CT2015-057 Feasibility Study - Laserfiche WebLink

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Eaton Ditch water. Town staff has considered the possibility of constructing storage on Eastman Park South. The Town has completed a geotechnical investigation and storage at this location appears very feasible. Preliminary calculations show approximately 200 acre-feet of storage could be constructed at this location. However, the lateral from the B.H. Eaton Ditch to Eastman Park South should be rehabilitated as it is currently extremely difficult to carry water down the lateral. Storage at Eastman Park South would involve an exchange of water up to a pump station along the Cache la Poudre River or to the B.H. Eaton headgate. A carriage agreement would be needed to deliver water to the storage vessel at Eastman Park South. The primary advantage to developing storage at Eastman Park South is the Town already owns the property. The water storage could be used as a park amenity, although use for the Town's augmentation needs would likely result in water level fluctuations throughout the season. Advantages • It is a good location on the river for Windsor's needs. • There is an existing headgate at the site. • The storage would serve as a good amenity for Eastman Park. • Windsor already owns the property. • Windsor is currently not utilizing its B.H. Eaton water for its needs. This water can be changed and stored at this site for augmentation. • There will be less infrastructure cost due to the proximity to the river. Disadvantages • There may be floodplain/floodway issues due to the proximity to the river. • Due to its proximity to Town and several residential areas, traffic issues may make it difficult to excavate the site and construct a lined storage pit. • Small size compared to Windsor's ultimate need. Alternative No. 3— Serfer Pit The Serfer Pit is located in the NE 1/4 of Section 24, T6N, R68W, in the 6th P.M., southwest of the intersection of Highway 392 and CR 13. Storage at this location is projected to be on the order of 200 acre-feet. In order to get water to this property, a headgate and pipeline would be required from the Greeley No. 2 Canal or a pump station on the river. For storage at this location to be beneficial, an exchange would be required up to a pump station along the river or to the Greeley No. 2 Canal headgate. Because the Whitney Ditch and B.H. Eaton Ditch divert water from the river between the Serfer Pit and both the Town's WWTP outfall and Kern Reservoir outlet, exchanging water may be more difficult. A carriage agreement would be needed with the New Cache Irrigating Ditch Company.