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Table Hy02: Water Quality Data for Big River Basin Streams

Table Hy02: Water Quality Data for Big River Basin Streams

 

Station Parameter Sample Size Max Min. Mean
RICHWOODS at Big River (1986 to present) Specific conductance (us/cm) 51 598 194 419
  pH 51 8.5 7.3 8.0
  Oxygen, dissolved (mg/l) 44 17.0 5.6 10.0
  COD (mg/l) 42 126 63 91
  Fecal coliform (c/100ml) 43 5500 1 412
  Total hardness (mg/l) 22 310 170 247
  NO2+NO3, total (mg/l) 43 0.9 -- 0.3
  Nitrogen, ammonia (mg/l) 42 0.11 -- 0.03
  Phosphorus, total (mg/l) 43 0.18 0.01 0.04
  Copper, total (ug/l) 22 4.0 -- 2.0
  Copper, dissolved (ug/l) 10 6.0 1 2.7
  Iron, total (ug/l) 15 790 30 255
  Iron, dissolved (ug/l) 10 100 4 23
  Lead, total (ug/l) 15 89 8 31
  Lead, dissolved (ug/l) 32 9.0 -- 3.7
  Zinc, dissolved (ug/l) 10 47 4 20
IRONDALE at Big River (1986) Specific conductance (us/cm) 7 378 245 305
  pH 7 8.1 6.3 7.5
  Hardness, total (mg/l) 7 210 130 167
  Alkalinity (mg/l) 7 209 109 152
  Copper, dissolved (ug/l) 7 -- -- --
  Iron, dissolved (ug/l) 7 12.0 4.0 7.4
  Lead dissolved, (ug/l) 7 -- -- --
St. Francois State Park at Coonville Creek (1992 to present) Specific conductance (us/cm) 6 420 155 344
  pH 6 8.1 7.3 7.9
  Oxygen , dissolved 6 13.8 8.4 10.9
  COD (mg/l) 6 36 -- <10
  Fecal coliform (c/100ml) 6 3600 34 861
  Hardness, total (mg.l) 3 270 190 233
  NO2+NO3, total (mg/l) 6 0.13 0.04 0.07
  Nitrogen, ammonia (mg/l) 6 0.03 <0.01 0.02
  Phosphorus, total (mg/l) 6 0.04 <0.01 0.02
  Copper, total (ug/l) 3 1.0 <1.0 <1.0
  Copper, dissolved (ug/l) 7 1.0 1.0 1.0
  Iron, total (ug/l) 3 39 7 20
  Iron, dissloved (ug/l) 7 93 7 26
  Lead, total (ug/l) 3 27 5 15
  Lead, dissolved (ug/l) 3 3.0 3.0 3.0
  Zinc, dissolved (ug/l) 7 110 70 93

--below detection

Key Messages: 

Conservation pays by enriching our economy and quality of life.

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