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<br />~ <br /> <br />MEMORANDUM <br /> <br />COL.ORADO WATER <br />CON9a\VA.iION <br />BOARD <br /> <br /> <br />.:ror <br /> <br />I <br />Ii <br />....l' <br /> <br />To: Colorado Water conservation Board <br /> <br />'" <br />From: Ronald K. Blatchley, Blatchlep. As~~iates, <br /> <br />Evergreen MetropOlitan District _J~ji <br /> <br /> <br />SUbject: Bear Creek Lake Operation Study <br /> <br />Evergreen's "Storable Inflows" and "Releases" <br /> <br />Date: October 2, f989 (Revised November 3, 1989) <br /> <br />Attached herewith are Tables 1 and 2 which is the data that Evergreen <br />Metropolitan District (EMD) wishes to be used in the Bear Creek Lake <br />Operation study. <br /> <br />STORABLE INFLOWS <br /> <br />The "storable inflows" are the preliminary consumptive use <br />estimates of irrigation water yields of five shares of untrans- <br />ferred pioneer union Ditch rights owned by EMD that have not yet <br />been subjected to a transfer suit in the Water Court. The five <br />shares were used on the Desserick farm, section 27, T. 4S., R. <br />69W. Delayed return flows have not been estimated beCause of the <br />preliminary nature of the consumptive use of irrigation water <br />estimate. Because of the proximity of the irrigated land to Bear <br />Creek, the delayed return flows will not be material when com- <br />pared to the accuracy of the proposed operation study. <br /> <br />Daily accounting of the "storable inflows" are not avail- <br />able. <br /> <br />The untransferredPioneer Union water rights are as follows: <br /> <br />District Original <br />priority Adjudication Appropriation Decreed Decreed <br />No. Date Date. Use CFS <br />5 02/04/1884 12/10/1861 Irrigation 12.41 <br />11 02/04/1884 09/01/1862 Irrigation 8.13 <br />15 02/04/1884 03/15/1865 Irrigation 25.13 <br /> <br />During the 1949 through 1957 study period, the subject five <br />shares were entitled to 6.25 percent of the diver~ions_ The <br />modified Blaney-Criddle method of computing the consumptive use <br />of irrigation water was used to determine the storable inflows. <br />The ditch water was used on the farm for irrigation of alfalfa, <br />corn and pasture grass. <br /> <br />blotchley oJ/odotel.inc. / CONSULTING ENGINEERS <br /> <br />..A,:.:; ':;~-'-":-I..-;:;C=5. ....M=:i'I l'iIG;-;,S, GFlCUr-;C ......Ar :::;. HYCAOL0Gy' E,'.I'IIRONMENT,AL --'- GE,JLCGIC",1" ;.,"'GINE:;.:;II'\H~ <br />