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Appendix 2 - Cottonwood Water and Sanitation District , (Cottonwood) District Boundary! Service Area Cottonwood Water and Sanitation District (Cottonwood) serves mostly residential developments within or northwest of the Town of Parker and is located in Douglas County between the service areas of ACWW A and the Parker Water and Sanitation District. The currently developed service area consists of residential and commercial uses with current development centered around Crown Point at the intersection of E-470 and Parker Roads. The service area includes approximately 1200 acres of development with the recent addition of the 272 acre Crown Point development which adds large multi-family developments, commercial and hospital uses to Cottonwood. Water Usage Cottonwood meets its water supply needs by pumping both non-tributary wells and alluvial wells. Cottonwood is planning to construct and operate a water treatment plant to treat alluvial groundwater that uses effluent return flow from non-tributary groundwater pumping. As with ACWW A, Cottonwood also intends to develop a non-potable water system to deliver water for outdoor uses on commercial, industrial and open space areas as a way to reduce the demands on the non-tributary groundwater resources. All wastewater treatment is provided at ACWW A's Lone Tree Wastewater Treatment Plant. Table D-l illustrates the water usage patterns within Cottonwood. Projected water demands are reported without the development of the non-potable system. It is estimated that Cottonwood could realize a reduction in their non-tributary groundwater pumping with a non-potable water system, of 200 acre-feet per year in 2005 and 300 acre-feet per year in 2015. Table D-l Water Usage - Cottonwood Year Service SFE Annual Water Average Day Population Connections Delivered (gpm) (Ac-ft) 2000 -- -- -- 2002 -- -- 930 577 " 2005 8380 2890 1,300 806 " 2010 9230 3180 1,876 1,132 2015 10,340 3570 2,237 1,387 Ultimate 10,340 3570 2,237 1,387 Historic water demands and the distribution of water developed from both tributary and nontributary sources is shown in Figure D-l.