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SYSTEM OVERVIEW <br />The City of Longmont is located along the St. Vrain Creek and constitutes the largest municipal <br />entity within Water Division 1, Water District 5. The City first installed a pressurized water <br />system in 1882 and expanded its water supplies with additional direct flow rights in the early <br />1900s. This was followed by the acquisition of high mountain storage in the 1930s. The City has <br />been involved with the Northern Colorado Water Conservancy District (NCWCD) since the <br />District's beginning. In 1964, the City began to require raw water dedication as a condition of <br />annexation, which resulted in Colorado-Big Thompson (C-BT) units and shares in local ditch <br />and reservoir companies being provided to the City. The City completed construction of its <br />primary storage facility, Ralph Price Reservoir, on the North Fork of the St. Vrain Creek in the <br />late-1960s. <br />The City's water resources operations are managed by the Water/Wastewaterbepartment. The <br />City's water resources system has operational flexibility from the combination of its water right <br />holdings and operations of its own reservoirs, exchanges, and pro rata interest in reservoirs under <br />local ditches that have also been changed to municipal uses in water court. Historically, <br />Longmont has had sufficient water supplies to meet its demands. <br />Key structures identified in the City of Longmont System are as follows (with structure name <br />from Decision Support System HydroBase database in parentheses, if different): <br />1) North Pipeline (Longmont North Pipeline) <br />2) South Pipeline (Longmont South Pipeline) <br />3) Ralph Price Reservoir <br />4) Union Reservoir <br />The location of the City of Longmont and major elements of its water resources system is shown <br />in Figure 1. <br />City of Longmont Operating Memorandum.doc Page 2 of 21 March 2, 2005 <br />