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RT = 2.2 (.2) +3.7 (,3) + 0.7 (.5) '~ <br />RT 1.9X <br />The landowner overvinters 30 ewes (i. e., 6 animal units); a 1.9X predicted production loss <br />is less than the 3X criterion for small operations presented in the CMLRD guidance <br />datument. Therefore, the projected increase in TDS levels in Dry Creek will have e <br />negligible impact on grass hay production in the subirrigeted fields. <br />The overall significance of the impact to the Dry Creek alluvial aquifer viii be minimal. <br />The alluvial ground eater has a slow movement rate, and the undisturbed alluvial aquifer <br />is marginal to unsuitable (Olson~s stock 4ell (5-45) exceeded the Hg limit for stock eater <br />antl the irrigation limits for Cd, conductivity, Fe, Mn, Mo, and 2n) for stock voter use <br />and the subirrigation of crops. In addition, the aquifer viii not yield sufficient eater <br />to make pumpage of alluvf al eater for irrigation purposes feasible. <br />The TDS increases in the 009 tributary and Sage Lreek alluvium will have negligible <br />significance. The 009 tributary alluvium is dry and thus, had no premining water use. <br />The limited amount of spoil discharge should only saturate the 009 alluvium to a depth of <br /> <br /> <br />48 Revisetl 04/24/91 <br />