2014-08-12_HYDROLOGY - M1978056 - Laserfiche WebLink

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Cheryl Signs, P.E. Page 5 Durham Combined SWSP August 12, 2014 Apr May Jun Jul Aug Sep. Oct Total Twenty Year 35 133 174 199 166 89 59 615 7,752 To the extent that the subject Rural Ditch water rights from the four shares are not needed for immediate use, pursuant to paragraph 13 of the decree in case no. 2003CW306 the water may be stored in Dakolios Reservoir (WDID 0504003), 112 Reservoir (WDID 0504001), and their Von Ohlen Reservoir (WDID 0504002). Replacements for depletions under this plan will be made by releases of a portion of four shares in the Rural Ditch Company water previously stored in the 112 Reservoir, Dakolios Reservoirs and the Von Ohlen Reservoir under the decree in case no. 2003CW306. Excess consumptive use credits from the four shares of Rural Ditch stored in the 112 Reservoir, Dakolios Reservoirs and the Von Ohlen Reservoir will also be released to replace depletions for the VCI's Kurtz Pit, Heintzelman Pit and Bearson Pit. Hayseed Ditch (Case No. 90CWI74) VCI's 2 cfs interest in the Hayseed Ditch was changed in case no. 90CW174. The water available under the Hayseed Ditch will be used as an in stream credits to replace the non-irrigation season return flows of the Rural Ditch water changed in case no. 2003CW306. Use of the Hayseed Ditch under this SWSP is shown in Table I "Reservoir Operations Study, Dakolios East and West, 112 Reservoir& Van Ohlen Reservoir" Junior Storage Additional replacements for depletions during the non-irrigation season and during months with insufficient credits will be made by releases from water stored in VCI's Dakolios Reservoirs, 112 Reservoir, and Von Ohlen Reservoir. The water in storage is primarily junior water rights that were decreed in case no. 2001 CW274. Water was diverted through the Rural Ditch for storage in the 112 Reservoir and the Dakolios Reservoir over the extended free river period that started in September 2009 and continued through the beginning of June 2010. According to the decree in case no. 2001 CW274, water stored in the reservoirs or used directly at the point of diversion may be used for replacement of depletions at the mining sites owned or leased by VCI. The Durham Pit site and the Western Sugar Pit site have been identified as mining sites where the junior water rights decreed in case no. 2001 CW274 may be used as a source of replacement water. You indicated that as of January 1, 2013 the water stored in the reservoirs totaled 1,446 acre-feet consisting of a combination of Rural Ditch water and junior water decreed in case no. 2001 CW274. The attached Tables 1A and 1 B show the reservoirs operations study during the period of this SWSP. The average ground water contribution and direct and indirect precipitation for the two pits has been included in the study. The Applicant will use the junior water and the Rural Ditch water that had previously been stored in the 112 Reservoir, Dakolios, and Von Ohlen Reservoirs. Delivery of augmentation water to the Cache La Poudre River is subject to transit losses as determined by the water commissioner and the division engineer. The water rights decreed in case no. 2001 CW274 can be used directly at the points of diversion or retained in reservoirs for storage when the water rights are in priority or used by exchange for releases from any or all of the reservoirs or any or all of the direct flow sources. The decreed information for these junior water rights is shown in the following table: