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ENERGY FUELS COAL, INC. <br />SOUTHFIELD MINE <br />ANNUAL HYDROLOGY MONITORING PROGRAM <br />DATA SUMMARY <br />(JUNE, 1988 THROUGH JUNE, 1969) <br />INTRODUCTION <br />Southfield's required surface and groundwater monitoring continu- <br />ed on a quarterly basis for the period of record of this report. <br />The surface water monitoring program requires field measurements <br />and sample collection at Newlin Creek and Magpie Creek at the <br />Mine site, and Oak Creek at the.loadout facility near Florence. <br />Samples are taken only if flow is present on the date of monitor- <br />ing. Groundwater monitoring requires quarterly measurements of <br />well water levels and semi-annual samples from each well. <br />Attached to this report are all streamflow field and laboratory <br />data; groundwater well levels data; and groundwater field and <br />laboratory data. All data for the period of record are summariz- <br />ed with all previous monitoring data available as of the date of <br />this report. Quality and quantity information for all water <br />discharges from the permit area is presented in the Annual Report <br />~, of Inflows, Discharges and Consumption of water within the Mine. <br />SURFACE WATER <br />Newlin Creek <br />All data collected at Newlin Creek to the ending date of this <br />report are presented in Table 14, streamflow Measurements; and <br />Table 15, Watec Quality Data, Newlin Creek. streamflow data <br />indicates the surface water in Newlin Creek is present only dur- <br />ing spring runoff, as the total surface and subsurface flow is <br />diverted above the Mine permit area by the City of Florence all <br />year. As shown on Table 14, spring flow quantity has declined in <br />recent years reflecting the reduced snowpack level in the <br />drainage basin. Comparison of quality data for the period of <br />record with that of previous years indicates no significant <br />impacts due to mining operations. <br />Magpie Creek <br />All data collected at Magpie Creek to the ending date of this <br />report are shown on Table 14, streamflow Measurements. No Elow <br />was observed in Magpie Creek for the reporting period, therefore <br />no quality data are available, Previous quality data were ob- <br />tained during one flow event in May, 1985, and are available in <br />the 1985 Annual Hydrologic Report. <br />. Oak Creek <br />All data collected at Oak Creek to the ending date of this report <br />are presented in Table 14, streamflow Measurements, and Table 16; <br />