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• Goodsorina Creek <br />BIIRFACE WATER <br />As of February, 1993, the Upper Goodspring Creek (UGC) <br />monitoring site ceased to be utilized as the monitoring site <br />for undisturbed conditions upstream of mining, having been <br />superseded by the New Upper Goodspring Creek (NUGC) monitoring <br />site. Water sampling of the NUGC monitoring site commenced in <br />October, 1992, allowing an overlap of data for comparison with <br />the replaced UGC monitoring site. Comparisons between NUGC <br />and UGC monitoring sites show an across the board reduction in <br />concentrations for parameters tested. Keep in mind that this <br />data is indicative of natural background conditions not <br />influenced by mining activities since water sampling occurred <br />• prior to expansion of mining activities which could in any way <br /> influence the water chemistry of this stretch of Goodspring <br />Creek. Note also that the NUGC monitoring site is upstream of <br />both James and Elkhorn Creeks, both perennial tributaries to <br />Goodspring Creek, which would have some impact to water <br />chemistry at the UGC monitoring site. <br />On May 16, 1993, the Goodspring Creek drainage <br />experienced a rainfall event of tremendous proportions. For <br />comparison sake, recorded flow data at the Lower Goodspring <br />Creek (LGC) monitoring site since 1982 shows a maximum flow of <br />44.05 cfs with a mean flow of 5 cfs, Measured and calculated <br />flows at this same site on May 16th showed a maximum flow of <br />153 cfs. Needless to say, many changes occurred to the <br />• <br />2 <br />