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Application for the Water Conservation Grant Program Castle Pines North Metropolitan District Applicant: Castle Pines North Metropolitan District 7404 Yorkshire Drive Castle Rock, Colorado 80104 Jim McGrady, Manager (303) 688-8550 xU jmcgrady@cpnmd.org Contact: The Castle Pines North Metropolitan District is planning to develop a Water Conservation Plan (Plan). The Plan will be developed in accordance with the recommendations outlined in the Colorado Water Conservation Board's (CWCB) Water Conservation Plan Development Guidance Document. This document is an application for grant monies offered by the CWCB for the development of a Conservation Plan. This application was developed in accordance to CWCB's "Guidelines for the Water Efficiency Grant Program." 1.0 Castle Pines North Water Supply and Demands The Castle Pines North Metropolitan District (District) is located in the south metro Denver area, in northern Douglas County approximately 5 miles north of Castle Rock and west of Interstate 25. The District provides water supply and wastewater collection services to approximately 3,000 homes and 25 commercial users. The existing service area is nearly fully developed and currently relies on eleven Denver Basin groundwater wells for water supply. The Denver Basin, which supplies waterloo much of the south metro area and northern E1 Paso County is a non-renewable aquifer. Withdrawals significantly exceed the limited recharge. Over the past two years, the District has also used treated wastewater effluent to irrigate the Ridge Golf Course. The reuse of treated effluent for irrigation of this golf course is anticipated to continue into the future. The south metro area is one of the key "gap" areas identified by the Statewide Water Supply Initiative (SWSI). Although the District can currently meet its water supply needs, it is projected that groundwater levels will continue to decline both underlying the District service area as well as throughout the entire South Metro Area. This is attributed to the growing population and to the regional dependence on groundwater. If alternative renewable supplies are not found to slow/stop the decline of groundwater levels, it is anticipated that the costs to maintain groundwater production rates (e.g., redrilling wells; increased pumping energy requirements) will escalate to the point that this source is no longer economically viable. The District has participated in regional planning studies, including the South Metro Water Supply Study and is evaluating participation in the enlargement of Rueter-Hess Reservoir. In addition, the District is developing an Integrated Water Resources Plan (IWRP), which is to evaluate the District's demands, conservation measures, and the short-term and long-term sustainability of the District's existing groundwater supply.