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99 <br />Fore meter <br />Ammonis <br />Arsenic <br />Boron <br />Ced mium <br />Chloride <br />Residual Chlw ide <br />Chromium (•3) <br />Chromium (•6) <br />Copper <br />Cyanide <br />DO <br />Iron (Total) <br />~. kon (Dissolved) <br />Manganese (Total) <br />Manganese (Dissolved) <br />Ftercury (Dissolved) <br />Nickel <br />Nitrate <br />Nitrite <br />Lead <br />pH (units) m(n. <br />(units) me:. <br />A• <br />elenium <br />Silver <br />Sulfide (H2S) <br /> TAD LE 1 <br />EXLSTING WATER QUALITY OF TI1E NORTII FORIf OF TIIE GUNN15ON RIVER <br /> NEAR 5Oh1ER5ET, COLORADO <br />' 1N mg/1 UNLESS NOTED <br />In-Strcom Netw Quolity Deta for the North Fork of <br />Standard the Gunnison Rlver near Somrrse t, CO <br />North Fork USGS Cuoge Station, IYSter Yeer 1982 <br />Gunnison Itiver 07-Oct-81 08-Dec-BI 26-Jon-82 10-Oct-95 <br />0.2 0.09 0.16 . 0.3 <br />0.05 0.002 0.002 <br />0.75 ~ O.OI 0.01 O.OI <0.02 <br />o.DOls io.DDl o.oDl 0.001 <br />250 1.8 2.2 23 2 <br />0.003 <br />0.1 ~ 0.01 0.01 <0.01 <br />0.025 <br />0.005 <0.02 <br />0.005 <br />6.0 9.2 <br />1.6 2.35 <br />0.3 0.002 0.23 0.077 <br />1.0 0.01 0.01 0.09 0.09 <br />0.05 - - <br />0.00005 <br />0.05 0.005 0.002 <br />30 0.01 <br />0.05 <br />0.012 0.002 0.005 0.006 <0.02 <br />6.5 7.1 6.7 7.1 <br />9.0 ~' <br />3 0.4 0.4 0.5 0.44 <br />0.01 <0.001 <0.001 <0.002 <br />0.0001 <br />0.002 <br />Water Ycer <br />1983 <br /><0.01-0.45 <br /><O.OOI-0.0022 <br />1.5-27 <br />0.001-0.012 <br />4-14 <br /><0.01-1.6 <br /><0.001-.04 <br /><0.001-0.005 <br />6.4-7.5 <br />7.5-B.6 <br />Selected <br />Typieo l' <br />Volute <br />0.1 S ." <br />0.002 <br />0.01 <br />0.002 <br />7.0 <br />0.01 <br />0.01 <br />0.004 <br />10 <br />0.1 <br />0.1 <br />0.03 <br />0.03 <br />0.004 <br />0.01 <br />0.01 <br />0.003 <br />6.6 <br />8.0 <br />0.44 <br />0.001 <br />Sulfate 250 5.0 7.0 5.0 14.0 8 <br />' TDS• 500 86 97 147 ~ 162 TO-220 12D <br />Zinc 0.05 0.01 0.03 0.02 <br />Notes: t ~ ' <br />1) In stream standards published by the Water Resources DiJision of the Colorado Department a[ Neturel Resources (]964). <br />2) N stream standards based on total recoverable method unless noted otherwise <br />... 3) USGS data collected et guage station 09132900. Date for water year 1982 in Attachment 1. , <br />41 Data collected by West Elk Coal Company upstream o[ refuse pile in Attachments 2 and 3 <br />S) • = C51LRD standards for protection of irrigation uses <br />\• <br />~. <br />