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STATISTICS FOR THE UNITED KINGDOM
GEMS/WATER - STATISTICAL SUMMARY BY STATION 2002-02-18 PAGE 691
STATION - RIVER THAMES STATION NO. 027001
COUNTRY - UNITED KINGDOM DEPTH(M) 3.0
LOCATION - OCT. 0 LAT. 51/25/44 LONG. 000/19/02 ELEVATION(M) 4.7
REGIONAL CENTRE - EURA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-01-02 TO 1987-12-17
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TEMP B PHENOLS
COND DISS
02041 02061 02062 05102 06532
us/cm deg C deg C mg/L B mg/L
NO. OF L-FLAGGED VALUES 0 0 0 1 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 73 54 23 71 1
MEAN 668. 11.2 11.8 0.2 0.011
MINIMUM 537. 0.0 1.5 0.1
DATE OF MINIMUM 1985-04-09 1985-01-15 1987-01-21 1987-10-20
10TH PERCENTILE 585. 3.5 4.3 0.1
MEDIAN 664. 11.0 13.0 0.2
90TH PERCENTILE 746. 18.2 19.0 0.4
MAXIMUM 805. 20.0 21.0 0.5
DATE OF MAXIMUM 1987-09-09 1986-07-21 1987-07-15 1986-07-21
STANDARD DEVIATION 65. 5.7 5.8 0.1
CN CHLORO A NO3NO2 NH3 NH3
06606 06711 07105 07555 07556
mg/L Cn mg/L mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 1 0 0 6 3
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 0 23 74 52 21
MEAN 0.010 43.0583 7.06 0.29 0.35
MINIMUM 1.0000 4.80 0.04 0.05
DATE OF MINIMUM 1985-01-15 1986-07-10 1986-04-22 1987-04-28
10TH PERCENTILE 3.1800 5.59 0.05 0.05
MEDIAN 18.7500 7.00 0.23 0.25
90TH PERCENTILE 96.5500 8.37 0.55 0.72
MAXIMUM 265.0000 10.80 1.30 1.10
DATE OF MAXIMUM 1987-05-21 1985-12-12 1986-03-05 1987-10-07
STANDARD DEVIATION 66.4868 1.12 0.23 0.27
PERCENT O2 O2 BOD COD
DO SAT DISS DISS
08001 08101 08102 08201 08301
PERCENT mg/L O2 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 22 45 9 24 2
MEAN 91. 10.3 9.8 3. 24.
MINIMUM 63. 6.4 6.4 1.
DATE OF MINIMUM 1987-01-21 1985-07-02 1987-07-15 1987-04-02
10TH PERCENTILE 71. 8.0 1.
MEDIAN 94. 10.1 9.1 2.
90TH PERCENTILE 106. 12.6 4.
MAXIMUM 136. 13.2 14.3 8.
DATE OF MAXIMUM 1987-05-21 1986-05-13 1987-05-21 1987-05-13
STANDARD DEVIATION 15. 1.8 2.3 2.
F ALK pH pH SUSP SOL
DISS TOTAL 105 DEG
09105 10102 10301 10302 10401
mg/L F 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 20 73 23 59 74
MEAN 0.3 57.70 7.8 8.0 23.
MINIMUM 0.2 2.20 7.3 7.5 2.
DATE OF MINIMUM 1985-06-05 1986-11-19 1987-10-07 1985-07-30 1985-10-15
10TH PERCENTILE 0.2 3.43 7.5 7.7 6.
MEDIAN 0.2 4.00 7.7 7.9 17.
90TH PERCENTILE 0.3 207.70 8.2 8.4 38.
MAXIMUM 0.3 223.00 8.8 8.9 145.
DATE OF MAXIMUM 1985-01-31 1987-05-13 1987-05-13 1985-05-09 1985-01-22
STANDARD DEVIATION 0.0 88.60 0.4 0.3 23.
Na Mg Si PO4-P SULPHATE
DISS DISS REACTIVE SOL
11105 12102 14101 15254 16301
mg/L Na mg/L Mg mg/LSiO2 mg/L PO4 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 13 13 20 82 34
MEAN 29. 6. 9.73 1.321 60.
MINIMUM 25. 4. 0.20 0.430 16.
DATE OF MINIMUM 1985-04-09 1986-07-10 1985-05-09 1985-02-11 1985-12-12
10TH PERCENTILE 25. 5. 4.60 0.646 45.
MEDIAN 28. 6. 10.35 1.090 62.
90TH PERCENTILE 33. 6. 12.60 2.400 71.
MAXIMUM 36. 8. 13.40 2.700 72.
DATE OF MAXIMUM 1986-07-10 1985-03-14 1985-01-15 1987-10-07 1986-11-06
STANDARD DEVIATION 3. 1. 3.19 0.628 11.
SULPHATE Cl P,P-DDT P,P-DDE ALDRIN
DISS
16304 17203 18000 18020 18130
mg/L SO4 mg/L Cl ug/L ug/L ug/L
NO. OF L-FLAGGED VALUES 0 0 68 67 4
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 21 82 0 1 0
MEAN 63. 43. 48.029 19.309 5.500
MINIMUM 55. 27. 1.000 3.000 1.000
DATE OF MINIMUM 1987-09-09 1986-11-19 1986-09-11 1986-09-11 1986-04-17
10TH PERCENTILE 56. 36. 50.000 20.000
MEDIAN 63. 43. 50.000 20.000 5.500
90TH PERCENTILE 69. 52. 50.000 20.000
MAXIMUM 75. 62. 50.000 20.000 10.000
DATE OF MAXIMUM 1987-05-13 1985-01-22 1986-08-28 1986-08-28 1986-12-18
STANDARD DEVIATION 5. 7. 9.274 3.247 5.196
DIELDRIN K Cr Mn Fe
DISS TOTAL TOTAL TOTAL
18150 19105 24002 25004 26002
ug/L mg/L K mg/L Cr mg/L Mn mg/L Fe
NO. OF L-FLAGGED VALUES 62 0 62 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 13 4 7 1
MEAN 5.348 5.8 0.010 0.05 0.21
MINIMUM 1.000 4.7 0.001 0.02
DATE OF MINIMUM 1986-09-11 1985-03-26 1986-05-20 1985-01-07
10TH PERCENTILE 5.000 4.8 0.010
MEDIAN 5.000 5.6 0.010 0.03
90TH PERCENTILE 5.000 7.1 0.010
MAXIMUM 23.000 7.4 0.010 0.15
DATE OF MAXIMUM 1985-01-15 1986-07-10 1986-03-17 1985-01-22
STANDARD DEVIATION 2.484 0.9 0.002 0.05
Ni Cu Cu Zn As
TOTAL TOTAL DISS TOTAL TOTAL
28001 29006 29106 30004 33007
mg/L Ni mg/L Cu mg/L Cu mg/L Zn mg/L As
NO. OF L-FLAGGED VALUES 59 57 17 13 2
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 10 3 55 2
MEAN 0.011 0.011 0.010 0.021 0.005
MINIMUM 0.006 0.005 0.010 0.009 0.005
DATE OF MINIMUM 1986-09-11 1986-04-17 1987-01-21 1986-05-20 1987-10-20
10TH PERCENTILE 0.010 0.010 0.010 0.010
MEDIAN 0.010 0.010 0.010 0.020 0.005
90TH PERCENTILE 0.010 0.010 0.010 0.032
MAXIMUM 0.040 0.040 0.010 0.080 0.005
DATE OF MAXIMUM 1987-05-13 1986-02-20 1987-12-17 1985-01-22 1987-12-17
STANDARD DEVIATION 0.004 0.005 0.000 0.013 0.000
Cd Cd Ba Pb
TOTAL DISS TOTAL TOTAL
48001 48101 80011 82001
mg/L Cd mg/L Cd ug/L Hg mg/L Pb
NO. OF L-FLAGGED VALUES 55 4 36 54
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 10 0 3 11
MEAN 0.597 0.001 0.332 0.008
MINIMUM 0.100 0.001 0.010 0.001
DATE OF MINIMUM 1986-09-11 1987-03-23 1986-05-13 1986-09-11
10TH PERCENTILE 0.500 0.019 0.005
MEDIAN 0.500 0.001 0.500 0.005
90TH PERCENTILE 1.000 0.500 0.010
MAXIMUM 1.300 0.001 0.500 0.040
DATE OF MAXIMUM 1986-05-12 1987-12-02 1985-08-20 1985-01-22
STANDARD DEVIATION 0.224 0.000 0.201 0.007
STATION - RIVER AVON STATION NO. 027002
COUNTRY - UNITED KINGDOM DEPTH(M) 4.5
LOCATION - OCT. 0 LAT. 51/25/07 LONG. 002/29/11 ELEVATION(M) 15.5
REGIONAL CENTRE - EURA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-01-08 TO 1987-12-04
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
TEMP NO3NO2 NO2-N NH3 PERCENT
DO SAT
02061 07105 07207 07555 08001
deg C mg/L N mg/L N mg/L N PERCENT
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 30 44 44 43 12
MEAN 11.8 7.99 0.10 0.34 87.
MINIMUM 3.0 5.10 0.04 0.10 72.
DATE OF MINIMUM 1987-01-30 1986-08-29 1986-08-29 1987-04-24 1987-07-17
10TH PERCENTILE 6.0 5.66 0.07 0.14 73.
MEDIAN 12.0 7.90 0.09 0.28 88.
90TH PERCENTILE 17.0 9.76 0.14 0.60 95.
MAXIMUM 19.0 10.87 0.20 0.77 99.
DATE OF MAXIMUM 1987-08-21 1985-01-08 1985-06-11 1985-11-27 1987-04-24
STANDARD DEVIATION 4.6 1.46 0.03 0.18 9.
O2 BOD pH SUSP SOL Na
DISS 105 DEG DISS
08101 08201 10302 10401 11103
mg/L O2 mg/L O2 pH UNITS mg/L mg/L Na
NO. OF L-FLAGGED VALUES 0 0 0 1 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 29 12 42 42 34
MEAN 9.2 18. 8.0 17. 25.
MINIMUM 5.9 2. 7.4 2. 15.
DATE OF MINIMUM 1985-09-23 1987-01-30 1985-01-23 1985-02-19 1987-01-05
10TH PERCENTILE 6.9 2. 7.5 6. 16.
MEDIAN 9.3 3. 8.0 11. 22.
90TH PERCENTILE 11.3 4. 8.3 27. 37.
MAXIMUM 12.7 181. 8.4 85. 45.
DATE OF MAXIMUM 1987-01-30 1987-12-04 1986-05-12 1985-01-23 1987-09-08
STANDARD DEVIATION 1.7 51. 0.3 17. 8.
Mg Si PO4-P SULPHATE Cl
DISS REACTIVE SOL DISS
12103 14101 15254 16302 17203
mg/L Mg mg/LSiO2 mg/L PO4 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 37 44 43 9 44
MEAN 7. 3.54 0.822 74. 38.
MINIMUM 5. 1.07 0.090 53. 25.
DATE OF MINIMUM 1985-01-23 1986-05-12 1985-09-12 1987-01-05 1987-01-05
10TH PERCENTILE 6. 1.91 0.350 30.
MEDIAN 7. 3.70 0.650 68. 34.
90TH PERCENTILE 8. 4.36 1.604 51.
MAXIMUM 10. 5.20 2.200 100. 65.
DATE OF MAXIMUM 1986-08-29 1985-07-31 1986-10-09 1987-05-22 1986-10-09
STANDARD DEVIATION 1. 0.90 0.501 17. 9.
K Ca Cr Ni Cu
DISS DISS TOTAL TOTAL TOTAL
19103 20101 24002 28001 29006
mg/L K mg/L Ca mg/L Cr mg/L Ni mg/L Cu
NO. OF L-FLAGGED VALUES 0 0 5 6 1
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 34 39 22 23 32
MEAN 6.4 119.615 0.002 0.004 0.005
MINIMUM 4.0 92.000 0.001 0.002 0.001
DATE OF MINIMUM 1986-02-11 1985-01-23 1985-01-08 1985-01-08 1985-07-31
10TH PERCENTILE 4.3 108.000 0.001 0.002 0.002
MEDIAN 6.1 120.200 0.001 0.003 0.004
90TH PERCENTILE 9.0 129.600 0.002 0.004 0.008
MAXIMUM 9.5 135.000 0.005 0.040 0.021
DATE OF MAXIMUM 1986-08-29 1985-01-08 1986-11-07 1985-11-27 1985-11-27
STANDARD DEVIATION 1.7 8.651 0.001 0.007 0.004
Cd Pb INST
TOTAL TOTAL DISCHG
48001 82001 97160
mg/L Cd mg/L Pb m3/S
NO. OF L-FLAGGED VALUES 9 4 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 21 23 40
MEAN 0.213 0.005 16.9
MINIMUM 0.100 0.002 4.1
DATE OF MINIMUM 1985-01-08 1985-01-08 1986-10-09
10TH PERCENTILE 0.100 0.002 6.6
MEDIAN 0.100 0.004 14.1
90TH PERCENTILE 0.400 0.009 28.8
MAXIMUM 1.100 0.010 47.3
DATE OF MAXIMUM 1985-11-27 1987-08-21 1985-01-23
STANDARD DEVIATION 0.234 0.002 10.5
STATION - RIVER EXE STATION NO. 027003
COUNTRY - UNITED KINGDOM DEPTH(M) 1.5
LOCATION - OCT. 0 LAT. 50/48/13 LONG. 003/30/36 ELEVATION(M) 25.9
REGIONAL CENTRE - EURA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-02-04 TO 1987-12-16
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TOC CHLORO A NO3NO2
COND
02041 02061 06001 06711 07105
us/cm deg C mg/L C mg/L 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 45 45 40 34 45
MEAN 173. 9.9 7. 6.1257 2.65
MINIMUM 126. 2.3 3. 1.0000 1.60
DATE OF MINIMUM 1986-11-27 1985-02-12 1987-03-30 1987-01-19 1985-11-12
10TH PERCENTILE 136. 4.5 4. 1.5000 2.05
MEDIAN 164. 9.0 7. 4.0000 2.70
90TH PERCENTILE 214. 16.5 9. 10.0000 3.20
MAXIMUM 244. 19.0 12. 53.0000 3.50
DATE OF MAXIMUM 1986-07-22 1985-07-04 1987-12-16 1987-10-21 1986-01-30
STANDARD DEVIATION 32. 4.7 2. 9.0510 0.45
NH3 PERCENT O2 BOD ALK
DO SAT DISS TOTAL
07556 08001 08101 08201 10101
mg/L N PERCENT mg/L O2 mg/L O2 mg/L
NO. OF L-FLAGGED VALUES 1 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 44 16 45 16 45
MEAN 0.07 100. 11.6 2. 0.79
MINIMUM 0.01 86. 8.6 1. 0.50
DATE OF MINIMUM 1986-09-29 1987-07-16 1986-07-21 1987-08-04 1986-10-24
10TH PERCENTILE 0.02 90. 9.3 1. 0.55
MEDIAN 0.05 98. 12.0 2. 0.70
90TH PERCENTILE 0.13 109. 13.1 3. 1.10
MAXIMUM 0.32 117. 14.0 4. 1.50
DATE OF MAXIMUM 1986-04-08 1987-05-18 1987-01-19 1987-12-16 1985-03-12
STANDARD DEVIATION 0.07 8. 1.4 1. 0.23
ALK pH SUSP SOL Na Mg
TOTAL 105 DEG DISS DISS
10102 10302 10401 11103 12102
mg/L pH UNITS mg/L 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 16 45 45 44 44
MEAN 39.50 7.7 9. 10. 4.
MINIMUM 25.00 6.9 2. 6. 3.
DATE OF MINIMUM 1987-03-24 1985-11-12 1985-03-18 1986-11-27 1986-11-27
10TH PERCENTILE 27.40 7.4 3. 7. 3.
MEDIAN 38.00 7.6 6. 10. 4.
90TH PERCENTILE 52.00 8.0 16. 13. 5.
MAXIMUM 56.00 8.7 35. 20. 5.
DATE OF MAXIMUM 1987-05-12 1985-06-19 1986-04-08 1986-07-22 1986-07-22
STANDARD DEVIATION 9.28 0.3 8. 3. 1.
Si PO4-P SULPHATE Cl P,P-DDT
REACTIVE SOL DISS
14101 15254 16306 17202 18000
mg/LSiO2 mg/L PO4 mg/L SO4 mg/L Cl ug/L
NO. OF L-FLAGGED VALUES 0 1 0 0 41
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 45 44 16 45 0
MEAN 4.05 0.098 14. 16. 5.000
MINIMUM 1.00 0.010 9. 12. 5.000
DATE OF MINIMUM 1985-05-15 1986-10-24 1987-03-24 1986-05-27 1985-02-25
10TH PERCENTILE 3.00 0.040 10. 12. 5.000
MEDIAN 4.10 0.080 14. 16. 5.000
90TH PERCENTILE 5.00 0.180 17. 20. 5.000
MAXIMUM 6.70 0.250 18. 23. 5.000
DATE OF MAXIMUM 1987-11-03 1986-07-22 1987-05-18 1987-02-03 1987-12-16
STANDARD DEVIATION 0.99 0.057 3. 3. 0.000
DDT P,P-DDE LINDANE ALDRIN DIELDRIN
TOTAL
18002 18020 18070 18130 18150
ug/L ug/L ug/L ug/L ug/L
NO. OF L-FLAGGED VALUES 15 41 1 41 39
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 0 0 14 0 0
MEAN 0.005 3.000 0.006 1.000 3.146
MINIMUM 0.005 3.000 0.001 1.000 3.000
DATE OF MINIMUM 1987-01-19 1985-02-25 1987-01-19 1985-02-25 1985-02-25
10TH PERCENTILE 0.005 3.000 0.001 1.000 3.000
MEDIAN 0.005 3.000 0.004 1.000 3.000
90TH PERCENTILE 0.005 3.000 0.012 1.000 3.000
MAXIMUM 0.005 3.000 0.026 1.000 6.000
DATE OF MAXIMUM 1987-12-16 1987-12-16 1987-07-16 1987-12-16 1987-11-18
STANDARD DEVIATION 0.000 0.000 0.006 0.000 0.654
BHC K Ca Cr Mn
DISS DISS TOTAL TOTAL
18814 19103 20103 24002 25004
ug/L mg/L K mg/L Ca mg/L Cr mg/L Mn
NO. OF L-FLAGGED VALUES 3 0 0 44 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 36 44 44 0 44
MEAN 6.341 2.0 16.275 0.005 0.04
MINIMUM 1.000 1.3 11.200 0.005 0.01
DATE OF MINIMUM 1985-04-23 1985-07-04 1987-06-08 1985-02-04 1987-05-18
10TH PERCENTILE 1.000 1.4 12.420 0.005 0.02
MEDIAN 4.000 1.9 16.100 0.005 0.03
90TH PERCENTILE 11.800 2.7 20.500 0.005 0.05
MAXIMUM 26.000 3.4 22.300 0.005 0.10
DATE OF MAXIMUM 1987-07-16 1987-12-16 1985-03-12 1987-12-16 1985-07-22
STANDARD DEVIATION 5.910 0.5 3.020 0.000 0.02
Fe Ni Cu Zn FAEC COL
TOTAL TOTAL TOTAL TOTAL
26004 28001 29006 30004 36012
mg/L Fe mg/L Ni mg/L Cu mg/L Zn No/100ml
NO. OF L-FLAGGED VALUES 0 43 43 13 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 44 1 1 31 4
MEAN 0.29 0.005 0.005 0.009 575.
MINIMUM 0.08 0.005 0.005 0.005 400.
DATE OF MINIMUM 1987-05-18 1985-02-04 1985-02-04 1986-05-19 1985-02-25
10TH PERCENTILE 0.13 0.005 0.005 0.005
MEDIAN 0.22 0.005 0.005 0.007 550.
90TH PERCENTILE 0.50 0.005 0.005 0.013
MAXIMUM 0.85 0.005 0.005 0.066 800.
DATE OF MAXIMUM 1987-03-24 1987-12-16 1987-12-16 1987-01-19 1985-02-12
STANDARD DEVIATION 0.19 0.000 0.000 0.009 206.
FAEC Cd Ba Pb
STREP TOTAL TOTAL TOTAL
36102 48001 80016 82001
No/100ml mg/L Cd ug/L Hg mg/L Pb
NO. OF L-FLAGGED VALUES 0 41 9 42
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 4 2 1 1
MEAN 88. 0.759 0.100 0.008
MINIMUM 20. 0.700 0.100 0.005
DATE OF MINIMUM 1985-03-12 1985-02-12 1987-01-19 1985-02-25
10TH PERCENTILE 0.700 0.100 0.008
MEDIAN 90. 0.700 0.100 0.008
90TH PERCENTILE 0.700 0.100 0.008
MAXIMUM 150. 2.400 0.100 0.009
DATE OF MAXIMUM 1985-03-18 1985-02-04 1987-11-18 1986-07-22
STANDARD DEVIATION 65. 0.272 0.000 0.000
STATION - RIVER TRENT STATION NO. 027004
COUNTRY - UNITED KINGDOM DEPTH(M) 4.0
LOCATION - OCT. 0 LAT. 52/56/19 LONG. 001/08/06 ELEVATION(M) 15.7
REGIONAL CENTRE - EURA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-01-10 TO 1987-12-03
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP B TOC NO3NO2
COND DISS
02041 02061 05102 06001 07105
us/cm deg C mg/L B mg/L C 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 67 67 27 63 67
MEAN 858. 12.2 0.4 6. 8.69
MINIMUM 546. 2.5 0.0 2. 5.80
DATE OF MINIMUM 1986-08-28 1985-12-30 1985-07-30 1985-07-30 1985-08-14
10TH PERCENTILE 656. 5.8 0.1 5. 6.87
MEDIAN 855. 11.5 0.4 6. 8.60
90TH PERCENTILE 1025. 18.6 0.7 8. 10.40
MAXIMUM 1197. 24.7 0.9 15. 11.80
DATE OF MAXIMUM 1986-12-10 1987-07-07 1986-07-29 1987-08-24 1985-12-10
STANDARD DEVIATION 149. 5.1 0.2 2. 1.41
NH3 O2 BOD F ALK
DISS DISS TOTAL
07556 08102 08201 09105 10102
mg/L N mg/L O2 mg/L O2 mg/L F 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 67 65 22 28 64
MEAN 0.39 10.0 3. 0.3 52.76
MINIMUM 0.00 7.6 2. 0.0 1.20
DATE OF MINIMUM 1985-07-03 1987-08-24 1987-10-02 1985-06-11 1985-07-30
10TH PERCENTILE 0.04 8.4 2. 0.2 2.65
MEDIAN 0.37 10.2 3. 0.3 3.40
90TH PERCENTILE 0.79 11.5 4. 0.4 164.00
MAXIMUM 1.36 13.3 8. 0.7 186.00
DATE OF MAXIMUM 1986-02-26 1985-12-30 1987-08-24 1986-07-29 1987-02-23
STANDARD DEVIATION 0.31 1.2 1. 0.1 73.07
pH pH SUSP SOL Na Mg
105 DEG DISS DISS
10301 10302 10401 11103 12102
pH UNITS pH UNITS mg/L 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 22 45 67 21 19
MEAN 8.0 7.8 22. 64. 19.
MINIMUM 7.7 6.8 4. 30. 5.
DATE OF MINIMUM 1987-08-24 1986-12-10 1987-08-05 1987-10-22 1985-07-30
10TH PERCENTILE 7.8 7.6 8. 34. 13.
MEDIAN 7.9 7.9 14. 59. 20.
90TH PERCENTILE 8.3 8.0 36. 95. 25.
MAXIMUM 8.4 8.3 153. 102. 27.
DATE OF MAXIMUM 1987-08-05 1986-05-29 1987-08-24 1985-10-23 1985-03-21
STANDARD DEVIATION 0.2 0.2 24. 22. 5.
Si PO4-P SULPHATE Cl K
REACTIVE SOL DISS DISS
14101 15254 16302 17203 19102
mg/LSiO2 mg/L PO4 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 14 67 29 67 9
MEAN 8.41 1.559 149. 92. 9.0
MINIMUM 4.40 0.060 23. 48. 5.9
DATE OF MINIMUM 1985-10-31 1986-11-04 1985-07-30 1986-08-28 1987-04-01
10TH PERCENTILE 5.40 0.791 115. 56.
MEDIAN 8.59 1.400 144. 92. 8.6
90TH PERCENTILE 10.03 2.593 197. 122.
MAXIMUM 11.20 3.200 211. 147. 12.4
DATE OF MAXIMUM 1986-02-19 1986-10-10 1986-10-10 1986-10-10 1987-07-22
STANDARD DEVIATION 1.76 0.694 39. 25. 2.0
K Ca Cr Cr Ni
DISS DISS TOTAL DISS TOTAL
19103 20103 24002 24052 28001
mg/L K mg/L Ca mg/L Cr mg/L Cr mg/L Ni
NO. OF L-FLAGGED VALUES 0 0 2 2 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 20 65 61 56
MEAN 9.0 94.425 0.007 0.005 0.026
MINIMUM 6.7 56.000 0.002 0.001 0.010
DATE OF MINIMUM 1986-01-28 1987-08-24 1987-01-07 1985-12-10 1985-05-31
10TH PERCENTILE 6.7 74.000 0.003 0.001 0.015
MEDIAN 8.6 95.600 0.006 0.003 0.025
90TH PERCENTILE 11.6 110.000 0.010 0.010 0.035
MAXIMUM 12.2 115.000 0.030 0.023 0.060
DATE OF MAXIMUM 1985-10-23 1985-02-18 1986-01-28 1986-01-28 1987-08-24
STANDARD DEVIATION 1.9 14.509 0.004 0.004 0.010
Ni Cu Cu Zn Zn
DISS TOTAL DISS TOTAL DISS
28101 29006 29106 30004 30104
mg/L Ni mg/L Cu mg/L Cu mg/L Zn mg/L Zn
NO. OF L-FLAGGED VALUES 0 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 66 67 67 40 66
MEAN 0.023 0.019 0.012 0.058 0.033
MINIMUM 0.008 0.002 0.001 0.020 0.010
DATE OF MINIMUM 1986-11-21 1986-01-28 1987-05-11 1987-03-17 1985-04-25
10TH PERCENTILE 0.011 0.010 0.006 0.030 0.020
MEDIAN 0.022 0.019 0.010 0.050 0.030
90TH PERCENTILE 0.034 0.030 0.020 0.080 0.042
MAXIMUM 0.049 0.080 0.020 0.160 0.110
DATE OF MAXIMUM 1986-10-10 1987-11-24 1985-02-18 1986-11-21 1987-04-06
STANDARD DEVIATION 0.009 0.010 0.005 0.026 0.015
As Cd Cd Ba Pb
TOTAL TOTAL DISS TOTAL TOTAL
33003 48001 48101 80016 82001
mg/L As mg/L Cd mg/L Cd ug/L Hg mg/L Pb
NO. OF L-FLAGGED VALUES 0 1 1 1 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 8 63 66 19 67
MEAN 0.005 0.416 0.270 0.077 0.011
MINIMUM 0.002 0.050 0.040 0.050 0.002
DATE OF MINIMUM 1985-07-30 1985-06-11 1987-07-07 1985-06-11 1986-07-24
10TH PERCENTILE 0.080 0.050 0.050 0.004
MEDIAN 0.005 0.400 0.200 0.050 0.008
90TH PERCENTILE 0.700 0.500 0.100 0.018
MAXIMUM 0.007 1.600 1.000 0.280 0.056
DATE OF MAXIMUM 1985-02-18 1987-08-24 1987-10-22 1985-08-14 1987-08-24
STANDARD DEVIATION 0.001 0.286 0.207 0.054 0.009
Pb INST
DISS DISCHG
82101 97160
mg/L Pb m3/S
NO. OF L-FLAGGED VALUES 0 0
NO. OF G-FLAGGED VALUES 0 0
NO. OF UNFLAGGED VALUES 67 67
MEAN 0.002 88.6
MINIMUM 0.001 31.9
DATE OF MINIMUM 1985-01-10 1986-10-10
10TH PERCENTILE 0.001 36.6
MEDIAN 0.002 60.1
90TH PERCENTILE 0.004 193.0
MAXIMUM 0.011 264.9
DATE OF MAXIMUM 1986-04-04 1986-02-04
STANDARD DEVIATION 0.002 62.1
STATION - RIVER DEE STATION NO. 027005
COUNTRY - UNITED KINGDOM DEPTH(M) 3.0
LOCATION - OCT. 0 LAT. 53/08/04 LONG. 002/52/12 ELEVATION(M) 4.0
REGIONAL CENTRE - EURA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-01-07 TO 1987-11-09
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP CHLORO A NO3NO2 NO2-N
COND
02041 02061 06711 07105 07207
us/cm deg C mg/L mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 11 0 3
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 57 54 25 53 53
MEAN 293. 9.1 3.7028 1.68 0.05
MINIMUM 108. 0.7 1.0000 0.12 0.01
DATE OF MINIMUM 1985-08-16 1986-02-27 1985-09-11 1987-09-30 1985-08-16
10TH PERCENTILE 203. 2.5 1.0000 0.27 0.02
MEDIAN 291. 8.7 2.1500 1.68 0.04
90TH PERCENTILE 373. 15.8 7.7400 2.78 0.09
MAXIMUM 532. 19.2 23.6000 4.20 0.29
DATE OF MAXIMUM 1987-05-07 1987-07-07 1986-03-25 1985-02-28 1985-02-28
STANDARD DEVIATION 78. 5.4 4.3795 0.95 0.05
NH3 O2 BOD ALK pH
DISS TOTAL
07556 08101 08201 10101 10301
mg/L N mg/L O2 mg/L O2 mg/L pH UNITS
NO. OF L-FLAGGED VALUES 2 0 1 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 55 51 22 5 23
MEAN 0.24 10.5 2. 1.14 7.5
MINIMUM 0.02 7.0 1. 0.40 7.2
DATE OF MINIMUM 1985-05-04 1987-07-07 1987-01-05 1985-08-16 1987-04-08
10TH PERCENTILE 0.05 8.1 1. 7.2
MEDIAN 0.16 10.7 2. 1.10 7.5
90TH PERCENTILE 0.47 12.8 3. 7.7
MAXIMUM 1.78 13.8 5. 1.70 8.6
DATE OF MAXIMUM 1985-02-28 1985-01-07 1987-10-20 1985-02-15 1987-05-07
STANDARD DEVIATION 0.27 1.7 1. 0.53 0.3
pH SUSP SOL Na Na Mg
105 DEG DISS DISS TOTAL
10302 10401 11102 11103 12002
pH UNITS 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 35 58 23 29 33
MEAN 7.7 16. 24. 21. 6.
MINIMUM 6.9 2. 7. 10. 2.
DATE OF MINIMUM 1985-09-11 1987-05-18 1987-10-20 1985-08-16 1985-08-16
10TH PERCENTILE 7.4 4. 11. 14. 4.
MEDIAN 7.6 9. 23. 20. 6.
90TH PERCENTILE 7.9 40. 33. 32. 7.
MAXIMUM 8.1 122. 53. 39. 10.
DATE OF MAXIMUM 1985-07-22 1987-04-08 1987-07-14 1986-10-15 1986-02-27
STANDARD DEVIATION 0.2 20. 10. 7. 2.
Mg Si PO4-P SULPHATE Cl
DISS REACTIVE SOL DISS
12102 14101 15254 16304 17203
mg/L Mg mg/LSiO2 mg/L PO4 mg/L SO4 mg/L Cl
NO. OF L-FLAGGED VALUES 0 0 1 1 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 22 45 54 41 56
MEAN 6. 2.44 0.242 34. 33.
MINIMUM 2. 0.73 0.050 10. 12.
DATE OF MINIMUM 1987-10-20 1987-05-18 1987-01-05 1985-09-11 1987-10-20
10TH PERCENTILE 3. 1.42 0.096 15. 21.
MEDIAN 5. 2.29 0.205 33. 31.
90TH PERCENTILE 8. 3.25 0.376 51. 44.
MAXIMUM 26. 6.52 1.170 59. 88.
DATE OF MAXIMUM 1987-07-14 1987-11-09 1987-07-14 1986-06-11 1985-02-28
STANDARD DEVIATION 5. 1.15 0.165 13. 13.
P,P-DDT P,P-DDE ALDRIN DIELDRIN BHC
18000 18020 18130 18150 18814
ug/L ug/L ug/L ug/L ug/L
NO. OF L-FLAGGED VALUES 4 5 5 5 4
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 1 0 0 0 1
MEAN 6.600 3.000 2.600 3.000 3.400
MINIMUM 3.000 3.000 1.000 3.000 3.000
DATE OF MINIMUM 1985-06-25 1985-06-25 1985-06-25 1985-06-25 1986-03-12
10TH PERCENTILE
MEDIAN 3.000 3.000 3.000 3.000 3.000
90TH PERCENTILE
MAXIMUM 21.000 3.000 3.000 3.000 5.000
DATE OF MAXIMUM 1986-03-12 1986-11-06 1986-11-06 1986-11-06 1985-06-25
STANDARD DEVIATION 8.050 0.000 0.894 0.000 0.894
K K Ca Ca Cr
DISS DISS TOTAL DISS TOTAL
19102 19103 20003 20103 24002
mg/L K mg/L K mg/L Ca mg/L Ca mg/L Cr
NO. OF L-FLAGGED VALUES 0 0 0 0 51
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 23 28 33 22 1
MEAN 4.0 3.1 31.809 32.178 0.010
MINIMUM 1.5 1.3 10.600 13.100 0.010
DATE OF MINIMUM 1987-01-05 1986-11-06 1985-08-16 1987-10-20 1985-01-07
10TH PERCENTILE 1.9 2.1 19.180 15.600 0.010
MEDIAN 3.5 3.1 29.450 29.000 0.010
90TH PERCENTILE 5.8 4.0 40.660 39.600 0.010
MAXIMUM 8.7 4.6 96.000 114.000 0.014
DATE OF MAXIMUM 1987-07-14 1985-05-04 1986-05-16 1987-07-14 1987-02-19
STANDARD DEVIATION 1.6 0.8 15.409 19.449 0.001
Mn Fe Ni Cu Zn
TOTAL TOTAL TOTAL TOTAL TOTAL
25004 26004 28001 29006 30004
mg/L Mn mg/L Fe mg/L Ni mg/L Cu mg/L Zn
NO. OF L-FLAGGED VALUES 0 0 54 20 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 54 54 0 34 54
MEAN 0.08 0.35 0.010 0.007 0.025
MINIMUM 0.04 0.13 0.010 0.005 0.007
DATE OF MINIMUM 1985-03-26 1986-11-06 1985-01-07 1985-01-07 1986-10-15
10TH PERCENTILE 0.05 0.18 0.010 0.005 0.011
MEDIAN 0.07 0.28 0.010 0.005 0.021
90TH PERCENTILE 0.12 0.75 0.010 0.011 0.041
MAXIMUM 0.18 1.04 0.010 0.016 0.075
DATE OF MAXIMUM 1985-08-16 1987-04-08 1987-11-09 1987-02-19 1985-01-07
STANDARD DEVIATION 0.03 0.22 0.000 0.003 0.015
Cd Ba Pb INST
TOTAL TOTAL TOTAL DISCHG
48001 80016 82001 97160
mg/L Cd ug/L Hg mg/L Pb m3/S
NO. OF L-FLAGGED VALUES 33 1 37 0
NO. OF G-FLAGGED VALUES 0 0 0 0
NO. OF UNFLAGGED VALUES 20 0 14 20
MEAN 0.788 0.500 0.011 29.0
MINIMUM 0.001 0.005 10.1
DATE OF MINIMUM 1987-01-05 1985-03-13 1987-06-08
10TH PERCENTILE 0.001 0.005 11.2
MEDIAN 1.000 0.010 23.0
90TH PERCENTILE 2.000 0.015 52.1
MAXIMUM 3.500 0.038 83.1
DATE OF MAXIMUM 1985-07-22 1986-01-19 1987-04-08
STANDARD DEVIATION 0.821 0.006 19.8
STATION - RIVER LEVEN STATION NO. 027006
COUNTRY - UNITED KINGDOM DEPTH(M) 0.9
LOCATION - OCT. 0 LAT. 55/58/14 LONG. 004/34/56 ELEVATION(M) 4.3
REGIONAL CENTRE - EURA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-01-22 TO 1987-12-02
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NO2-N NH3
COND
02041 02061 07105 07207 07555
us/cm deg C mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 26 19
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 36 36 36 9 16
MEAN 74. 8.9 0.32 0.01 0.03
MINIMUM 62. 1.0 0.10 0.01 0.02
DATE OF MINIMUM 1987-10-06 1985-01-22 1987-08-05 1985-01-22 1985-01-22
10TH PERCENTILE 65. 2.0 0.20 0.01 0.02
MEDIAN 70. 9.5 0.31 0.01 0.02
90TH PERCENTILE 84. 14.3 0.40 0.01 0.05
MAXIMUM 147. 17.0 0.50 0.01 0.10
DATE OF MAXIMUM 1985-01-22 1986-07-16 1985-01-22 1987-12-02 1987-08-05
STANDARD DEVIATION 15. 4.7 0.08 0.00 0.02
NH3 PERCENT O2 BOD ALK
DO SAT DISS TOTAL
07556 08001 08101 08201 10101
mg/L N PERCENT mg/L O2 mg/L O2 mg/L
NO. OF L-FLAGGED VALUES 3 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 9 12 36 12 12
MEAN 0.03 94. 11.2 2. 12.58
MINIMUM 0.02 84. 9.2 1. 8.00
DATE OF MINIMUM 1987-01-09 1987-01-09 1986-07-16 1987-10-06 1987-10-06
10TH PERCENTILE 0.02 85. 9.6 1. 8.40
MEDIAN 0.02 94. 11.2 2. 12.50
90TH PERCENTILE 0.04 103. 12.7 3. 15.70
MAXIMUM 0.10 107. 13.3 3. 18.00
DATE OF MAXIMUM 1987-08-05 1987-05-07 1985-02-20 1987-06-05 1987-12-02
STANDARD DEVIATION 0.02 7. 1.2 1. 2.87
ALK pH pH SUSP SOL PO4-P
TOTAL 105 DEG SOL
10102 10301 10302 10401 15254
mg/L pH UNITS pH UNITS mg/L mg/L PO4
NO. OF L-FLAGGED VALUES 0 0 0 1 27
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 35 12 35 35 8
MEAN 0.23 7.2 7.2 4. 0.017
MINIMUM 0.10 7.0 6.8 1. 0.010
DATE OF MINIMUM 1986-02-11 1987-03-09 1986-11-11 1985-05-16 1986-07-16
10TH PERCENTILE 0.10 7.0 7.0 1. 0.010
MEDIAN 0.20 7.1 7.1 3. 0.020
90TH PERCENTILE 0.30 7.4 7.4 7. 0.020
MAXIMUM 0.40 7.5 7.5 13. 0.040
DATE OF MAXIMUM 1985-03-22 1987-05-07 1986-10-09 1987-03-09 1986-01-10
STANDARD DEVIATION 0.07 0.2 0.2 3. 0.006
Cl P,P-DDT DDT P,P-DDE LINDANE
DISS TOTAL
17203 18000 18002 18020 18070
mg/L Cl ug/L ug/L ug/L ug/L
NO. OF L-FLAGGED VALUES 0 1 1 2 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 36 1 1 0 2
MEAN 10. 3.650 0.004 0.400 0.003
MINIMUM 6.
DATE OF MINIMUM 1985-12-06
10TH PERCENTILE 7.
MEDIAN 9.
90TH PERCENTILE 11.
MAXIMUM 27.
DATE OF MAXIMUM 1985-01-22
STANDARD DEVIATION 4.
ALDRIN DIELDRIN BHC Cr Cr
TOTAL DISS
18130 18150 18814 24002 24052
ug/L ug/L ug/L mg/L Cr mg/L Cr
NO. OF L-FLAGGED VALUES 2 1 0 26 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 0 1 1 7 12
MEAN 0.200 0.450 3.000 0.002 0.001
MINIMUM 0.001 0.001
DATE OF MINIMUM 1985-11-04 1987-03-09
10TH PERCENTILE 0.001 0.001
MEDIAN 0.001 0.001
90TH PERCENTILE 0.003 0.002
MAXIMUM 0.028 0.003
DATE OF MAXIMUM 1987-01-09 1987-01-09
STANDARD DEVIATION 0.005 0.001
Ni Ni Cu Cu Zn
TOTAL DISS TOTAL DISS TOTAL
28001 28101 29006 29106 30004
mg/L Ni mg/L Ni mg/L Cu mg/L Cu mg/L Zn
NO. OF L-FLAGGED VALUES 20 9 5 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 14 3 29 12 34
MEAN 0.002 0.002 0.003 0.002 0.011
MINIMUM 0.002 0.002 0.002 0.002 0.004
DATE OF MINIMUM 1985-09-17 1987-01-09 1986-03-13 1987-01-09 1987-08-05
10TH PERCENTILE 0.002 0.002 0.002 0.002 0.005
MEDIAN 0.002 0.002 0.003 0.002 0.010
90TH PERCENTILE 0.003 0.002 0.004 0.002 0.017
MAXIMUM 0.003 0.002 0.007 0.003 0.028
DATE OF MAXIMUM 1985-08-12 1987-12-02 1985-02-20 1987-02-11 1987-05-07
STANDARD DEVIATION 0.000 0.000 0.001 0.000 0.006
Zn Cd Cd Pb Pb
DISS TOTAL DISS TOTAL DISS
30104 48001 48101 82001 82101
mg/L Zn mg/L Cd mg/L Cd mg/L Pb mg/L Pb
NO. OF L-FLAGGED VALUES 0 33 0 6 10
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 1 12 28 2
MEAN 0.006 0.506 0.001 0.005 0.002
MINIMUM 0.002 0.001 0.001 0.002 0.002
DATE OF MINIMUM 1987-08-05 1987-07-02 1987-01-09 1986-01-10 1987-03-09
10TH PERCENTILE 0.002 0.500 0.001 0.002 0.002
MEDIAN 0.006 0.500 0.001 0.003 0.002
90TH PERCENTILE 0.009 0.500 0.001 0.010 0.003
MAXIMUM 0.010 1.000 0.001 0.028 0.004
DATE OF MAXIMUM 1987-01-09 1985-10-10 1987-12-02 1987-12-02 1987-01-09
STANDARD DEVIATION 0.002 0.128 0.000 0.005 0.001
INST
DISCHG
97160
m3/S
NO. OF L-FLAGGED VALUES 0
NO. OF G-FLAGGED VALUES 0
NO. OF UNFLAGGED VALUES 35
MEAN 39.4
MINIMUM 6.6
DATE OF MINIMUM 1987-05-07
10TH PERCENTILE 6.9
MEDIAN 32.3
90TH PERCENTILE 79.8
MAXIMUM 135.6
DATE OF MAXIMUM 1986-12-04
STANDARD DEVIATION 36.4
STATION - RIVER MERSEY STATION NO. 027007
COUNTRY - UNITED KINGDOM DEPTH(M) 4.0
LOCATION - OCT. 0 LAT. 53/23/13 LONG. 002/34/35 ELEVATION(M) 5.6
REGIONAL CENTRE - EURA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-01-02 TO 1987-12-16
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NO2-N NO3-N
COND
02041 02061 07105 07207 07313
us/cm deg C mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 1 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 171 69 69 152 153
MEAN 631. 10.9 3.17 0.26 3.09
MINIMUM 300. 1.0 2.19 0.02 1.95
DATE OF MINIMUM 1986-08-27 1987-01-07 1987-06-10 1987-01-28 1987-07-15
10TH PERCENTILE 430. 4.9 2.73 0.10 2.55
MEDIAN 605. 11.0 3.20 0.20 3.10
90TH PERCENTILE 858. 16.0 3.66 0.52 3.55
MAXIMUM 998. 20.0 4.40 0.78 5.00
DATE OF MAXIMUM 1986-10-08 1987-07-15 1987-05-06 1985-08-07 1986-10-01
STANDARD DEVIATION 164. 4.7 0.42 0.18 0.47
NH3 PERCENT O2 BOD COD
DO SAT DISS
07556 08001 08101 08201 08301
mg/L N PERCENT 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 171 64 162 68 150
MEAN 4.39 65. 6.8 5. 44.
MINIMUM 1.15 18. 1.9 2. 24.
DATE OF MINIMUM 1986-01-22 1987-10-07 1987-10-07 1987-08-12 1985-01-02
10TH PERCENTILE 1.95 46. 4.1 3. 31.
MEDIAN 4.30 70. 6.7 4. 43.
90TH PERCENTILE 6.93 80. 9.6 7. 58.
MAXIMUM 10.20 84. 12.4 12. 114.
DATE OF MAXIMUM 1986-10-08 1987-04-01 1986-01-08 1987-08-11 1986-11-19
STANDARD DEVIATION 1.84 15. 2.1 2. 12.
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 2
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 68 151 69 153 168
MEAN 114.81 2.24 7.5 7.4 21.
MINIMUM 45.00 0.90 7.0 6.9 2.
DATE OF MINIMUM 1987-03-25 1987-03-25 1987-03-04 1986-11-19 1985-07-24
10TH PERCENTILE 89.40 1.60 7.2 7.2 5.
MEDIAN 116.00 2.30 7.5 7.4 12.
90TH PERCENTILE 139.20 2.80 7.7 7.7 42.
MAXIMUM 170.00 3.40 8.0 8.2 281.
DATE OF MAXIMUM 1987-12-16 1987-12-16 1987-08-05 1986-12-03 1986-11-19
STANDARD DEVIATION 21.24 0.49 0.2 0.2 32.
Na Mg Si PO4-P Cl
DISS DISS REACTIVE SOL DISS
11105 12102 14101 15254 17201
mg/L Na mg/L Mg mg/LSiO2 mg/L PO4 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 5 77 140 149 150
MEAN 64. 9. 7.47 1.269 88.
MINIMUM 32. 5. 4.10 0.150 29.
DATE OF MINIMUM 1986-11-26 1987-06-15 1987-04-29 1986-11-26 1986-08-27
10TH PERCENTILE 7. 6.15 0.495 47.
MEDIAN 58. 9. 7.45 1.180 81.
90TH PERCENTILE 11. 8.80 2.250 138.
MAXIMUM 106. 14. 10.40 3.400 203.
DATE OF MAXIMUM 1986-09-17 1987-07-15 1986-10-01 1986-10-15 1985-01-23
STANDARD DEVIATION 31. 2. 1.02 0.674 34.
Cl DDT LINDANE ALDRIN DIELDRIN
DISS TOTAL
17203 18002 18070 18130 18150
mg/L Cl ug/L ug/L ug/L ug/L
NO. OF L-FLAGGED VALUES 0 10 1 11 2
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 68 1 10 0 9
MEAN 79. 0.033 0.022 0.008 0.013
MINIMUM 37. 0.030 0.006 0.007 0.012
DATE OF MINIMUM 1987-08-26 1987-06-24 1987-10-14 1987-06-24 1987-06-24
10TH PERCENTILE 43. 0.030 0.006 0.007 0.012
MEDIAN 71. 0.030 0.018 0.007 0.012
90TH PERCENTILE 119. 0.030 0.038 0.007 0.012
MAXIMUM 175. 0.060 0.068 0.014 0.024
DATE OF MAXIMUM 1987-04-27 1987-12-16 1987-06-24 1987-12-16 1987-12-16
STANDARD DEVIATION 33. 0.009 0.018 0.002 0.004
K Ca Cr Mn Fe
DISS DISS TOTAL TOTAL TOTAL
19105 20103 24002 25004 26004
mg/L K mg/L Ca mg/L Cr mg/L Mn mg/L Fe
NO. OF L-FLAGGED VALUES 0 0 24 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 5 81 82 96 106
MEAN 6.7 45.061 0.013 0.26 0.86
MINIMUM 4.8 26.000 0.005 0.03 0.08
DATE OF MINIMUM 1986-11-26 1987-06-03 1985-04-03 1986-04-16 1986-02-05
10TH PERCENTILE 37.450 0.007 0.17 0.50
MEDIAN 6.8 44.500 0.010 0.23 0.73
90TH PERCENTILE 52.500 0.021 0.34 1.25
MAXIMUM 8.6 59.500 0.070 1.55 4.18
DATE OF MAXIMUM 1986-09-17 1987-05-20 1987-07-29 1986-05-14 1987-03-25
STANDARD DEVIATION 1.7 6.037 0.008 0.15 0.49
Ni Cu Zn As Cd
TOTAL TOTAL TOTAL TOTAL TOTAL
28001 29006 30004 33003 48001
mg/L Ni mg/L Cu mg/L Zn mg/L As mg/L Cd
NO. OF L-FLAGGED VALUES 0 0 0 1 6
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 103 103 103 0 97
MEAN 0.009 0.010 0.038 0.000 0.203
MINIMUM 0.005 0.003 0.013 0.000
DATE OF MINIMUM 1985-04-17 1986-08-06 1985-08-07 1987-05-15
10TH PERCENTILE 0.006 0.006 0.020 0.022
MEDIAN 0.009 0.008 0.032 0.160
90TH PERCENTILE 0.013 0.015 0.057 0.388
MAXIMUM 0.019 0.031 0.185 0.910
DATE OF MAXIMUM 1987-12-16 1987-03-25 1987-03-25 1986-07-23
STANDARD DEVIATION 0.003 0.005 0.022 0.178
Ba Hg Pb Pb INST
TOTAL DISS TOTAL DISS DISCHG
80011 80111 82001 82101 97160
ug/L Hg ug/L Hg mg/L Pb mg/L Pb m3/S
NO. OF L-FLAGGED VALUES 33 2 2 1 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 49 1 101 0 137
MEAN 0.254 0.077 0.011 0.007 35.2
MINIMUM 0.050 0.003 7.2
DATE OF MINIMUM 1985-12-11 1986-07-09 1986-09-24
10TH PERCENTILE 0.063 0.004 11.6
MEDIAN 0.100 0.008 26.0
90TH PERCENTILE 0.224 0.021 68.1
MAXIMUM 6.750 0.056 172.4
DATE OF MAXIMUM 1987-05-26 1987-11-23 1985-01-30
STANDARD DEVIATION 0.879 0.010 26.5
STATION - RIVER TWEED ABOVE GALAFOOT STATION NO. 027008
COUNTRY - UNITED KINGDOM DEPTH(M) 0.6
LOCATION - OCT. 0 LAT. 55/36/12 LONG. 002/46/43 ELEVATION(M) 91.7
REGIONAL CENTRE - EURA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-01-03 TO 1987-12-29
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NO3-N NH3
COND
02041 02061 07105 07314 07554
us/cm deg C 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 51 147 51 148 148
MEAN 140. 8.7 1.22 1.22 0.08
MINIMUM 86. 0.0 0.60 0.50 0.02
DATE OF MINIMUM 1987-12-29 1985-12-30 1987-09-23 1986-06-10 1985-09-04
10TH PERCENTILE 111. 3.0 0.80 0.80 0.03
MEDIAN 144. 9.0 1.15 1.15 0.08
90TH PERCENTILE 159. 14.5 1.69 1.70 0.13
MAXIMUM 199. 19.0 2.50 3.45 0.17
DATE OF MAXIMUM 1987-12-15 1987-07-07 1987-01-16 1985-07-31 1986-08-05
STANDARD DEVIATION 20. 4.6 0.37 0.39 0.04
PERCENT O2 BOD PERM V pH
DO SAT DISS
08001 08101 08201 08401 10301
PERCENT mg/L O2 mg/L O2 mg/L O2 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 51 144 51 147 51
MEAN 98. 11.6 2. 3. 7.9
MINIMUM 71. 9.1 1. 1. 7.3
DATE OF MINIMUM 1987-12-21 1985-10-02 1987-10-20 1985-01-15 1987-01-06
10TH PERCENTILE 88. 9.8 1. 1. 7.4
MEDIAN 95. 11.4 2. 2. 7.8
90TH PERCENTILE 109. 13.4 3. 6. 8.6
MAXIMUM 137. 16.9 3. 19. 9.2
DATE OF MAXIMUM 1987-05-13 1985-05-07 1987-12-29 1985-07-23 1987-05-13
STANDARD DEVIATION 11. 1.5 1. 2. 0.4
pH SUSP SOL Si SULPHATE SULPHATE
105 DEG REACTIVE
10302 10401 14101 16301 16309
pH UNITS mg/L mg/LSiO2 mg/L SO4 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 145 149 51 145 51
MEAN 7.9 6. 4.25 8. 9.
MINIMUM 7.0 1. 0.75 3. 7.
DATE OF MINIMUM 1985-12-23 1985-02-20 1987-05-27 1986-03-25 1987-09-23
10TH PERCENTILE 7.3 1. 1.96 6. 8.
MEDIAN 7.8 3. 4.28 8. 8.
90TH PERCENTILE 8.5 11. 5.95 10. 10.
MAXIMUM 9.9 60. 6.63 26. 11.
DATE OF MAXIMUM 1985-05-07 1986-10-30 1987-12-21 1986-10-07 1987-02-09
STANDARD DEVIATION 0.5 8. 1.51 2. 1.
Cl FAEC COL INST
DISS DISCHG
17204 36012 97160
mg/L Cl No/100ml m3/S
NO. OF L-FLAGGED VALUES 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 148 117 125
MEAN 12. 1603. 40.4
MINIMUM 6. 100. 7.3
DATE OF MINIMUM 1987-09-23 1987-03-03 1986-07-22
10TH PERCENTILE 8. 300. 11.4
MEDIAN 12. 1200. 25.4
90TH PERCENTILE 14. 3000. 85.9
MAXIMUM 22. 11000. 201.4
DATE OF MAXIMUM 1986-02-17 1985-07-23 1986-12-09
STANDARD DEVIATION 3. 1565. 36.2
STATION - RIVER CARRON STATION NO. 027009
COUNTRY - UNITED KINGDOM DEPTH(M) 0.8
LOCATION - OCT. 0 LAT. 57/26/18 LONG. 005/26/51 ELEVATION(M) 3.5
REGIONAL CENTRE - EURA WATER TYPE RIVER
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-01-15 TO 1987-12-10
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP NO3NO2 NO2-N NO3-N
COND
02041 02061 07105 07207 07313
us/cm deg C mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 13 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 34 36 12 23 34
MEAN 39. 8.1 0.06 0.00 0.06
MINIMUM 22. 2.0 0.03 0.00 0.03
DATE OF MINIMUM 1985-07-17 1985-02-14 1987-09-23 1986-01-29 1986-10-27
10TH PERCENTILE 27. 2.6 0.03 0.00 0.04
MEDIAN 37. 7.8 0.06 0.00 0.06
90TH PERCENTILE 50. 13.2 0.09 0.01 0.10
MAXIMUM 75. 16.6 0.10 0.01 0.11
DATE OF MAXIMUM 1986-01-29 1987-07-23 1987-12-10 1985-12-17 1985-02-14
STANDARD DEVIATION 11. 4.0 0.02 0.00 0.02
NH3 NH3 PERCENT O2 BOD
DO SAT DISS
07555 07556 08001 08101 08201
mg/L N mg/L N PERCENT mg/L O2 mg/L O2
NO. OF L-FLAGGED VALUES 1 2 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 11 34 12 36 12
MEAN 0.01 0.01 94. 11.3 1.
MINIMUM 0.00 0.00 86. 9.3 0.
DATE OF MINIMUM 1987-07-23 1986-11-26 1987-11-18 1987-07-23 1987-06-23
10TH PERCENTILE 0.00 0.00 86. 10.1 0.
MEDIAN 0.01 0.01 95. 11.2 1.
90TH PERCENTILE 0.01 0.01 98. 12.7 1.
MAXIMUM 0.01 0.03 101. 13.7 2.
DATE OF MAXIMUM 1987-03-17 1985-12-17 1987-08-19 1986-02-12 1987-09-23
STANDARD DEVIATION 0.00 0.01 4. 1.1 0.
COD ALK ALK pH pH
TOTAL TOTAL
08301 10101 10102 10301 10302
mg/L O2 mg/L mg/L pH UNITS pH UNITS
NO. OF L-FLAGGED VALUES 14 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 21 12 36 12 34
MEAN 8. 4.12 0.06 6.5 6.4
MINIMUM 5. 1.70 0.00 6.1 5.4
DATE OF MINIMUM 1985-02-14 1987-01-20 1985-07-17 1987-09-23 1986-01-29
10TH PERCENTILE 5. 1.74 0.00 6.1 5.7
MEDIAN 8. 4.35 0.00 6.4 6.5
90TH PERCENTILE 12. 6.55 0.13 6.8 6.9
MAXIMUM 24. 6.80 0.20 6.9 7.1
DATE OF MAXIMUM 1985-08-20 1987-12-10 1985-02-14 1987-12-10 1986-07-09
STANDARD DEVIATION 4. 1.86 0.07 0.2 0.5
SUSP SOL Na Mg SULPHATE Cl
105 DEG DISS DISS DISS
10401 11102 12103 16309 17204
mg/L mg/L Na mg/L Mg mg/L SO4 mg/L Cl
NO. OF L-FLAGGED VALUES 5 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 30 12 12 12 36
MEAN 1. 4. 1. 1. 10.
MINIMUM 0. 3. 1. 0. 4.
DATE OF MINIMUM 1985-04-23 1987-09-23 1987-01-20 1987-05-20 1985-09-24
10TH PERCENTILE 0. 3. 1. 0. 6.
MEDIAN 1. 4. 1. 1. 9.
90TH PERCENTILE 3. 4. 1. 2. 13.
MAXIMUM 5. 5. 1. 3. 26.
DATE OF MAXIMUM 1985-07-17 1987-06-23 1987-12-10 1987-06-23 1986-01-29
STANDARD DEVIATION 1. 1. 0. 1. 4.
K Ca Cr Ni Cu
DISS DISS TOTAL TOTAL TOTAL
19102 20101 24002 28001 29006
mg/L K mg/L Ca mg/L Cr mg/L Ni mg/L Cu
NO. OF L-FLAGGED VALUES 0 0 12 12 29
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 12 12 0 0 7
MEAN 0.3 1.708 0.001 0.008 0.004
MINIMUM 0.1 0.900 0.001 0.008 0.001
DATE OF MINIMUM 1987-04-14 1987-01-20 1987-01-20 1987-01-20 1986-04-23
10TH PERCENTILE 0.1 0.920 0.001 0.008 0.001
MEDIAN 0.3 1.800 0.001 0.008 0.001
90TH PERCENTILE 0.4 2.480 0.001 0.008 0.007
MAXIMUM 0.4 2.600 0.001 0.008 0.007
DATE OF MAXIMUM 1987-12-10 1987-12-10 1987-12-10 1987-12-10 1986-03-18
STANDARD DEVIATION 0.1 0.605 0.000 0.000 0.003
Zn As Cd Ba Ba
TOTAL TOTAL TOTAL TOTAL TOTAL
30004 33007 48001 80011 80016
mg/L Zn mg/L As mg/L Cd ug/L Hg ug/L Hg
NO. OF L-FLAGGED VALUES 13 12 29 31 10
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 23 0 7 4 2
MEAN 0.003 0.003 0.222 0.112 0.021
MINIMUM 0.001 0.003 0.000 0.010 0.020
DATE OF MINIMUM 1985-02-14 1987-01-20 1987-01-20 1985-08-20 1987-01-20
10TH PERCENTILE 0.001 0.003 0.100 0.020 0.020
MEDIAN 0.002 0.003 0.200 0.020 0.020
90TH PERCENTILE 0.005 0.003 0.300 0.530 0.020
MAXIMUM 0.025 0.003 0.400 0.800 0.030
DATE OF MAXIMUM 1985-06-20 1987-12-10 1987-07-23 1985-01-15 1987-08-19
STANDARD DEVIATION 0.005 0.000 0.083 0.199 0.003
Pb INST
TOTAL DISCHG
82001 97160
mg/L Pb m3/S
NO. OF L-FLAGGED VALUES 33 0
NO. OF G-FLAGGED VALUES 0 0
NO. OF UNFLAGGED VALUES 3 36
MEAN 0.002 12.6
MINIMUM 0.001 1.1
DATE OF MINIMUM 1985-07-17 1985-02-14
10TH PERCENTILE 0.002 1.3
MEDIAN 0.002 4.6
90TH PERCENTILE 0.002 39.5
MAXIMUM 0.003 62.5
DATE OF MAXIMUM 1985-06-20 1986-10-27
STANDARD DEVIATION 0.000 16.2
STATION - LOUGH NEAGH STATION NO. 027010
COUNTRY - UNITED KINGDOM DEPTH(M) 10.0
LOCATION - OCT. 0 LAT. 54/37/05 LONG. 006/25/50 ELEVATION(M) 12.0
REGIONAL CENTRE - EURA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-01-02 TO 1987-12-29
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
INTEG ELEC NO3NO2 pH SUSP SOL
SAMPLE COND 105 DEG
00190 02041 07105 10302 10401
N/A us/cm mg/L N 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 154 154 154 154 151
MEAN 1. 315. 0.37 8.4 8.
MINIMUM 1. 288. 0.01 7.3 3.
DATE OF MINIMUM 1985-01-02 1987-09-28 1986-07-07 1985-08-29 1985-01-14
10TH PERCENTILE 1. 297. 0.02 7.9 5.
MEDIAN 1. 316. 0.34 8.3 8.
90TH PERCENTILE 1. 330. 0.79 8.9 12.
MAXIMUM 1. 368. 1.19 9.2 18.
DATE OF MAXIMUM 1987-12-29 1985-09-02 1985-03-11 1987-06-22 1987-04-06
STANDARD DEVIATION 0. 13. 0.30 0.4 3.
Si PO4-P
REACTIVE SOL
14101 15254
mg/LSiO2 mg/L PO4
NO. OF L-FLAGGED VALUES 0 0
NO. OF G-FLAGGED VALUES 0 0
NO. OF UNFLAGGED VALUES 153 147
MEAN 3.87 0.039
MINIMUM 0.04 0.000
DATE OF MINIMUM 1986-04-14 1986-04-07
10TH PERCENTILE 0.12 0.002
MEDIAN 4.15 0.049
90TH PERCENTILE 7.49 0.065
MAXIMUM 9.76 0.092
DATE OF MAXIMUM 1985-01-02 1985-10-28
STANDARD DEVIATION 2.90 0.025
STATION - RUTLAND WATER RESERVOIR STATION NO. 027011
COUNTRY - UNITED KINGDOM DEPTH(M) 10.7
LOCATION - OCT. 0 LAT. 52/39/25 LONG. 000/37/29 ELEVATION(M) 83.2
REGIONAL CENTRE - EURA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-03-11 TO 1987-12-01
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
TEMP CHLORO A NO3NO2 NO2-N NH3
02061 06711 07105 07207 07555
deg C mg/L mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 0 0 0 0 1
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 49 54 52 0 0
MEAN 10.9 13.1088 2.90 0.12 0.05
MINIMUM 2.5 0.4000 1.40
DATE OF MINIMUM 1987-02-23 1985-07-23 1985-11-04
10TH PERCENTILE 4.0 2.8400 1.68
MEDIAN 10.5 8.6000 2.97
90TH PERCENTILE 15.5 23.0300 4.15
MAXIMUM 18.0 67.6000 4.50
DATE OF MAXIMUM 1986-06-30 1985-03-18 1986-04-21
STANDARD DEVIATION 4.1 13.2072 0.82
NH3 PERCENT pH pH Si
DO SAT REACTIVE
07556 08001 10301 10302 14101
mg/L N PERCENT pH UNITS pH UNITS mg/LSiO2
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 2 1 1 66
MEAN 0.05 94. 8.7 8.7 1.63
MINIMUM 0.08
DATE OF MINIMUM 1985-03-25
10TH PERCENTILE 0.41
MEDIAN 1.45
90TH PERCENTILE 3.10
MAXIMUM 4.93
DATE OF MAXIMUM 1987-10-14
STANDARD DEVIATION 1.06
PO4-P SULPHATE Cl
SOL DISS
15254 16304 17201
mg/L PO4 mg/L SO4 mg/L Cl
NO. OF L-FLAGGED VALUES 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 53 1 20
MEAN 0.094 133. 55.
MINIMUM 0.033 51.
DATE OF MINIMUM 1987-04-27 1987-07-28
10TH PERCENTILE 0.054 51.
MEDIAN 0.098 55.
90TH PERCENTILE 0.126 57.
MAXIMUM 0.188 59.
DATE OF MAXIMUM 1985-12-16 1987-09-21
STANDARD DEVIATION 0.029 2.
STATION - TUNSTALL RESERVOIR STATION NO. 027012
COUNTRY - UNITED KINGDOM DEPTH(M) 16.9
LOCATION - OCT. 0 LAT. 54/45/43 LONG. 001/53/56 ELEVATION(M) 219.5
REGIONAL CENTRE - EURA WATER TYPE LAKE
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1986-01-21 TO 1987-12-16
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC TEMP TEMP B PHENOLS
COND DISS
02041 02061 02062 05102 06532
us/cm deg C deg C mg/L B mg/L
NO. OF L-FLAGGED VALUES 0 0 0 0 5
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 15 7 5 1
MEAN 105. 7.5 8.0 0.0 0.009
MINIMUM 82. 0.5 1.0 0.0 0.002
DATE OF MINIMUM 1987-05-20 1986-02-18 1987-02-17 1987-02-17 1986-07-28
10TH PERCENTILE 0.8
MEDIAN 102. 6.5 6.5 0.0 0.010
90TH PERCENTILE 12.8
MAXIMUM 144. 16.0 16.0 0.1 0.010
DATE OF MAXIMUM 1986-12-16 1987-08-18 1987-08-18 1987-11-17 1987-11-17
STANDARD DEVIATION 20. 4.4 5.1 0.0 0.003
CN CHLORO A NO3NO2 NO2-N NH3
06606 06711 07105 07207 07555
mg/L Cn mg/L mg/L N mg/L N mg/L N
NO. OF L-FLAGGED VALUES 4 0 1 8 8
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 1 4 16 7 9
MEAN 0.010 1.8200 0.42 0.01 0.03
MINIMUM 0.010 0.9000 0.03 0.00 0.00
DATE OF MINIMUM 1986-11-18 1987-02-17 1986-02-18 1986-08-21 1986-02-18
10TH PERCENTILE 0.23 0.00 0.00
MEDIAN 0.010 1.4000 0.41 0.01 0.02
90TH PERCENTILE 0.52 0.02 0.06
MAXIMUM 0.010 4.1000 0.66 0.02 0.18
DATE OF MAXIMUM 1987-11-17 1987-05-20 1986-03-19 1987-11-17 1986-11-18
STANDARD DEVIATION 0.000 1.3293 0.13 0.01 0.04
PERCENT O2 O2 BOD COD
DO SAT DISS DISS
08001 08101 08102 08201 08301
PERCENT mg/L O2 mg/L O2 mg/L O2 mg/L O2
NO. OF L-FLAGGED VALUES 0 0 0 0 1
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 8 8 18 8 0
MEAN 87. 10.2 10.5 1. 10.
MINIMUM 79. 8.5 8.5 0.
DATE OF MINIMUM 1987-02-17 1987-09-15 1987-09-15 1987-08-18
10TH PERCENTILE 8.7
MEDIAN 88. 10.4 10.4 1.
90TH PERCENTILE 12.1
MAXIMUM 95. 11.8 13.2 2.
DATE OF MAXIMUM 1987-03-17 1987-01-21 1986-02-18 1987-05-20
STANDARD DEVIATION 5. 1.2 1.4 1.
PERM V F ALK pH pH
DISS TOTAL
08401 09105 10102 10301 10302
mg/L O2 mg/L F 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 5 5 18 12 24
MEAN 6. 0.1 6.41 7.2 6.9
MINIMUM 3. 0.1 0.10 6.8 5.9
DATE OF MINIMUM 1987-05-20 1986-11-18 1987-04-28 1987-01-21 1986-06-30
10TH PERCENTILE 0.18 6.8 6.2
MEDIAN 5. 0.1 0.30 7.1 6.9
90TH PERCENTILE 17.00 7.6 7.6
MAXIMUM 8. 0.1 18.00 7.7 7.7
DATE OF MAXIMUM 1987-09-15 1987-11-17 1987-09-15 1987-10-22 1987-10-22
STANDARD DEVIATION 2. 0.0 7.41 0.3 0.5
SUSP SOL Na Na Mg Si
105 DEG DISS DISS DISS REACTIVE
10401 11102 11105 12102 14101
mg/L mg/L Na mg/L Na mg/L Mg mg/LSiO2
NO. OF L-FLAGGED VALUES 3 0 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 14 4 5 5 4
MEAN 4. 4. 4. 4. 2.94
MINIMUM 1. 3. 3. 2. 2.50
DATE OF MINIMUM 1986-07-28 1987-11-17 1987-11-17 1987-09-15 1987-05-20
10TH PERCENTILE 1.
MEDIAN 3. 4. 4. 3. 2.88
90TH PERCENTILE 6.
MAXIMUM 21. 4. 5. 6. 3.48
DATE OF MAXIMUM 1987-05-20 1987-05-20 1986-11-18 1986-11-18 1987-11-17
STANDARD DEVIATION 5. 1. 1. 1. 0.40
PO4-P P SULPHATE SULPHATE Cl
SOL TOTAL DISS
15254 15405 16301 16303 17203
mg/L PO4 mg/L P mg/L SO4 mg/L SO4 mg/L Cl
NO. OF L-FLAGGED VALUES 10 1 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 6 4 7 4 16
MEAN 0.017 0.020 18. 18. 12.
MINIMUM 0.002 0.010 8. 8. 7.
DATE OF MINIMUM 1987-08-18 1986-11-18 1987-11-17 1987-11-17 1987-11-17
10TH PERCENTILE 0.003 8.
MEDIAN 0.010 0.010 17. 18. 10.
90TH PERCENTILE 0.018 18.
MAXIMUM 0.120 0.050 29. 29. 20.
DATE OF MAXIMUM 1986-12-16 1987-11-17 1987-05-20 1987-05-20 1986-02-18
STANDARD DEVIATION 0.028 0.017 7. 9. 4.
P,P-DDT DDT P,P-DDE LINDANE ALDRIN
TOTAL
18000 18002 18020 18070 18130
ug/L ug/L ug/L ug/L ug/L
NO. OF L-FLAGGED VALUES 3 0 3 0 3
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 1 3 1 3 4
MEAN 2.500 0.002 0.700 0.001 0.286
MINIMUM 2.500 0.700 0.001
DATE OF MINIMUM 1986-11-18 1986-11-18 1987-02-17
10TH PERCENTILE
MEDIAN 2.500 0.700 0.500
90TH PERCENTILE
MAXIMUM 2.500 0.700 0.500
DATE OF MAXIMUM 1987-11-17 1987-11-17 1987-02-17
STANDARD DEVIATION 0.000 0.000 0.267
DIELDRIN PCBS BHC K K
DISS DISS
18150 18165 18814 19102 19105
ug/L ug/L ug/L mg/L K mg/L K
NO. OF L-FLAGGED VALUES 3 3 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 4 0 4 4 5
MEAN 0.400 0.005 0.700 1.0 1.0
MINIMUM 0.001 0.400 0.9 0.9
DATE OF MINIMUM 1987-02-17 1987-11-17 1987-02-17 1987-02-17
10TH PERCENTILE
MEDIAN 0.700 0.550 0.9 1.0
90TH PERCENTILE
MAXIMUM 0.700 1.300 1.2 1.2
DATE OF MAXIMUM 1987-02-17 1986-11-18 1987-11-17 1987-11-17
STANDARD DEVIATION 0.374 0.408 0.1 0.2
Ca Cr Cr Mn Mn
DISS TOTAL DISS TOTAL DISS
20103 24002 24052 25004 25104
mg/L Ca mg/L Cr mg/L Cr mg/L Mn mg/L Mn
NO. OF L-FLAGGED VALUES 0 4 4 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 5 1 1 11 6
MEAN 8.880 0.010 0.010 0.09 0.04
MINIMUM 7.200 0.010 0.010 0.02 0.01
DATE OF MINIMUM 1987-02-17 1986-11-18 1986-11-18 1987-06-29 1986-07-28
10TH PERCENTILE 0.02
MEDIAN 8.800 0.010 0.010 0.07 0.03
90TH PERCENTILE 0.15
MAXIMUM 10.800 0.010 0.010 0.22 0.12
DATE OF MAXIMUM 1987-11-17 1987-11-17 1987-11-17 1987-05-20 1987-02-17
STANDARD DEVIATION 1.397 0.000 0.000 0.06 0.04
Fe Fe Cu Cu Zn
TOTAL DISS TOTAL DISS TOTAL
26004 26104 29006 29106 30004
mg/L Fe mg/L Fe mg/L Cu mg/L Cu mg/L Zn
NO. OF L-FLAGGED VALUES 0 0 1 2 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 7 6 4 3 4
MEAN 0.43 0.21 0.016 0.008 0.033
MINIMUM 0.02 0.14 0.003 0.003 0.010
DATE OF MINIMUM 1987-12-16 1987-05-20 1987-05-20 1987-05-20 1986-07-28
10TH PERCENTILE
MEDIAN 0.43 0.16 0.015 0.007 0.022
90TH PERCENTILE
MAXIMUM 0.98 0.35 0.030 0.017 0.080
DATE OF MAXIMUM 1987-05-20 1987-11-17 1987-02-17 1987-02-17 1987-09-15
STANDARD DEVIATION 0.32 0.09 0.011 0.006 0.028
Zn FAEC COL Cd Cd Ba
DISS TOTAL DISS TOTAL
30104 36012 48001 48101 80011
mg/L Zn No/100ml mg/L Cd mg/L Cd ug/L Hg
NO. OF L-FLAGGED VALUES 0 1 1 1 2
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 3 0 1 1 2
MEAN 0.026 10. 0.050 0.050 0.300
MINIMUM 0.100
DATE OF MINIMUM 1986-11-18
10TH PERCENTILE
MEDIAN 0.100
90TH PERCENTILE
MAXIMUM 0.900
DATE OF MAXIMUM 1987-11-17
STANDARD DEVIATION 0.400
Hg Pb Pb
DISS TOTAL DISS
80111 82001 82101
ug/L Hg mg/L Pb mg/L Pb
NO. OF L-FLAGGED VALUES 2 2 4
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 1 3 1
MEAN 0.367 0.010 0.005
MINIMUM 0.003 0.003
DATE OF MINIMUM 1987-05-20 1987-05-20
10TH PERCENTILE
MEDIAN 0.010 0.003
90TH PERCENTILE
MAXIMUM 0.019 0.010
DATE OF MAXIMUM 1987-02-17 1986-11-18
STANDARD DEVIATION 0.006 0.003
STATION - PATCHAM PUMPING STATION STATION NO. 027013
COUNTRY - UNITED KINGDOM DEPTH(M) 40.1
LOCATION - OCT. 0 LAT. 50/52/59 LONG. 000/09/39 ELEVATION(M) 19.5
REGIONAL CENTRE - EURA WATER TYPE GROUNDWATER
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1986-12-15 TO 1987-11-04
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
NO3NO2 NH3 ALK pH Na
TOTAL DISS
07105 07556 10102 10302 11102
mg/L N mg/L N mg/L pH UNITS mg/L Na
NO. OF L-FLAGGED VALUES 0 4 0 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 4 1 5 5 5
MEAN 3.88 0.02 3.56 7.6 12.
MINIMUM 2.90 0.02 3.50 7.5 12.
DATE OF MINIMUM 1986-12-15 1986-12-15 1987-05-18 1987-03-12 1987-07-22
10TH PERCENTILE
MEDIAN 4.00 0.02 3.50 7.6 12.
90TH PERCENTILE
MAXIMUM 4.60 0.02 3.70 7.9 13.
DATE OF MAXIMUM 1987-07-22 1987-11-04 1986-12-15 1987-07-22 1987-03-12
STANDARD DEVIATION 0.73 0.00 0.09 0.2 0.
SULPHATE Mn Fe
TOTAL TOTAL
16303 25004 26002
mg/L SO4 mg/L Mn mg/L Fe
NO. OF L-FLAGGED VALUES 0 5 2
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 2 0 3
MEAN 16. 0.00 0.01
MINIMUM 14. 0.00 0.00
DATE OF MINIMUM 1987-05-18 1986-12-15 1987-03-12
10TH PERCENTILE
MEDIAN 16. 0.00 0.01
90TH PERCENTILE
MAXIMUM 17. 0.00 0.01
DATE OF MAXIMUM 1987-11-04 1987-11-04 1987-11-04
STANDARD DEVIATION 1. 0.00 0.00
STATION - SOUTH YORKSHIRE AQUIFER STATION NO. 027014
COUNTRY - UNITED KINGDOM DEPTH(M) 138.0
LOCATION - OCT. 0 LAT. 53/27/33 LONG. 001/00/12 ELEVATION(M) 25.4
REGIONAL CENTRE - EURA WATER TYPE GROUNDWATER
PERIOD REQUESTED FROM - 1985-01-01 TO 1987-12-31
PERIOD OF RECORD FROM - 1985-09-09 TO 1987-12-29
STATISTICS INCLUDE ALL FLAGGED DATA AS REPORTED
ELEC NO2-N NH3 ALK pH
COND TOTAL
02041 07207 07555 10102 10302
us/cm mg/L N mg/L N mg/L pH UNITS
NO. OF L-FLAGGED VALUES 0 34 92 0 0
NO. OF G-FLAGGED VALUES 0 0 0 0 0
NO. OF UNFLAGGED VALUES 106 2 13 9 107
MEAN 344. 0.01 0.01 2.10 7.9
MINIMUM 307. 0.01 0.01 2.00 7.4
DATE OF MINIMUM 1985-09-09 1987-01-05 1985-09-09 1987-07-28 1986-05-28
10TH PERCENTILE 321. 0.01 0.01 7.8
MEDIAN 342. 0.01 0.01 2.10 7.9
90TH PERCENTILE 367. 0.01 0.01 8.0
MAXIMUM 387. 0.02 0.12 2.20 8.4
DATE OF MAXIMUM 1987-08-18 1987-08-04 1986-10-06 1987-06-30 1987-02-02
STANDARD DEVIATION 20. 0.00 0.01 0.05 0.1
Cl Fe FAEC COL
DISS TOTAL
17201 26002 36012
mg/L Cl mg/L Fe No/100ml
NO. OF L-FLAGGED VALUES 0 62 0
NO. OF G-FLAGGED VALUES 0 0 0
NO. OF UNFLAGGED VALUES 16 44 0
MEAN 21. 0.01 0.
MINIMUM 19. 0.01 0.
DATE OF MINIMUM 1986-06-02 1985-11-11 1985-09-09
10TH PERCENTILE 19. 0.01 0.
MEDIAN 21. 0.01 0.
90TH PERCENTILE 23. 0.03 0.
MAXIMUM 24. 0.07 0.
DATE OF MAXIMUM 1986-09-15 1986-03-17 1986-12-29
STANDARD DEVIATION 1. 0.01 0.
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