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<br />Metropolitan Water Supply Investigations - Phase II Plan of Study <br />7/5/944:17PM <br /> <br />Page 10 <br /> <br />b) flpproach <br /> <br />Review technical information on artificial recharge of deep aquifers which will <br />include: Willows Water District/Denver WaterlUSBR Denver Basin <br />Demonstration Project, Centennial Water and Sanitation District Aquifer <br />Storage and Recovery Project, Denver Water information, other conjunctive <br />use proposals or projects, USGS studies, previous modeling studies, <br />interviews with key people and case study information on deep bedrock <br />aquifer recharge outside of the Denver Basin. <br /> <br />Evaluate: achievable injection/infiltration rates and volumes, effects on the <br />recharging wells. effects on the aquifer, water quality issues, <br />recommendations on: water quality requirements, well cleaning requirements, <br />timing and volume limits on storage and retrieval, potential long range issues. <br /> <br />Evaluate economic issues related to recharging Denver Basin aquifers: drilling <br />costs, equipping costs, 0 & M costs, equipment replacement costs, and power <br />costs. Costs for recharge will be presented on a traditional cost per acre foot <br />basis. <br /> <br />c) Output <br />A memorandum report presenting compiled findings with accompanying <br />graphs, maps and tables as needed. <br /> <br />d) Sub-Task Leader: Robert Tafelski <br /> <br />3. Sub-Task 4c: Resource Assessment of South Platte Alluvial Aquifers <br /> <br />a) Purpose: <br />Review background information and identify issues related to potential use of <br />alluvial aquifers of the South Platte River aquifer and its tributaries between <br />Chatfield Reservoir and Greeley for conjunctive use groundwater projects. <br />This effort will also include Beebe Draw from Barr Lake to Milton Reservoir. <br /> <br />, <br />Identify aquifer characteristics, supply availability, storage and lagging <br />potential. <br /> <br />Provide design criteria and economic analysis for storage, augmentation and <br />withdrawal from these aquifers. <br /> <br />b) flpproach <br />Conduct an inventory South Platte alluvial groundwater resources and aquifer <br />characteristics based on existing studies, well logs and consultants' <br />background knowledge. <br />