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Table 2 <br />Horseshoe Lake <br />Stage -Area -Capacity Curve <br />Elev. Area Capacity <br />(ft) (Acres) (Ac-Ft) <br />0 NA 0 <br />2 NA 24 <br />4 NA 113 <br />6 NA 276 <br />8 NA 548 <br />10 NA 930 <br />12 NA 1416 <br />14 NA 1960 <br />Elev. Area Capacity <br />(ft) (Acres) (Ac-Ft) <br />16 NA 2600 <br />18 NA 3333 <br />20 NA 4185 <br />22 NA 5167 <br />24 NA 6274 <br />26 NA 7476 <br />26.5 645 7796 <br />Source: GLIC. Resurvey February 26, 1960 <br />Notes: Dead storage of 398 ac-ft (elevation 7.0 feet). <br />NA -not available. <br />Enlargement History: Horseshoe Lake has not been enlarged. <br />Reservoir Storage Measurement: Storage levels in Horseshoe Lake are measured using a <br />stainless steel slope gage located on the dam. The superintendent for the ditch company is <br />responsible for collecting and reporting the end-of--month storage amount to the Water <br />Commissioner in Water District 4. <br />Boyd Lake (Structure ID 0404110) <br />Boyd Lake was constructed in the early-1900s and is located directly east of Horseshoe Lake and <br />Lake Nos. 3, 4, 6, and 7. GLIC owns Boyd Lake. Storage diversions are predominantly passed <br />through Lake Loveland and Horseshoe Lake to fill Boyd Lake. The Louden Ditch can also <br />deliver water to the north end of Boyd Lake via Donath Lake (see Operational Information <br />section). Five slide gates on the south side of Boyd Lake can be used to fill Boyd Lake from the <br />Loveland Greeley Canal when storage is less than 41,328 ac-ft. The slide gates can also be used <br />to release water into the Loveland Greeley Canal for use by shareholders when storage is <br />between 41,328 ac-ft and 49,048 ac-ft. Releases to the canal from below 41,328 ac-ft capacity <br />are made via pumps located on the southeast portion of the lake. Releases can also be made back <br />to the Big Thompson River approximately one-quarter mile above the Hillsborough Ditch <br />headgate. Storage into and releases from Boyd Lake are discussed further in the Operational <br />Information section. <br />Capacity: <br />Total Storage: 49,048 ac-ft <br />Active Storage: 48,481 ac-ft <br />Dead Storage: 567 ac-ft <br />Greeley Loveland Irrigation Company Operating Memorandum.doc 10 of 18 January 5, 2005 <br />