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Lake McConaughy, and (3) utilizing a groundwater recharge and river re-regulation project on <br />the Tamarack State Wildlife Area in Colorado. The plan identifies other water conservation or <br />water supply means for further enhancing flow conditions by an additional 60,000 to 80,000 <br />acre-feet per year from water conservation or new water supply sources within the three States <br />(Governance Committee of the Cooperative Agreement for Platte River Research 2000). <br />Colorado's portion of the Water Action Plan is known as the Tamarack Plan. The Tamarack <br />Plan includes a variety of activities (both on and off the state wildlife area) aimed at re-timing <br />water from periods when flows are in excess of target flows to periods when there are shortages. <br />For example, at the state wildlife area groundwater can be pumped from the South Platte <br />alluvium up to ponds and recharge areas to re-regulate flows that are in excess of legal rights and <br />physical demands for water in Colorado. The ponds and recharge areas provide instate <br />environmental benefits for Colorado species of concern and other wildlife. A secondary benefit <br />of the groundwater recharge that results from the Tamarack Plan is an estimated increase in flows <br />at the Julesburg gage by an average of approximately 27,000 acre-feet over the flows that would <br />otherwise occur during that period. Water rights for the operation of the components of the <br />Tamarack Plan will be obtained and exercised under Colorado law for beneficial uses in <br />Colorado (Platte River Endangered Species Partnership 2000). <br />An Environmental Impact Statement (EIS) is currently being prepared for the Platte River <br />program, as well as a range of alternatives as required under the National Environmental Policy <br />Act. Following completion of the EIS, the Federal government and States may agree to <br />participate in a 15-year implementation program. <br />1.4 DECISION SUPPORT SYSTEMS <br />The term DSS has become a common phrase used to describe multiple software products and <br />systems that are linked together. A DSS is typically a group of databases and tools that help <br />users make decisions, not by telling them what to do, but by providing data displays, analytical <br />results, and model output that summarize the information that the decision maker needs in order <br />to make a decision. A DSS does not have to be large or complex, but it should provide a timely <br />and relatively complete view of a problem such that it can be addressed efficiently and <br />comprehensively. <br />1.4.1 DSS Classes <br />DSS use can be divided into three main classes. <br />1. Planning DSS <br />2. Administration DSS <br />3. Integrated planning and administration DSS <br />p:data\gen\spdss\final report\chapter l.doc 1-c~ <br />October 31, 2001 <br />