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<br />I <br /> <br />I <br /> <br />Summary and Conclusions <br /> <br />I <br /> <br />I <br /> <br />Three aquifers were investigated for evaluation as possible sources of <br /> <br /> <br />water for the proposed Morgan County Quality Water District. These were <br /> <br /> <br />the Camp Creek alluvium, the Hay Gulch alluvium and the Lost Creek alluvium. <br /> <br /> <br />Pertinent considerations in the investigation were safe yield, present <br /> <br /> <br />water quality and dependability of water quality. <br /> <br />. <br /> <br />jl <br /> <br />i, <br />II <br />l <br />" <br /> <br />Camp Creek alluvium <br /> <br />I <br /> <br />Additional development and consumptive use of 2000 acre feet of water <br /> <br /> <br />per year is hydrologically feasible from the Camp Creek alluvium. The <br /> <br /> <br />preferred location of wells is in Sections 24 and 25, T4N, R55W in eastern <br /> <br /> <br />Morgan County. The quality is expected to be within drinking water stand- <br /> <br /> <br />ards at tris location, although some rather high nitrate levels were measured <br /> <br /> <br />nearby, These were probably a result of local contamination, but it is <br /> <br /> <br />recommended that additional sampling be done at the time test drilling is <br /> <br /> <br />conducted to specifically loca~e production wells. <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />The existence of poorer quality ground water upstream from the proposed <br /> <br /> <br />well field poses a threat to the longevity of the drinking water quality. <br /> <br /> <br />The decision to utilize the Camp Creek alluvium should be made with the full <br /> <br /> <br />awareness that a deterioration of quality may develop in approximately ten <br /> <br /> <br />years. <br /> <br />I <br /> <br />I <br /> <br />Hay Gulch alluvium <br /> <br />I <br /> <br />The Hay Gulch alluvium represents the greatest potential of the three <br /> <br /> <br />aquifers studied for providing a long-term high quality water supply. No <br /> <br /> <br />contamination sources overlie the aquifer and very little ground-water <br /> <br /> <br />development has occurred. The safe yield is limited, however, to about <br /> <br /> <br />1500 acre feet per year. Permits have recently been granted for six wells <br /> <br /> <br />in the lower portion of Hay Gulch, three of which have been drilled as of <br /> <br />December 1973. <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />Lost Creek alluvium <br /> <br />I <br /> <br />The portion of the Lost Creek alluvium north of Highway I-80S contains <br />ground water of drinking water quality. This aquifer is the largest of the <br /> <br />I <br /> <br />I <br /> <br />- 27 - <br /> <br />M. W, BITTINGER AND ASSOCIATES, INC. <br />