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<br />. <br /> <br />WATER USE AND AUGMENTATION REQUIREMENTS <br />FOR COLUMBINE RANCHES SUBDIVISION <br /> <br />The Columbine Ranches Subdivision was approved by Adams County in <br />1978, The Subdivision has been replatted several times but now consists of 54 <br />lots all located on the 160 acre parcel defined as the SE1/4 of Section 5, <br />Township 2S, Range 66W, 6th P.M. in Adams County. Many of the homes in the <br />subdivision are over 15 years old and there are now only seven vacant lots <br />within the subdivision. <br /> <br />The Subdivision water supply consists of a community well owned and <br />operated by the Columbine Ranches Property Owners Association (POA) which <br />supplies water for irrigation, watering of domestic animals and fire protection. <br />The well is shared with another property owner. The POA owns the first 500 <br />gallons per minute from the old irrigation well with Permit No. 03873-F. That <br />well is decreed as well #3 in Division I Water Court Case W-360. The well was <br />drilled in 1962 and used for irrigation of corn and a sod farm before the <br />subdivision. <br /> <br />. <br /> <br />The well is located in the NE1/4 of Section 5 and the POA has the <br />necessary easements to continue to operate that well. Water is pumped from <br />the well through an underground pipeline to a 10,000 gallon underground <br />storage tank and then delivered through a municipal type delivery system with <br />taps for each lot and fire hydrants at several locations in the subdivision. A <br />totalizing flow meter was installed in September 1996, and monthly data have <br />been collected on the actual amount used by the entire subdivision. Individual <br />lot owners withdraw water to meet their individual needs and measurement of <br />deliveries to each lot is not attempted at this time. <br /> <br />Water for human consumption is provided by individual on lot wells for <br />each household. The wells produce from the Denver, Upper Arapahoe, and <br />Lower Arapahoe formations. No wells have yet been drilled into the Laramie <br />Foxhills Aquifer. Sewage effluents are processed through individual septic tanks <br />and leach fields. Since both the Lower Arapahoe and Laramie Foxhills Aquifers <br />are considered as "nontributary" pursuant to the Denver Basin Rules, 2CCR402- <br />6, then septic tank return flows from homes supplied by wells from those two <br />aquifers could be applied as augmentation water for the community irrigation <br />well. <br /> <br />. <br /> <br />The POA field surveyed the area irrigated and the type of vegetation on <br />each lot in 1996. That survey was updated in 1997 and again in 1998. The total <br />area believed to be irrigated is 54.99 acres. With only seven vacant lots in <br />1998, and with no plans for immediate construction, then the irrigated area for <br />1998 would be 54.99 acres. The crops irrigated consist of bluegrass or fescue <br />sod in the lawns around the homes; brome, wheat and buffalo grass are used for <br />