Colorado Water Conversation Board Division of Water Resources

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Administration Tools Each alternative includes enhancements of existing State administration tools that will increase the ability of the State Engineer to efficiently and effectively administer the State's water resources. However, easier access to more data is included in Alternative 2. Both historic and real -time data, as well as improved tools, will provide practical assistance to the State Engineer and the Division 1 Engineer in administration of the South Platte River. This improved access to better information about the "state -of -the- river" will not only aid the State Engineer but also the CWCB and other users who are accounting for their water rights use as well. The following administration tools make Alternative 2 the most cost - effective alternative: • Automated call notification so that water users can efficiently manage their resources • Improved access to real -time streamflow and diversion data to assist with administration • Development of improved tools and procedures to allow direct entry of data by users into a provisional real -time database to facilitate river administration • Better access to historic river call, augmentation plan, substitute supply plan and transfer decree data • Improved ability to perform bulk analysis of real -time or historic data to help summarize the effects of current conditions or administrative decisions • Access to animation tools for presentation and visualization of real -time and historic satellite and Water Information Sheet data Planning Tools The development of planning tools for the SPDSS fulfills many of the needs of the CWCB and DWR as well as Colorado water users who require tools and models they can trust to develop predictions and determine outcomes of particular events. Alternative 2 will provide better tools and models for: • Evaluating the success of Platte River species of concern efforts • Improving the applicability of streamflow depletion factors for groundwater analysis in both the Denver Basin and Overlying Alluvium and the Lower South Platte Alluvium Regions • Determining the effects of groundwater pumping • Providing dataset quality assurance /quality control (QA/QC) The following planning tools and models are included in Alternative 2: • A basin -wide water resource planning model (StateMod) that will operate on both a monthly and daily time step and includes 100 percent of the basin's consumptive use. pAdata \gen \spdss \final report \executive summary.doc E -6 October 31, 2001