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<br />Water Quality <br /> <br />There are two water quality stations' in former Water District <br /> <br />No,. '9. The downstream station is located on Bear Creek at the Arapahoe- <br /> <br />Jefferson County line approximately 1.3 river miles above the mouth, and <br /> <br />the upstream station is located on Bear Creek approximately 0.5 river <br /> <br />miles above Idledale. The downstream station has a period of record <br /> <br />from January 1968 to present and the upstream station has a period of <br /> <br />record of December 1971 to present. Tables 13 and 14 were prepared from <br /> <br />Colorado Department of Health records and present the results of water <br /> <br />quality analysis for selected parameters for the above mentioned stations. <br /> <br />The water quality of Bear Creek is generally quIte good, parti- <br /> <br />cularly above Morrison. Downstream of Morrison the adverse effects of <br /> <br />agricultural return flows and urban runoff on water quality become apparent. <br /> <br />J, <br /> <br />-30- <br /> <br />~, ~, <br /> <br />:_"_-..........,...". .~"'.-;.l <br /> <br />... "......~ ;.. . <br /> <br />-~. ~- <br />