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5362 ) Appendix 2 - Castle Pines North Metropolitan District (Castle Pines North) District Boundaryl Service Area Castle Pines North serves an area of primarily single family residential and light commercial development immediately north of Castle Pines and west of 1-25 in the central part of the Study Area. The district's water supply is developed exclusively from non-tributary wells with adjudicated rights in the Upper and Lower Dawson, Denver, Arapahoe and Laramie-Fox Hills fom1ations. All water uses in Castle Pines North are currently met by pumping five Arapahoe wells, one Denver well and one Lower Dawson well that was completed in 2000 for irrigation purposes. Potable water is treated (iron and manganese removal) and disinfected before delivery to customers. The District also operates an augmentation plan to reclaim return flows from Happy Canyon Creek and other local drainageways. Castle Pines North also has the right to reuse treated wastewater effluent from the Plum Creek Wastewater Authority (see Appendix L) -that non- potable water system will be used in the future to irrigate open space areas and the Ridge golf course. The service area includes 2,100 acres of which 980 acres are currently developed. Current and Projected Water Usage ) In 1996, Castle Pines North used 550 acre-feet of water. By 2000, the annual waler demand had increased to 1345 acre-feet and reflects the significant growth in demands that have been met by expanding the pumping of the Denver Basin aquifers. Extensive residential and some commercial development has occurred in the last 5 years and the District currently serves approximately 2200 SFEs. It is expected that build-out of the District will occur by year 20 I 0 with a lotal of 3400 SFEs. An estimated 2,176 acre-feet per year of additional water is required to meet build out conditions. If adjacent areas elect to be served by Castle Pines North, they would be required to dedicate adequate water supplies to meet the projected water demands of the zoned urban densities. Table 8-1- Historic and Projected Water Uses - Castle Pines North Year SFE Annual Water Delivered Connections (Ac-ft) 1993 -- 407 1994 -- 461 1995 -- 430 1996 -- 639 1997 -- 776 1998 954 1999 1035 2000 2200 1345 Ultimate 3400 2176 (year) 2010) .)