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• Table E11-4 <br />Streamflow Estimates in Analysis Area <br />c«~e~~ <br />Trout Creek <br />Trout Creek <br />Location of <br />Measurine Poin <br />NW/4, NW/4, SW/4 <br />Sec.19, TSN,R85W <br />NE/4, NE/4, NE/4 <br />Sec.25, T6N,R86W <br />Estimated <br />Discharge (cfs) <br />13 <br />9 <br />These estimates were made by timing rate of flow over <br />a measured distance and estimating average depth and width <br />of stream to determine its area. <br />Primary water use in the analysis area is for irrigation <br />of hayfields and livestock maintenance <br />Irrigation of crops in the area is accomplished by utilizing <br />• small diversion ditches in fields lying in stream floodplains. <br />Municipal-domestic utilization of water is negligible in <br />the analysis area. The few scattered family residences obtain <br />their water supplies from private wells; there are no population <br />centers which draw water from Trout Creek watershed, <br />Information on which to base an analysis of chemical water <br />quality in the Trout Creek watershed is limited. There has <br />not been any continuous water quality monitoring. The only <br />information currently available consists of random grab samples <br />(i.e., single samples taken on a particular date at a specific <br />location and from which no trends can be developed) taken by <br />a variety of interest groups. While the value of such infor- <br />mation is dubious, a cursory overview of the local water quality <br />may be drawn from data in Tables E11-5, E11-6 <br />Streams in the Trout Creek drainage are typical of most <br />streams which receive the bulk of their water yield from snow- <br />melt; their waters are essentially calcium bicarbonate with <br />a substantial amounts of sulfate present, These streams exhibit <br />their greatest conductivity values during winter, possibly due <br />I <br />I <br />I <br />53 <br />