2016-02-02_HYDROLOGY - M2011049 - Laserfiche WebLink

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Partners Combined SWSP Page 3 of 6 January 27, 2016 Replacements The first source of replacement water to be utilized under this SWSP is reusable municipal return flows from the East Larimer County Water District (ELCO). ELCO is one of the Tri-Districts. ELCO recently decreed its municipal return flows in Case No. 09CW282 on June 29, 2012. Their accounting was approved by the Division Office on August 23, 2012. The reusable municipal return flows accrue to the Poudre River primarily at either the Fort Collins Waste Water Treatment Plants Nos. 1 Et 2 (WDIDs 0302313 and 0302314, respectively) or the Boxelder Sanitation District Waste Water Treatment Plant (WDID 0302322). All three WWTPs are located downstream of the point of depletion and thus no transit loss will be applied to any releases made for this SWSP. However there are water rights between the point of depletion and the WWTPs that have the potential to be injured should they place a call. Therefore, the ELCO municipal return credits are not a valid replacement source when an intervening water right places a call. Depending on which WWTP is supplying the municipal reuse credits, the intervening water rights may include the Fort Collins Irrigation Canal, Larimer and Weld Irrigation Canal, Lake Canal, Coy Ditch, Timnath Reservoir Inlet, Box Elder Ditch, and the Fossil Creek Reservoir Inlet. Because of this limitation, the applicant does not rely on ELCO municipal return credits in their projections, however they reserve the right to use this source when available and at their discretion. The second source of replacement water consists of various supplies owned by the City of Greeley or the Tri-Districts as follows: Owner Decree Description City of Greeley 87CW042 Milton Seaman Reservoir Water stored under 87CW42. City of Greeley Windy Gap Units - Wholly consumable transbasin water pursuant to 61 units owned by Greeley in the Windy Gap Project. City of Greeley 06CW258 Water pursuant to Greeley's 75 shares of stock in the Windsor Reservoir and Canal Company that entitle Greeley to water from the Laramie River System. A decree was entered in this case on January 4, 2012. Tri-Districts 03CW421 Reusable supplies stored in an account in Chambers Reservoir for water decreed in case no 03CW421. Tri-Districts 89CW071 Transmountain water available from the Divide Canal and Reservoir Company in case no 89CW071. Water will primarily be released from Greeley's mountain reservoirs although the Tri-Districts may supplement the Greeley releases. The applicant has included a 5% transit loss through the Poudre Canyon and a 0.25% per mile transit loss from the mouth of the Poudre Canyon to the Home Office Pit for a total transit loss of 7.8%. This loss will be applied to Greeley's and the Tri-Districts' replacement supplies unless the Partners receive prior approval from the District 3 Water Commissioner to make replacements downstream of the Home Office Pit. Appropriate transit losses are subject to the Water Commissioners approval for any replacements made upstream of the Home Office Pit. The third source of replacement water, if necessary, is water stored pursuant to the Overland Trail Reservoirs conditional water storage right decreed in case no. 00CW251. The Overland Trail Reservoir system (WDID 0303312) consist of a series of off-channel lined gravel pits, some existing and some yet to be constructed, located in portions of Sections 32 Et 33, T8N, and Section 3, T7N, R69W, 6th P.M. (see Figure 1: Overland Trail Reservoir Project). The liners for Overland Ponds 1-5