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• <br />• <br />Table 17-2-1 <br />Low Flows, TDS and Chemical Loading Values for <br />Surface Water Monitoring Sites and Nucla and Nucla East Spoils <br />Nonitoring Flow TDS Chemical Load <br />Site Date (cfs) (mg/1) (tons/day) <br />SW-N103 04/30/87 1.75 3,356 15.8 <br />SW-N103 10/17/86 5.69 2,808 43.0 <br />SW-N1 04/10/80 0.05 2,079 0.3 <br />SW-N1 10/31/80 0.24 1,378 0.9 <br />SW-N3 04/10/80 0.59 3,284 5.2 <br />SW-N3 10/31/80 0.69 2,647 4.9 <br />San Miguel at Naturita 0 6.48 1,240* 21.6 <br /> 7-10 <br />Nucla Spoils April 0.076 3,800** 0.78 <br />Nucla Spoils October 0.238 3,600** 2.44 <br />Nucla East Spoils February 0.48 4,600 5.96 <br />Nucla East Spoil August 1.31 4,600 16.27 <br /> <br />Nucla East Pit Pumpage <br />April and October + <br />0.065 ++ <br />4,493 <br />.79 <br />* On 10/01/79 at USGS gage 90175500, 25 cfs had a TDS of 1,240 mg/1 <br />** Average TDS of spoils springs and overburden/coal wells at Nucla <br />Year 5 values from Table 77-4 in Tab 17 <br />++ <br />Flow weighted TDS value based on flow rates in Table 77-4 and average TDS values for the <br />overburden <br />~ Value derived from Table 17-2-6 of this appendix <br /> <br />