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<br />Castle Rock Water Conservation Master Plan Backaround <br /> <br />experienced change, conservation <br />projections will be adjusted <br />accordingly. Current build-out <br />projections are at a population of <br />100,000, which is anticipated to be <br />achieved by 2027. <br /> <br />"The Town of Castle Rock is a <br />rapidly growing <br />community.. . build-out <br />projections are ...100,000 <br />...by 2027." <br /> <br />WATER RESOURCES <br /> <br />Currently, nearly 100 percent of the Town's water is pumped from deep <br />groundwater aquifers, with a very small portion coming from shallow alluvial <br />wells. Castle Rock overlies the Denver Basin, a geologic formation with four <br />principal aquifers: the Dawson, Denver, Arapahoe, and the deepest of the four, <br />the Laramie-Fox Hills. These aquifers are a non-renewable deep well water <br />source that do not recharge regardless of rain or snow melt. <br /> <br />The Town of Castle Rock currently owns more than 35,500 acre-feet per year of <br />water rights (A typical family uses half an acre-foot of water per year). That <br />means that each year Castle Rock has access to enough water to fill a football <br />field-sized swimming pool 6.5 miles deep. <br /> <br />Castle Rock has long recognized the need to diversify its water portfolio and <br />extend the life of its aquifers. The Town recognizes its current limited water <br />supply source will ultimately not meet water needs. Programs and projects are <br />being implemented that speak to the feasible life of these groundwater aquifers <br />as well as establish a proactive strategy to develop additional water supplies. In <br />2006, the Town adopted its Water Resource Strategic Master Plan to address <br />the future water needs for the Town to achieve a sustainable long-term water <br />supply. The plan consists of implementing the following activities: <br /> <br />. Implementation of a water conservation plan; <br />. Fully develop and use the Town's current water rights; <br />. Make full use of the water rights from reclaimable water the Town is <br />entitled to use; <br />. Work in partnership to import surface water to reach an overall water <br />supply mix of renewable and reusable water that is 750/0 sustainable. <br /> <br />The goal of the resource <br />plan is to evaluate the <br />major water supply <br />options potentially <br />available to the Town in <br />a manner that will result <br />in an optimal mix of <br />conservation, reuse, <br />groundwater and renewable water sources in order to provide the Town with a <br /> <br />"...strategic water resource <br />plan... includes... conservation... full <br />development & use of water <br />rights... surface water importation <br />partnerships. " <br /> <br />TM-1 Background December 2006 <br /> <br />4 <br />