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Transbasin water from C-BT and/or Windy Gap units is ordered when the City's direct <br />flow and changed water rights are insufficient to meet daily demands. These deliveries <br />come from the Southern Water Supply Pipeline out of Carter Lake, which can be <br />physically <br />- Delivered directly into the City's potable treatment system, <br />- Delivered to the St. Vrain Creek, and <br />• Exchanged upstream to the North Pipeline and/or South Pipeline, and <br />• Exchanged upstream to Ralph Price Reservoir. <br />- Transbasin water is generally used at the Pipelines in the early spring, as needed, <br />prior to the spring runoff. <br />Transbasin water is also exchanged into Ralph Price Reservoir to top the storage off if it <br />is not full after the spring runoff. <br />Other supplies potentially available to the City come from the reuse of its Windy Gap supplies <br />and its changed water rights. These uses have not yet been exercised but will likely start <br />occurring in the near future as the City stores these supplies in Union Reservoir and operates the <br />Union Reservoir exchanges adjudicated in Case No. 86CW395. <br />Where to find more information <br />^ Procedures for determining key diversion structures and a list of all key diversion structures <br />selected is presented in SPDSS Task 3 -Identify Key Diversion Structures Overall Task <br />Memorandum. <br />^ Procedures for determining key reservoirs and reservoir systems and a list of all key <br />reservoirs and reservoir systems structures selected is presented in SPDSS Task 5 - <br />Identify Key Storage Elements Overall Task Memorandum. <br />^ Additional information on ditch and reservoir operations within the Water District is <br />presented in the SPDSS Task 3 -Water District 5 Meeting Notes. <br />^ Additional information on NCWCD, Carter Lake, Southern Water Supply Pipeline, and C- <br />BT operations within the Water District is presented in SPDSS Task 5-Northern <br />Colorado Water Conservancy District and the Colorado-Big Thompson Project <br />REFERENCES <br />1) Meeting with Water Division 1, Water District 5 Commissioner Scott Edgar. <br />970.686.0628. <br />2) Meeting with City of Longmont Water/Wastewaterbepartment representatives: Dale <br />Rademacher, Ken Huson. August 10, 2004. <br />City of Longmont Operating Memorandum.doc Page 20 of 21 March 2, 2005 <br />