JTU mg/L B
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 5 9 9 6 1
MEAN 3.4 835. 29.5 0.5 0.4
MINIMUM 1.0 666. 26.0 0.1
DATE OF MINIMUM 1996-04-22 1995-01-09 1996-04-22 1995-01-09
10TH PERCENTILE
MEDIAN 5.0 784. 30.0 0.1
90TH PERCENTILE
MAXIMUM 5.0 1210. 33.0 2.0
DATE OF MAXIMUM 1996-01-15 1994-01-10 1996-08-19 1995-08-14
STANDARD DEVIATION 2.2 158. 2.2 0.8
NO3NO2 NO3-N NH3 BOD F
DISS
07105 07306 07554 08201 09104
mg/L N mg/L N mg/L N mg/L O2 mg/L F
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 3 5 8 9 5
MEAN 2.85 2.23 0.15 1. 2.7
MINIMUM 0.18 0.05 0. 1.9
DATE OF MINIMUM 1996-01-15 1995-01-09 1994-01-10 1996-01-15
10TH PERCENTILE
MEDIAN 3.09 0.15 0. 2.4
90TH PERCENTILE
MAXIMUM 3.75 0.29 2. 4.1
DATE OF MAXIMUM 1995-01-09 1996-04-22 1995-08-14 1996-08-19
STANDARD DEVIATION 1.59 0.09 1. 0.9
ALK ALK pH pH SUSP SOL
TOTAL TOTAL 105 DEG
10101 10102 10301 10302 10401
mg/L mg/L pH UNITS pH UNITS mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 3 6 6 8 9
MEAN 324.67 365.67 7.0 7.4 6.
MINIMUM 351.00 7.0 6.9 1.
DATE OF MINIMUM 1996-08-19 1995-01-09 1996-08-19 1994-04-25
10TH PERCENTILE
MEDIAN 362.00 7.0 7.4 5.
90TH PERCENTILE
MAXIMUM 384.00 7.0 8.0 14.
DATE OF MAXIMUM 1996-01-15 1996-08-19 1995-01-09 1996-01-15
STANDARD DEVIATION 14.94 0.0 0.4 5.
RESIDUE RESIDUE HARDNESS Na PO4-P
FILT TOTAL TOTAL DISS SOL
10452 10473 10603 11103 15254
mg/L mg/L mg/L mg/L Na mg/L PO4
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 6 6 6 1 9
MEAN 614. 622. 188.5 20. 0.020
MINIMUM 586. 592. 181.0 0.020
DATE OF MINIMUM 1995-04-24 1996-08-19 1995-08-14 1994-01-10
10TH PERCENTILE
MEDIAN 614. 623. 183.5 0.020
90TH PERCENTILE
MAXIMUM 646. 660. 201.0 0.020
DATE OF MAXIMUM 1995-01-09 1995-01-09 1996-08-19 1996-08-19
STANDARD DEVIATION 24. 28. 9.0 0.000
SULPHATE Cl K Ca Ca
DISS DISS DISS HARDNESS
16302 17201 19103 20101 20106
mg/L SO4 mg/L Cl mg/L K mg/L Ca mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 8 9 1 3 6
MEAN 63. 21. 4.2 65.333 171.8
MINIMUM 52. 19. 164.0
DATE OF MINIMUM 1994-01-10 1995-01-09 1995-04-24
10TH PERCENTILE
MEDIAN 64. 21. 169.0
90TH PERCENTILE
MAXIMUM 71. 24. 186.0
DATE OF MAXIMUM 1996-08-19 1996-08-19 1996-08-19
STANDARD DEVIATION 7. 2. 8.3
COLIFORM FAEC COL TEMP-AIR
TOTAL
36001 36011 97060
No/100ml No/100ml deg C
NO. OF L-FLAGGED VALUES 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 8 8 6
MEAN 4. 3. 24.8
MINIMUM 3. 3. 22.0
DATE OF MINIMUM 1994-01-10 1994-01-10 1995-04-24
10TH PERCENTILE
MEDIAN 3. 3. 25.5
90TH PERCENTILE
MAXIMUM 9. 4. 27.0
DATE OF MAXIMUM 1994-04-25 1994-04-25 1996-04-22
STANDARD DEVIATION 2. 0. 1.9
STATION - POZO EN LA REGION LAGUNERA STATION NO. 037013
COUNTRY - MEXICO DEPTH(M) 200.0
LOCATION - OCT. 1 LAT. 25/26/00 LONG. 103/00/00 ELEVATION(M)1100.0
REGIONAL CENTRE - AMRA WATER TYPE GROUNDWATER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1995-08-29 TO 1996-11-18
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP BICARB. CARBONAT
APPARENT COND
02011 02041 02061 06201 06301
REL.UNIT us/cm deg C mg/LHC03 mg/LHC03
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 4 13 1 13 13
MEAN 3.0 1647. 28.0 259. 3.
MINIMUM 3.0 1510. 190. 0.
DATE OF MINIMUM 1996-07-24 1995-11-10 1996-07-24 1995-08-29
10TH PERCENTILE 1537. 206. 0.
MEDIAN 3.0 1659. 259. 0.
90TH PERCENTILE 1687. 285. 9.
MAXIMUM 3.0 1710. 293. 10.
DATE OF MAXIMUM 1996-11-18 1996-11-18 1995-12-06 1996-09-19
STANDARD DEVIATION 0.0 51. 25. 4.
ALK ALK pH pH RESIDUE
TOTAL PHENOL FILT
10102 10151 10301 10302 10452
mg/L mg/L pH UNITS pH UNITS mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 13 13 1 12 13
MEAN 217.85 5.4 7.3 7.3 1054.
MINIMUM 166.00 0.0 6.9 966.
DATE OF MINIMUM 1996-07-24 1995-08-29 1995-10-10 1995-11-10
10TH PERCENTILE 178.60 0.0 6.9 983.
MEDIAN 220.00 0.0 7.3 1061.
90TH PERCENTILE 233.60 14.8 7.5 1080.
MAXIMUM 240.00 16.0 7.6 1094.
DATE OF MAXIMUM 1995-12-06 1996-09-19 1996-01-24 1996-11-18
STANDARD DEVIATION 18.03 6.7 0.2 32.
HARDNESS Na SULPHATE Cl Ca
TOTAL DISS DISS DISS
10603 11105 16302 17201 20101
mg/L mg/L Na mg/L SO4 mg/L Cl mg/L Ca
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 13 1 13 13 13
MEAN 515.5 6. 463. 96. 130.583
MINIMUM 470.0 439. 31. 108.220
DATE OF MINIMUM 1996-07-24 1996-09-19 1996-01-24 1996-07-24
10TH PERCENTILE 479.0 440. 48. 111.826
MEDIAN 512.5 459. 94. 132.260
90TH PERCENTILE 545.5 481. 124. 136.270
MAXIMUM 555.0 508. 150. 140.280
DATE OF MAXIMUM 1996-03-21 1996-07-24 1996-06-19 1995-08-29
STANDARD DEVIATION 22.7 20. 27. 8.565
Ca TEMP-AIR
HARDNESS
20106 97060
mg/L deg C
NO. OF L-FLAGGED VALUES 0 0
NO. OF G-FLAGGED VALUES 0 0
NO. OF UNFLAGGED VALUES 13 1
MEAN 326.2 30.0
MINIMUM 271.0
DATE OF MINIMUM 1996-07-24
10TH PERCENTILE 279.7
MEDIAN 330.0
90TH PERCENTILE 340.0
MAXIMUM 351.0
DATE OF MAXIMUM 1995-08-29
STANDARD DEVIATION 21.2
STATION - RIO LERMA STATION NO. 037014
COUNTRY - MEXICO DEPTH(M) 9999.9
LOCATION - OCT. 1 LAT. 20/34/00 LONG. 101/12/00 ELEVATION(M)9999.9
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-02-01 TO 1996-11-04
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID B
APPARENT COND TOTAL
02011 02041 02061 02073 05001
REL.UNIT us/cm deg C JTU mg/L B
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 11 6 8 4
MEAN 260.7 1144. 23.7 43.2 0.8
MINIMUM 25.0 493. 17.0 10.5 0.1
DATE OF MINIMUM 1995-05-18 1996-08-29 1994-02-01 1995-11-14 1995-09-07
10TH PERCENTILE 500.
MEDIAN 250.0 920. 24.5 26.4 0.5
90TH PERCENTILE 1971.
MAXIMUM 500.0 2613. 27.0 150.0 1.9
DATE OF MAXIMUM 1996-08-29 1996-05-06 1994-07-07 1996-08-29 1995-11-14
STANDARD DEVIATION 195.7 670. 3.6 47.5 0.8
OIL AND N KJEL NO3NO2 NO2-N NO3-N
GREASE
06521 07004 07105 07207 07306
mg/L mg/L N mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 8 4 4 7 8
MEAN 6. 3.2 0.98 0.63 1.81
MINIMUM 2. 0.9 0.10 0.00 0.10
DATE OF MINIMUM 1995-11-14 1994-02-01 1994-07-07 1996-11-04 1996-11-04
10TH PERCENTILE
MEDIAN 3. 3.3 0.90 0.17 1.08
90TH PERCENTILE
MAXIMUM 13. 5.6 2.02 1.91 5.10
DATE OF MAXIMUM 1996-11-04 1994-10-18 1994-02-01 1995-11-14 1996-02-19
STANDARD DEVIATION 5. 2.0 0.82 0.75 1.92
ORG. N NH3 O2 BOD COD
DISS DISS
07401 07554 08101 08201 08301
mg/L N mg/L N mg/L O2 mg/L O2 mg/L O2
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 8 12 12 11 12
MEAN 2.8 15.90 1.3 23. 107.
MINIMUM 1.5 4.69 0.1 7. 47.
DATE OF MINIMUM 1995-05-18 1996-02-19 1994-07-07 1995-05-18 1994-04-11
10TH PERCENTILE 4.70 0.1 7. 47.
MEDIAN 2.7 8.07 1.2 25. 92.
90TH PERCENTILE 27.55 2.8 42. 186.
MAXIMUM 4.6 59.80 2.9 47. 218.
DATE OF MAXIMUM 1996-05-06 1996-11-04 1995-11-14 1996-02-19 1996-11-04
STANDARD DEVIATION 1.1 16.19 1.0 15. 61.
ALK ALK pH pH SUSP SOL
TOTAL TOTAL 105 DEG
10101 10102 10301 10302 10401
mg/L mg/L pH UNITS pH UNITS mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 4 6 7 12 12
MEAN 8.01 274.17 7.0 7.9 90.
MINIMUM 7.60 130.00 7.0 7.0 2.
DATE OF MINIMUM 1994-02-01 1996-08-29 1995-02-13 1996-08-29 1994-04-11
10TH PERCENTILE 7.1 3.
MEDIAN 8.07 233.00 7.0 7.9 48.
90TH PERCENTILE 8.3 168.
MAXIMUM 8.30 520.00 7.0 8.4 410.
DATE OF MAXIMUM 1994-10-18 1996-11-04 1996-11-04 1996-11-04 1996-08-29
STANDARD DEVIATION 0.30 142.31 0.0 0.4 116.
RESIDUE RESIDUE HARDNESS Na PO4-P
FILT TOTAL TOTAL DISS SOL
10452 10473 10603 11105 15254
mg/L mg/L mg/L mg/L Na mg/L PO4
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 8 8 8 6 11
MEAN 866. 877. 174.0 165. 49.780
MINIMUM 5. 2. 104.0 3. 0.105
DATE OF MINIMUM 1995-05-18 1996-11-04 1996-08-29 1995-09-07 1995-05-18
10TH PERCENTILE 0.160
MEDIAN 651. 707. 144.5 39. 2.150
90TH PERCENTILE 4.883
MAXIMUM 1771. 1786. 337.0 561. 525.000
DATE OF MAXIMUM 1996-05-06 1996-05-06 1996-05-06 1996-05-06 1996-02-19
STANDARD DEVIATION 580. 560. 74.9 233. 157.620
P ORTHO SULPHATE Cl Ca Ca
DISS DISS DISS HARDNESS
15255 16302 17201 20101 20106
mg/L P mg/L SO4 mg/L Cl mg/L Ca mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 10 12 11 10 8
MEAN 1.383 244. 62. 32.482 102.2
MINIMUM 0.013 14. 8. 1.850 69.6
DATE OF MINIMUM 1994-02-01 1994-02-01 1996-11-04 1995-09-07 1996-08-29
10TH PERCENTILE 0.013 30. 8. 1.850
MEDIAN 1.125 145. 39. 32.180 96.1
90TH PERCENTILE 3.090 482. 149. 48.000
MAXIMUM 4.010 738. 194. 64.128 158.0
DATE OF MAXIMUM 1994-10-18 1996-05-06 1996-05-06 1996-05-06 1996-05-06
STANDARD DEVIATION 1.315 213. 60. 19.218 25.7
COLIFORM FAEC COL TEMP-AIR INST
TOTAL DISCHG
36001 36011 97060 97160
No/100ml No/100ml deg C m3/S
NO. OF L-FLAGGED VALUES 0 0 0 0
NO. OF G-FLAGGED VALUES 1 1 0 0
NO. OF UNFLAGGED VALUES 11 11 6 1
MEAN 1.3E+06 1.1E+06 24.7 4.0
MINIMUM 4.0E+03 0.0E+00 23.0
DATE OF MINIMUM 1995-09-07 1994-02-01 1996-02-19
10TH PERCENTILE 7.2E+03 4.8E+03
MEDIAN 2.4E+05 2.0E+05 24.5
90TH PERCENTILE 2.4E+06 9.3E+05
MAXIMUM 1.0E+07 1.0E+07 26.0
DATE OF MAXIMUM 1994-07-07 1994-07-07 1996-11-04
STANDARD DEVIATION 2.9E+06 2.8E+06 1.2
STATION - RIO USUMACINTA STATION NO. 037015
COUNTRY - MEXICO DEPTH(M) 24.0
LOCATION - OCT. 1 LAT. 17/51/40 LONG. 092/47/10 ELEVATION(M)9999.9
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-25 TO 1996-12-11
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID OIL AND
APPARENT COND GREASE
02011 02041 02061 02073 06521
REL.UNIT us/cm deg C JTU mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 2 21 21 10 10
MEAN 15.0 527. 28.1 27.7 3.
MINIMUM 376. 24.0 7.0 1.
DATE OF MINIMUM 1996-06-27 1994-01-25 1995-01-10 1996-05-30
10TH PERCENTILE 393. 24.1 7.0 1.
MEDIAN 500. 28.0 22.5 2.
90TH PERCENTILE 700. 30.0 48.0 4.
MAXIMUM 750. 35.0 60.0 7.
DATE OF MAXIMUM 1994-05-30 1994-05-30 1996-07-25 1996-11-29
STANDARD DEVIATION 119. 2.8 16.8 2.
NO3NO2 NO3-N NH3 O2 BOD
DISS
07105 07306 07554 08101 08201
mg/L N mg/L N mg/L N mg/L O2 mg/L O2
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 6 13 22 21
MEAN 0.07 1.85 0.00 7.6 3.
MINIMUM 0.02 0.03 0.00 3.0 1.
DATE OF MINIMUM 1994-06-23 1995-01-10 1994-02-22 1996-10-28 1996-09-28
10TH PERCENTILE 0.02 0.00 6.0 2.
MEDIAN 0.05 2.00 0.00 8.0 2.
90TH PERCENTILE 0.12 0.00 8.8 4.
MAXIMUM 0.22 3.00 0.01 12.0 5.
DATE OF MAXIMUM 1994-08-23 1996-12-11 1995-01-10 1994-10-27 1994-09-21
STANDARD DEVIATION 0.06 1.19 0.00 1.7 1.
COD ALK ALK ALK ACIDITY
TOTAL TOTAL PHENOL TOTAL
08301 10101 10102 10151 10252
mg/L O2 mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 22 12 10 1 1
MEAN 16. 138.17 139.30 0.0 0.00
MINIMUM 4. 114.00 104.00
DATE OF MINIMUM 1996-09-28 1994-01-25 1996-05-30
10TH PERCENTILE 5. 114.00 104.00
MEDIAN 14. 144.50 140.50
90TH PERCENTILE 26. 157.00 160.00
MAXIMUM 38. 160.00 163.00
DATE OF MAXIMUM 1994-02-22 1994-06-23 1995-01-10
STANDARD DEVIATION 9. 18.40 17.15
pH SUSP SOL RESIDUE VOL SUSP RESIDUE
105 DEG TOTAL SOLIDS TOT VOL
10302 10401 10473 10511 10521
pH UNITS mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 22 22 10 22 10
MEAN 8.2 77. 455. 18. 87.
MINIMUM 7.3 14. 324. 4. 44.
DATE OF MINIMUM 1996-05-30 1994-04-19 1996-11-29 1996-10-28 1996-04-25
10TH PERCENTILE 7.6 18. 324. 6. 44.
MEDIAN 8.1 50. 428. 15. 65.
90TH PERCENTILE 8.8 183. 570. 27. 136.
MAXIMUM 8.9 236. 632. 58. 150.
DATE OF MAXIMUM 1994-06-23 1994-08-23 1995-01-10 1994-08-23 1995-01-10
STANDARD DEVIATION 0.4 66. 98. 13. 42.
HARDNESS PO4-P P ORTHO SULPHATE Cl
TOTAL SOL DISS DISS
10603 15254 15255 16302 17201
mg/L mg/L PO4 mg/L P mg/L SO4 mg/L Cl
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 10 22 22 22 22
MEAN 250.6 0.063 0.027 153. 11.
MINIMUM 192.0 0.000 0.000 41. 3.
DATE OF MINIMUM 1996-05-30 1994-10-27 1994-10-27 1996-05-30 1996-11-29
10TH PERCENTILE 192.0 0.003 0.000 56. 4.
MEDIAN 243.5 0.038 0.019 118. 9.
90TH PERCENTILE 278.0 0.136 0.068 212. 12.
MAXIMUM 384.0 0.230 0.120 769. 39.
DATE OF MAXIMUM 1995-01-10 1996-05-30 1996-06-27 1996-04-25 1996-10-28
STANDARD DEVIATION 56.6 0.062 0.030 149. 8.
Ca Ca COLIFORM FAEC COL TEMP-AIR
DISS HARDNESS TOTAL
20101 20106 36001 36011 97060
mg/L Ca mg/L No/100ml No/100ml deg C
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 10 16 17 10
MEAN 116.833 183.4 4224. 5960. 28.8
MINIMUM 88.400 115.0 200. 200. 27.0
DATE OF MINIMUM 1994-08-23 1996-05-30 1994-01-25 1994-01-25 1996-07-25
10TH PERCENTILE 88.400 115.0 218. 221. 27.0
MEDIAN 109.200 170.0 3200. 2400. 28.0
90TH PERCENTILE 143.720 198.0 11000. 11000. 32.0
MAXIMUM 166.400 364.0 13600. 48400. 32.0
DATE OF MAXIMUM 1994-05-30 1995-01-10 1994-06-23 1994-08-23 1996-05-30
STANDARD DEVIATION 24.295 69.0 4142. 11407. 2.0
STATION - RIO GRIJALVA STATION NO. 037016
COUNTRY - MEXICO DEPTH(M) 3.0
LOCATION - OCT. 1 LAT. 17/59/20 LONG. 092/34/50 ELEVATION(M)9999.9
REGIONAL CENTRE - AMRA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1994-01-01 TO 1996-12-31
PERIOD OF RECORD FROM - 1994-01-03 TO 1996-12-04
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
COLOUR ELEC TEMP TURBID OIL AND
APPARENT COND GREASE
02011 02041 02061 02073 06521
REL.UNIT us/cm deg C JTU mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 2 24 24 12 12
MEAN 40.0 391. 28.1 13.8 5.
MINIMUM 280. 24.0 5.0 1.
DATE OF MINIMUM 1994-10-03 1994-01-03 1995-02-28 1995-01-03
10TH PERCENTILE 292. 24.0 5.0 1.
MEDIAN 365. 28.5 9.0 2.
90TH PERCENTILE 500. 30.5 23.5 9.
MAXIMUM 600. 34.0 30.0 25.
DATE OF MAXIMUM 1994-06-01 1994-05-02 1996-09-27 1995-03-22
STANDARD DEVIATION 94. 2.5 8.6 7.
NO3NO2 NO3-N NH3 O2 BOD
DISS
07105 07306 07554 08101 08201
mg/L N mg/L N mg/L N mg/L O2 mg/L O2
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 8 15 24 24
MEAN 0.07 2.80 0.00 5.5 4.
MINIMUM 0.03 0.03 0.00 2.0 1.
DATE OF MINIMUM 1994-07-04 1995-01-03 1994-03-01 1996-09-27 1996-12-04
10TH PERCENTILE 0.03 0.00 2.8 2.
MEDIAN 0.08 1.95 0.00 6.0 4.
90TH PERCENTILE 0.09 0.00 7.0 7.
MAXIMUM 0.10 8.12 0.00 8.0 12.
DATE OF MAXIMUM 1994-01-03 1995-02-28 1995-01-03 1994-07-04 1994-10-03
STANDARD DEVIATION 0.02 2.84 0.00 1.6 2.
COD ALK ALK ALK ACIDITY
TOTAL TOTAL PHENOL TOTAL
08301 10101 10102 10151 10252
mg/L O2 mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 24 12 12 3 3
MEAN 18. 110.17 123.17 10.7 3.33
MINIMUM 8. 82.00 103.00
DATE OF MINIMUM 1996-09-27 1994-02-02 1996-06-26
10TH PERCENTILE 9. 83.60 104.20
MEDIAN 18. 114.50 116.50
90TH PERCENTILE 26. 125.10 136.30
MAXIMUM 33. 128.00 180.00
DATE OF MAXIMUM 1996-04-24 1994-07-04 1996-11-26
STANDARD DEVIATION 7. 14.79 20.21
pH SUSP SOL RESIDUE VOL SUSP RESIDUE
105 DEG TOTAL SOLIDS TOT VOL
10302 10401 10473 10511 10521
pH UNITS mg/L mg/L mg/L mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 24 24 12 24 12
MEAN 7.9 45. 314. 20. 81.
MINIMUM 7.4 12. 198. 4. 30.
DATE OF MINIMUM 1996-07-24 1994-07-04 1996-10-29 1994-05-02 1996-06-26
10TH PERCENTILE 7.5 18. 206. 4. 33.
MEDIAN 7.9 34. 292. 12. 54.
90TH PERCENTILE 8.4 79. 428. 32. 149.
MAXIMUM 8.6 180. 516. 164. 212.
DATE OF MAXIMUM 1996-12-04 1996-09-27 1995-01-03 1996-11-26 1995-01-03
STANDARD DEVIATION 0.3 35. 96. 32. 55.
HARDNESS PO4-P P ORTHO SULPHATE Cl
TOTAL SOL DISS DISS
10603 15254 15255 16302 17201
mg/L mg/L PO4 mg/L P mg/L SO4 mg/L Cl
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 24 24 24 24
MEAN 157.3 0.104 0.073 39. 27.
MINIMUM 72.0 0.020 0.002 11. 8.
DATE OF MINIMUM 1996-09-27 1996-11-26 1996-10-29 1996-07-24 1996-12-04
10TH PERCENTILE 81.4 0.034 0.010 12. 13.
MEDIAN 151.5 0.089 0.068 37. 23.
90TH PERCENTILE 213.2 0.175 0.130 70. 46.
MAXIMUM 242.0 0.239 0.195 101. 52.
DATE OF MAXIMUM 1995-01-03 1995-03-22 1995-03-22 1994-06-01 1994-07-04
STANDARD DEVIATION 45.2 0.061 0.049 27. 13.
Ca Ca Fe COLIFORM FAEC COL
DISS HARDNESS DISS TOTAL
20101 20106 26102 36001 36011
mg/L Ca mg/L mg/L Fe No/100ml No/100ml
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 12 12 18 19
MEAN 59.733 124.2 0.00 4.5E+04 3.3E+04
MINIMUM 7.600 64.0 0.00 1.1E+03 3.6E+02
DATE OF MINIMUM 1994-06-01 1996-09-27 1994-08-01 1996-11-26 1994-06-01
10TH PERCENTILE 15.040 69.0 0.00 1.1E+03 1.0E+03
MEDIAN 67.200 110.5 0.00 8.2E+03 4.3E+03
90TH PERCENTILE 79.360 165.9 0.00 1.6E+05 7.5E+04
MAXIMUM 84.800 222.0 0.00 2.4E+05 2.4E+05
DATE OF MAXIMUM 1994-11-03 1995-01-03 1994-04-04 1995-01-03 1994-12-05
STANDARD DEVIATION 20.790 42.7 0.00 7.9E+04 6.9E+04
TEMP-AIR
97060
deg C
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 12
MEAN 32.2
MINIMUM 22.0
DATE OF MINIMUM 1996-11-26
10TH PERCENTILE 22.6
MEDIAN 35.0
90TH PERCENTILE 36.0
MAXIMUM 37.0
DATE OF MAXIMUM 1995-03-22
STANDARD DEVIATION 5.1
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