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Table Wq01: Water Quality Data for Big River Basin Streams

Table Wq01:  Water Quality Data for Big River Basin Streams

Water quality data for Big River basin streams taken from USGS gaging stations (USGS,1993).
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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