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HydroBase Data: Daily diversion data for the Little Cache la Poudre Ditch are available under <br />Structure ID 0300915 in HydroBase for the 1950 to 2002 SPDSS study period. Between <br />1950 and 2002, average annual diversions through the Little Cache la Poudre Ditch were <br />12,687 acre-feet per year. <br />Terry Lake (Structure ID 0303805) <br />Larimer and Weld Reservoir is known locally as Terry Lake. The Terry Lake dam was <br />completed in 1890. The dam is located at the south end of the lake. Terry Lake is filled through <br />the Little Cache la Poudre Ditch. Water stored in Terry Lake is released to the Larimer Weld <br />Irrigation Canal owned by the Larimer Weld Company. <br />Capacity: <br />Terry Lake Total Storage: 8,028 acre-feet plus dead storage <br />Terry Lake Active Storage: 8,028 acre-feet <br />Terry Lake Dead Storage: Storage below gage height of 8.9 feet, amount unknown <br />Terry Lake Outlet Capacity: 225 cfs <br />Terry Lake Spillway Capacity: 4,780 cfs at a freeboard height of 3.2 feet <br />Area/Capacity Data: Reservoir gage height, area, and cumulative capacity information for <br />Terry Lake are provided in Table 2. Dead storage in Terry Lake is that storage below a <br />gage height of 8.9 feet. The cumulative capacity presented in Table 2 does not include <br />dead storage. <br />Table 2 <br />Terry Lake Elevation-Area-Capacity <br />Gage Height <br />ft Area <br />acres Cumulative Capacity <br />ac-ft <br />10 NAb~ 124 <br />15 NA 909 <br />20 NA 2,027 <br />25 NA 3,585 <br />3 0 NA 5,63 5 <br />3 5 NA 8,028 <br />Data. provided by George Varra, District 3 Water <br />Commissioner. <br />bi NA =not available. <br />Enlargement History: Unknown. <br />Measurement Device: Unknown. <br />Reservoir Seepage Information: No studies were identified that quantify seepage losses from <br />Terry Lake. <br />Flood Control/Hydropower Operations: Terry Lake is not operated for flood control or <br />hydropower. <br />Larimer&Weld Memo.doc <br />10 of 20 <br />