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Discha rpe Values <br />Stream or Dreinaee 0 cfs <br />Annand Draw (YSAF4) 0.0138 <br />Upper Grassy Creek (YSGFS) 0.1850 <br />Lower Grassy Creek (SW-S2-2) 0.2490 <br />Y-1 Tr ibutary (YSS3) 0.0099 <br />Lower Sage Creek (w55 F3) 0.259 <br />Spoil to Annand Draw 0.073 <br />Spoil to Grassy Creek 0.030 <br />Spoil to Sage Creek 0.159 <br />Chemical Loads <br />Stream or Drainace o (cfs) _ _C (mg/l)______ ___L (t/d1 <br />Annand Draw (YSAF4) 0.0138 950 0.03540 <br />Upper Grassy Creek (YSGFS) 0.1850 823 0.41109 <br /> A <br />Lower Grassy Creek (Sw-S2-2) 0.0640 2584 0.44652 <br />Y-1 Tributary (YSS3) 0.0099 864 0.02309 • <br /> <br />Loner Sage Creek (wSSF3) 0.249 641 0.43094 <br /> 0 <br />Spoil to Annand Draw 0.072988 4500 0.88680 <br />Spoil to Grassy Creek 0.029997 4500 0.36447 <br />Spoil to Sage Creek 0.158974E 4500 1.93185 <br />A <br />Difference between discharges (gain in flow) at Lower Cressy (SW-S2-2) and Upper Grassy Creeks (YSGFS) <br />g <br />Difference between discharges (gain in flow) at Lower Sage Creek (wSSF3) and Y-1 Tributary (YSS3) <br />C <br />Subtracted discharge infiltrated into alluvium (Spoil to Annand alluvium = 0.000012cfs) <br />D <br />Subtracted discharge infiltrated into alluvium (Spoil to 011 Tributary alluvium = 0.000003cfs) <br />E <br />Subtracted discharge infiltrated into alluvium (Spoil to Y-1 Tributary alluvium = 0.000026cfs) <br />Loading Calculations - Grassy Creek <br />Upper Grassy Creek and Spoil <br />DSC = 0.36447(t/d) + 0.41109(t/d) = 1337 mg/L <br />(0.0595(af/d) + 0.3669(af/d)) x 0.00136 (62X increase) <br />• <br />17-5-B Revised 06/19/95 <br />