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<br />- , <br />" <br />, <br /> <br />~ <br /> <br />',I <br /> <br />. <br /> <br />. <br />STATE OF COLOMDO <br />- <br /> <br />COLORADO WATER CONSERVATION BOARD <br />Department of Natural Resources <br />721 State Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 : <br />Phone: (303) 866,3441 <br /> <br />M E M 0 RAN DUM <br /> <br />Ri4:hard D. lamm <br />Governor <br />J. William McDonald <br />Director <br />David W. Walker <br />Deputy Director <br /> <br />TO: <br /> <br />Gene, Dan, Slate River ISF Investigation~- <br /> <br />FROM: <br /> <br />Ruth Yeager <br /> <br />DATE: <br /> <br />April 22, 1985 <br /> <br />SUBJECT: Water Rights and Water Availability on the Slate River <br />I'>. <br />The only streamflow data available for the Slate River ~ <br />from 1941-50, just below Coal Creek. Our rights exceed this <br />average flow in September, November, January, and February, but <br />inflow from Washington Gulch probably makes up the difference <br />(Table 1). <br /> <br /> TABLE I <br /> MEAN FLOW IN CWCB MEAN AMOUNT ABOVE <br />MONTH CFS, 1941-50 FILINGS (CFS) CWCB FILING (CFS) <br />0 26.9 23 3.9 <br />N 21.0 23 -2.0 <br />D 14.3 12 2.3 <br />J 10.6 12 -1.4 <br />F 9.5 . 12 -2.5 <br />M 12.7 12 0.7 <br />A 122 23 99 <br />M 536 23 513 <br />J 621 23 598 <br />J 204 23 181 <br />A 47.2 23 24.2 <br />S 22.3 23 -0.7 <br /> <br />Gaging records for the East River at Almont were examined <br />for long-range trends, but no significant ones were found. <br />In order to estimate flows in the Slate River for the 1971-80 <br />period, mean monthly flows in the East River for this period were <br />compared with those for 1941-50. For each month, the ratio of <br /> <br />725 <br />wr/wa <br />