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<br />F. Falston Creek Flow Data <br />Runoff data records compiled by the Denver Water Board for a Ralston <br />Creek gaging station downstream from the ore sorter are tabulated in <br />Table 2.2-3. These data consistently demonstrate that peak flows in the <br />Ralston Creek valley occur during the May-June time frame, and are consistently <br />less than 25% of the peak flow predicted fora 100 year storm downstream from <br />the ore sorter. It should be noted that runoff flow data for 1976 given in <br />Table 2.2-3 are consistent with the precipitation data given in Table 2.3-1. <br />Table 2.2-3 <br />Ralston Creek Flow Data <br />Acre-Feet Per Month <br />• Jan Feb Mar Air M~y Jun July. ,Aug Sept Ocr Nov Dec <br />1975 190 150 200 400 600 1950 400 125 50 10() 100 - <br />1976 50 50 50 350 750 375 100 150 200 300 300 275 <br />1977 275 200 200 225 900 275 175 190 90 75 100 150 <br />1978 125 125 175 225 975 400 100 100 <br />From study conducted by Hazen <br />(Project 4578) for Cotter Corp, <br />M <br />• <br />2-13 <br />