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-2- SPDSS is a collaborative effort between the Water Supply Protection section, the DWR, USGS and other stakeholders. The first three years of development consisted of the following tasks: 1. Data gathering for surface and ground water components 2. Well drilling within the Denver Basin bedrock and alluvial aquifers 3. Collection of historic and current water level data 4. Acquisition of satellite imagery of both North and South Platte drainage basins 5. Determination of irrigated and non-irrigated lands within the basins With the completion of the data collection, SPDSS has begun to implement the alluvial groundwater model and review the cooperative work that was done with the USGS on the Denver Basin bedrock model. This work should be done by mid-2008. With this new appropriation, phase 5 will occur, with the main emphasis being associated with the implementation of the surface water resource model for the South Platte River Basin. With the completion of the surface water resource model the implementation of the SPDSS will be complete. SPDSS Goal The CDSS goal is to help water users make informed decisions regarding major water issues and policy positions. The SPDSS as well as the two existing DSS's provide State of Colorado agencies, water users and managers a better means for organizing, accessing and evaluating a wide range of information and alternative strategies for managing their water resources to achieve the CDSS overall goal. With this request for additional funds, the SPDSS surface water resource model(s) will be completed by modeling sub-basin and linking the models instead of having one South Platte model, also there will be some flexibility to handle some issues potentially identified by the South Platte Task Force. Recommendation This request is part of the en-bloc non-reimbursable investment recommendations. Staff recommends that the Board request the General assembly authorize $1,000,000 from the Construction Fund to be appropriated to the Colorado Water Conservation Board for year 5 work tasks associated with the South Platte Decision Support System. Flood Protection • Water Project Planning and Finance • Stream and Lake Protection Water Supply Protection • Conservation Planning