1987-12-01_PERMIT FILE - C1981017 (250)

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TABLE III-I-1 • U . S . Forest Service Water Quality Information Crystal River - Coal Basin Analysis Total Calcium Magnesium Sulfate Water Turbidity Conductivity •Total Hardness Hardness Hardness OFP• pH Alkalinity CaCO3 CaCO Caco F J.T.U. u mhos mg/l mg/l mg/13 mg/1 3 mg/l mean 1) Crystal River 50.3 40 384 8.0 91.2 166 126 38 98.7 Above Avalanche Creek Range 33-66 2-1,200 185-760 7.7-8.5 70-123 78-310 32-262 18-64 32-240 No. of.Samples 6 7 6 6 5 7 6 6 7 mean 2) Crystal River 49.8 5.6 283 8.6 74.1 143 125 22.3' 73.8 at Placita Range 32-61 .6-22 - 155-600 8.5-9.0 60-96 67-274 54-242 12-38 20-200 No. of Samoles 5 8 6 6 5 7 6 6 1 mean 3) Bear Creek 48.0 134 263 8.6 132 114 76.6 47.4 42 at Coal Creek Range 33-56 2.4-415 46-550 8.3-9.2 56-218 47-192 32-122 15-106 9-72 No. of Samples 4 8. 6 5 4 8 6 5 7 mean - 4) Coal Creek 49.8 612 428 8.7 141.8 152.4 93.1 54.5 67.1 below plant Range 38-58 6.5-1,580 - 225-640 8.3-9.2 76-232 75-214 52-144 23-118 19-140 No. of Samples 6 12 10 6 5 10 9 9 10 _ • 5) Coal Creek mean 44.5 87 357 8.9 125 183.7 99.1 83.2 54 above plant Range 38-53 1.7-430 320-540 8.6-9.0 82-151 102-260 66-150 36-144 18-76 No. of Samples 4 8 6 4 4 8 8 8 8 mean 6) Fourmile Creek 45.2 253 _ 281 8.5 118.3 122.2 73.3 41.3 `1D A at Forest boundary Range 32-56 2.5-77 124-440 7.7-9.2 48-218 48-195 38-125 16-92 0-33 No. of Samples 4 4 - 4 4 3 4 3 3 4 mean 7) Middle Thompson 45.8 6.8 178 8.4 70.2 58.6 35.5 14 6.2 Creek at Bridge - - Range 32-63 .3-18- 75-275 7.3-9.1 41-110 2S-95 22--52 6-18 0-19 No. of Samples 5 4 5 5 4 5 4 4 5 mean 8) North Thompson 48.4 19.8 262.6 8.4 80.7 97.4 68.5 29.5 31 Creek at Bridge Range 32-68 .3-60 113-485 8.0-9.0 48-130 46-176 34-1i2 12-64 2-?8 No. of Samples 5 4 5 4 4 5 4 4 5 mean .9) North Thompson 46.6 16 178 - 79.7 - 70 50 16.4 4.4 Creek near Carbondale Range 32-61 5-46 105-260 55-110 40-100 30-72 6-34 0-11 No. of Samples 5 5 5 4 5 4 4 5 9 • -20-