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99CW231 -Change of use of some of the City's additional ownership in the Greeley <br />Loveland Irrigation Company, Seven Lakes Reservoir Company, and Lake Loveland <br />Company. <br />99CW024 -Exchange decree to provide the City the opportunity to exchange reusable <br />effluent from its WWTP up the Poudre River to its diversion and storage points. <br />OPERATIONAL INFORMATION <br />Water Demands <br />The City's current potable demand is approximately 27,600 ac-ft/yr, corresponding with a <br />service population of about 93,000. This demand level equates to approximately 265 gallons per <br />capita per day (gpcd) and about 370,000 gallons per year (1.18 ac-ft/yr) for a family of four. <br />About ten percent of the potable demand is for contractual obligations with the nearby <br />municipalities of Windsor, Milliken, and Evans. The City's current demand level corresponds <br />with the approximately 254 gpcd South Platte River basin Northern area demand reported in the <br />Statewide Water Supply Initiative. The current prof ection for future water demands is about <br />87,600 ac-ft/yr and a population of about 265,000. The future demand includes about 15 percent <br />for contractual obligations with neighboring municipalities <br />In addition to supplying water for potable uses, the City operates its water supply for non-potable <br />uses, which currently total about 2,000 ac-ft/yr. The City plans on future non-potable demands <br />equal to about 15 percent of its future potable demands. The non-potable deliveries are <br />predominantly made from ditch systems as they travel through the northern and eastern parts of <br />Greeley (about 1/3 of the non-potable demand met via Canal No. 3) and for turf areas along the <br />western part of the City (about 2/3 of the non-potable demand met via GLIC after accounting for <br />system loss of 25 percent to 30 percent). A small portion of the non-potable uses, perhaps less <br />than five percent, are supplied by wells. These wells are operated either as alternate points of <br />diversion adjudicated for the City's ownership in the 3/8 of Canal No. 3, which started in the <br />1970s, or under decreed augmentation plans for wells installed in the mid-1990s. A portion of <br />Greeley's ownership in the Canal No. 3 diversions is used for summer time replacements in the <br />augmentation plans. <br />Other water demands often required of municipalities are the obligations to maintain historical <br />return flows associated with the municipal use of credits from changed irrigation ditch shares. <br />The City is typically able to make historic return flow obligations from its WWTP outflows that <br />accrue to the Cache la Poudre River system above the Ogilvy Ditch headgate since the WWTP is <br />located above the major calling rights on the South Platte River. <br />Additional demands satisfied with the City's water supplies include the operation of the Joint <br />Operations Plan (JOP) with Fort Collins and WSSC and delivery of storage water associated <br />with Mountain and Plains Reservoir Company preferred shares. These operations are <br />summarized below. <br />Joint Operating Plan (JOP) <br />• Fort Collins, Greeley, and WSSC require special use permits from the United States Forest <br />Service (USFS) to operate their reservoirs on public lands. Bypass flow requirements are <br />Page 17 of 21 <br />