Overview of Qualifications: Water Resouce Planning Services Apr 2003

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Sample Water Resources Projects - Continued and regulations for implementing the legislation. As a part of this process, the State Engineer conducted a series of hearings within the general and technical community. The rules and regulations were highly controversial, and underwent numerous revisions in response to these hearings. Boyle Engineering was retained by Denver Water to provide expert technical analysis and testimony during these hearings on Rules and Regulations in connection with Senate Bill 5. South Platte Strategic Plan Continued urbanization of Colorado's Front Range over the past decade has dramatically increased competition over already stressed water sources such as the South Platte River. The City of Aurora, through its South Platte Strategic Plan (Plan), is identifying potential new sources of supply, cooperating with other water suppliers in evaluating joint projects, and stretching its current water supply resources to assure enhanced availability during droughts. The scope of services involves the development of a water resources plan for the South Platte River. More specifically, the Plan identifies institutional, environmental, and economic issues associated with a wide variety of alternatives, including surface or aquifer storage of direct flow water, effluent credits, lawn irrigation return flow credits, and other options for sustainable development of new supplies. Performance of the wide- ranging alternatives is measured via a specially adapted water resource simulation computer model. The BESTSM Model was developed which uses gaged and calculated river flows, diversions, and return flows and simulates how they interact with the City's water supply infrastructure. Use of BESTSM, which is the same model used by the State of Colorado for its Colorado Decision Support System (CDSS) and by Denver Water for its water resource planning and operational analyses, helps assure acceptance and understandability from these key water agencies. Many of the alternatives considered in the Plan involve cooperative arrangements with Denver Water. The BESTSM model simulates the City's system involving over 40 decrees and 150 individual water rights to supply an existing population of 260,000 people. Windy Gap Firming Project The Windy Gap Firming Project (WGFP) identifies, evaluates, and documents the technical, economic, and environmental feasibility of many potential alternatives to enhance the ability of the Windy Gap system to provide firm supplies during droughts. The entities involved in the WGFP include Greeley, Loveland, Longmont, Broomfield, Superior, Erie, Louisville, Platte River Power Authority and Central Weld County Water District. This true regional project coordinated by the Northern Colorado Water Conservancy District assesses the needs for additional storage to -14- f3OVLE