2015-03-04_HYDROLOGY - M1979097 - Laserfiche WebLink

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t East Rigden Pit SWSP February 27, 2015 Page 3 of 6 • Arthur Irrigation Company Shares (WDID 0300918)(391.36420 shares) • Larimer County Canal No. 2 Irrigation Company Shares (WDID 0300914)(67.56150 shares) • New Mercer Ditch Company Shares (WDID 0300913)(44.81716 shares) • Warren Lake Reservoir Company Shares (WDID 0303804)(83.18920 shares) The water delivered to Fossil Creek Reservoir will be either Southside Ditches water rights as changed in 92CW129 or Southside Ditches effluent. The decree entered in case no. 92CW129 lists the Fossil Creek Reservoir Inlet Canal (WDID 0300927) as an alternate point of diversion and the Fossil Creek Reservoir as an alternate point of storage for the Fort Collins Southside Ditches Water Rights. In addition, the City diverts its Southside. Ditches Water Rights for use by its treated water customers. The effluent produced by this use is delivered from Fort Collins's Drake Water Reclamation Facility (WDID 0302314) to Fossil Creek Reservoir before ultimately returning to the river through the Fossil Creek Reservoir Outlet Ditch located in the NEI /a SWI /a Sec. 10, T6N, R68W, 6th P.M., approximately 5 miles downstream of the East Rigden Pit site. Replacement water may only be delivered via the Fossil Creek Reservoir Outlet Ditch when there are no intervening calling water rights, as verified by the Water Commissioner. Acceptable accounting must be provided and approved by the Division Engineer prior to using water stored in Fossil Creek Reservoir for replacement purposes. There are no dry-up points on the Cache la Poudre River between the City's Drake Water Reclamation Facility and the East Rigden Pit; however, there are diversions that could potentially sweep the river between Joe Wright Reservoir and the City's Mulberry Wastewater Treatment Plant (WDID 0302313) and the East Rigden Pit. It is the Applicant's responsibility to track the daily call and make arrangements as necessary to ensure the replacement water is bypassed or otherwise delivered to the point of depletions. All replacements will be based on actual depletions determined from tracking actual diversion volumes and sources. Replacement deliveries will be reported in the Fort Collins existing accounting. Additional releases for transit losses wilt be provided based on an assumed transit loss rate of 0.25 percent per river mile, unless otherwise required by the Water Commissioner. Long Term Augmentation In accordance with the letter dated April 30, 2010 (copy attached) from the Colorado Division of Reclamation, Mining, and Safety ( "DRMS "), all sand and gravel mining operators must comply with the requirements of the Colorado Reclamation Act and the Mineral Rules and Regulations for the protection of water resources. The April 30, 2010 letter from DRMS requires that you provide information to DRMS to demonstrate you can replace long term injurious stream depletions that result from mining related exposure of ground water. According to the SWSP request, the City is in the process of amending the mining permit for the East Rigden Pit to authorize a lined reservoir as a post- reclamation land use. Construction of a compacted clay liner around the Fort Collins Parcel was completed in September 2014 and a 90 -day leak test was commenced on January 5, 2015. Upon approval of the compacted clay liner by the State Engineer's Office, the Applicant will be in compliance with approach no. 4. Conditions of Approval I hereby approve the proposed substitute water supply plan in accordance with § 37 -90- 137(11), C.R.S., subject to the following conditions: 1. This SWSP shall be valid for the period of March 1, 2015 through February 29, 2016, unless otherwise revoked, modified, or superseded by decree. Provided that the compacted clay