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<br />An initial step will be to obtain and review literature and data that will be used to better <br />characterize artificial recharge potential and existing activities in the South Platte and <br />Arkansas River Basins. This will include studies from the CWCB, US Geological Survey, <br />Colorado State University (CSU) and local water management districts. The 2004 CGS study <br />will be used as a guide to more detailed evaluation of areas that ranked high in that report for <br />recharge potential. Information obtained from other South Platte Decision Support System <br />(SPDSS) tasks and from the CWCB's Statewide Water Supply Initiative (SWSI) will also be <br />key resources. <br />There has been considerable characterization of the aquifers in the South Platte Basin through <br />the SPDSS study, so it is anticipated that more effort will be needed for obtaining information <br />from the Arkansas River Basin. <br />Involve Local Experts <br />Local experts will be identified and interviewed to obtain additional background information <br />and insight into existing recharge operations. It is anticipated that up to 30 individuals and/or <br />water user groups involved in water management will be queried for local knowledge of <br />potential recharge sites, local issues, input to development of site evaluation criteria, and <br />technical and regulatory impediments to implementation of artificial recharge projects in their <br />area. <br />The number of contacts made by Contractor staff will be limited by available budget and time <br />constraints. The local experts that might be contacted under this task include the Division <br />Engineers from Water Divisions I and 2 and other State Engineer Office staff, CGS staff, <br />Designated Basin contacts, water conservancy district staff, members of SWSI and Interbasin <br />Compact Committee (IBCC) Roundtables and the South Metro group, experts from CSU, and <br />others. <br />Characterize Underground Water Storage Sites <br />Using the information compiled from literature, data sources and local experts, technical <br />analyses will be undertaken to identify potential underground water storage locations within <br />the general regions identified in the 2004 CGS study. The analysis will include physical <br />characteristics of a potential location that would make it amenable to underground water <br />storage, existing infrastructure that could be used to convey water between areas of supply <br />and/or demand and a recharge location, ecological impacts, cost and other factors. The list of <br />criteria used to evaluate and rank sites will be developed as described in Task 49.2. <br />It should be noted that, due to the limited budget and time frame available for this task, there <br />will be no fieldwork to collect new data. The technical analysis will be based on available <br />data and information from published reports, databases and unpublished information provided <br />by local experts. <br />The results of the aquifer characterization will be presented in a report as described in Task <br />49.3. In addition, this information will be reviewed with the CWCB project manager, and <br />experts he deems appropriate, as it is developed. <br />SPDSS_Phase4_gw_SOW 09-15-06.doc 19 <br />