Cherry Creek Valley Risk Assessment Applic

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. . GRANT APPLICATION - PART 2 Cherry Creek Valley Water & Sanitation District Cherry Creek Valley's proposed project is to develop a risk-reliability methodology for urban watershed water development projects in Colorado under the appropriative system. The water supply system risk-reliability analysis will follow the approach developed for the Edmonton studies in which a conservation water supply is assessed based upon its probability of meeting seasonal and annual demands. Project Cost and Schedule The projected cost of this project is $8,450 of which funding of$4,225 is requested from the Colorado Office of Water Conservation. Project funds will be utilized for professional services. The project will be completed over a four to five month period. Background The Cherry Creek Valley Water and Sanitation District (CCV), formed in 1962, is located in Arapahoe County, Colorado. The District presently serves approximately 1,000 residential, commercial, public and industrial customers. In 1989, CCV determined that protecting its water resources was a very important part of its community responsibility. In this regard, a program was adopted to conserve its natural basin water and to use its efforts to help educate the public and increase the body of knowledge among water professionals regarding water resource efficiency. As part of this program, the District has been a major contributor to the Colorado Water Education Foundation, Metropolitan Water Conservation Inc., and has funded Xeriscape seminars and developed a Xeriscape demonstration project on its property. CCV also assisted the Office of Water Conservation in the development of the model water conservation plan used by the State for complying with the 1991 Water Conservation Act. The District previously developed the Colorado Integrated Resource, Conservation and Economic model (CIRCE) with financial assistance from the Office of Water Conservation. Need There are generally two major objections voiced by water supply planners with regard to the integration of water use efficiency into the water supply program: 1) the risk and reliability of conservation programs, and 2) the impact of conservation on water rates and utility costs. CCV believes the second objection can be satisfuctorily answered with solid economic analysis using programs like CIRCE. The issue of reliability and risk associated with water conservation programs is an important issue for water suppliers and appears to need further study. 5