PERMFILE110413 - Laserfiche WebLink

Home Browse Search

__ • WATER SUPPLY PLAN- 42.75-ACRE SITE, PROPOSED SUBDIVISION, NEy~SE~ SECTION 76 AND NW~SW4 SECTION 25, T1S, R67W, ADAMS COUNTY, COLORADO • Thelroposed subdivision will consist of 14 lots: nine 1-acre residential lots, four 2~-acre residential lots, and one commer- • vial lot approximately one acre in size. A lake resulting from the prior gravel mining operations will be used for recreation. The lake will be approximately 20 acres in size. • Water supply will be from a community water system utilizing the Arapahoe formation. Individual sewage disposal systems will be ~ utilized. Deed and covenant restrictions will be provided limit- ing irrigated area to 8000 square feet per lot. Assuming 15% return flow from irrigation, consumptive use for irrigation of 14 ~ lots at 8000 square feet per lot irrigated area and an application rate of 2 acre-feet per year would be 4.37 acre-feet per year. An augmentation program will be established to supply make-up water ~ for this consumptive use. It is currently proposed to utilize w GASP for the augmentation program. An agreement has been made with the owner of existing well #2-0092 to provide ]00-acre feet per ~ year from that well to the subject property. The Arapahoe well could be utilized as an alternate point of diversion for 100 acre- feet from this well, to permit applying to GASP with an existing ~ well. If GASP water should not be available, a program utilizing the Laramie-Fox Hills aquifer, surface water rights, or some other source would be utilized. ~ Based on a use rate of .3 acre-feet per year per house and a return flow of 90;K, consumptive use for in-house use would be 14 lots x •