Table Wq02. Water quality measurements for the Warm Fork of the Spring River below Thayer for January and July of 1970 and 1972 (USGS 1999a).
1/70 1/72 7/70 7/72
Temperature water (deg. C) 5.5 8.5 24.5 26
pH Water Whole Field (standard units) 8.1 8.1 8.3 7.9
Specific conductance (US/CM) 438 370 424 440
Oxygen dissolved (mg/l) 13.2 8.2 6.8 6
Oxygen dissolved (percent saturation) 105 70 81 73
Coliform, total immed. (cols. per 100 ml) 18
Coliform, fecal, 0.45 um-mf (cols./100 ml) 24 75 990
ANC water unfiltered fet field (mg/l as CaCO3) 261 223 242 249
ANC water unfiltered fet field (mg/l as HCO3) 320 270 300 300
ANC unfiltered carbon fet field (mg/l as CO3) 0 0 0 0
Carbon Dioxide dissolved (mg/l as CO2) 4 3.4 2.4 61
Nitrogen, Ammonia dissolved (mg/l as N) 0.05 0
Nitrogen, organic total (mg/l as N) 0.09 0.01 0.21 0.04
Nitrogen, Nitrate total (mg/l as N) 0.9 0.36
Nitrogen, Ammonia total (mg/l as N) 0 0.04
Phosphate, ortho, dissolved (mg/l as PO4) 0.04
Phosphorus total (mg/l as P) 0.24 0.02 0.15
Phosphorus dissolved (mg/l as P) 0.04 0.01 0.14
Hardness total (mg/l as CaCO3) 260 230 240 250
Calcium dissolved (mg/l as Ca) 52 46 50 57
Magnesium dissolved (mg/l as Mg) 32 27 28 26
Sodium dissolved (mg/l as Na) 2.7 1.8 1.6 2.7
Sodium adsorption ratio 0.1 0.1 0 0.1
Sodium percent 2 2 1 2
Potassium dissolved (mg/l as K) 1.4 1.5 1.4 1.8
Chloride dissolved (mg/l as Cl) 1.9 2.1 1.4 3.2
Sulfate dissloved (mg/l as SO4) 4.8 7 3.8 3.2
Fluoride dissolved (mg/l as F) 0.1 0 0.1 0.6
Silica dissolved (mg/l as SiO2) 3.8 6.4 8.2 10
Iron, dissolved (ug/l as Fe) 4 0 90 0
Manganese, dissolved (ug/l as Mn) 15 50 10 10
Methylene Blue active substance mg/l 0.02 0.03 0.03
Solids, residu at 180 deg. Dissolved (mg/l) 245 231 263
Solids, sum of constituents dissolved (mg/l) 257 244 256
Nitrogen, Ammonia dissolved (mg/l as NH4) 0.06 0
Nitrogen, Ammonia total (mg/l as NH4) 0.05
Nitrogen, Nitrate dissolved (mg/l as NO3) 0.08 2.6
Hardness noncarb WH WA tot Fl mg/l as CaCO3 0 0 0
Streptococci Fecal, (cols. per 100 ml) 16 120 320 1600

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