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25. Colorado River Decision Support Svstem Authorizations: SB 92-87 Grant Amount: HB 93-1273 SB 94-029 HB 95-1155 SB 96-153 SB 97-008 Total $ 452,000 $1,420,400 plus $ 250,000 for FTE's $1,744,000 plus $ 250,000 for FrE's $1,980,000 plus $ 342,000 for FTE's $1,400,000 plus $ 480,000 for FTE's $ $ 320.000 for FTE's $6,996,000 plus $1,642,000 for FTE's Water Source: Colorado River Location: Colorado River Basin & Tributaries Project Type: Decision Support System Managers: Randy SeaholmlRay Alvarado The Colorado River Decision Support System (CRDSS) was a multi-year project that began with a feasibility study in 1992. The system was designed and developed over the 1993-98 time frame. The CRDSS is a data centered collection of databases and models which provide improved data, data analysis and decision making capability for many critical Colorado River planning, administrative and operational issues. The CRDSS is centered around databases containing historical information on streamflow, climate and water uses, as well as tabulations of water rights and water management policies. Data are keyed to locations in the river basin using a geographic infomtation system. This computer-based system allows decision-makers to access water resource data, analyze data and simulate potential decisions and policies, examining the potential consequences. CRDSS is 100% complete and has been moved into an operation and maintenance phase. CRDSS is being used as a management tool in all 5 ofthe major river basins that it covers. The remaining fuuds are being used to provide training with a portion bdng reserved to incorporate the U.S. Bureau of Reclamation's RiverWare Model when it is determined that a stable PC version of it is available 26. Lower South Platte Water Management and Storage Sites Investigation and Sustain Studv Authorization: SB 01-157, aB 00-1419 GrantAmount: $550,000 Water Source: South Platte River Project Type:Multi-Use Water Planning Location: Logan and Sedgwick Project Manager: Rick Brown In the summer of 2000, the Colorado Water Conservation Board (CWCB) acting through the Water Supply Protection Section completed a Reconnaissance Level Study of Water Management and Storage Sites in the lower South Platte River. The CWCB authorized up to $140,000 to complete the reconnaissance study and the final cost was approximately $138,000. The initial results of the study indicated several potential projects, which warranted future investigation and the CWCB authorized funding to conduct a feasibility level study of these "preferred altemative(s)", and if warranted, to complete an engineering design ofthe selected alternative(s). The overall purpose of the project is to identify water management and storage options in the lower South Platte River that could facilitate Colorado's management of South Platte flows, including coordination with ground water recharge projects for in-state beneficial uses, such as water right and South Platte River Compact administration and providing benefits for biological species of concern iu Colorado, and for participation in an endangered species program being developed pursuant to the Platte River Cooperative Agreement Shortly after CWCB authorization of the project, staff and management were approached by representatives of the Ground Water Appropriators of the South Platte (GASP), one of the potential beneficiaries of a future project, and were asked to delay the feasibility study because of a pending water right filing. The sensitivity of the water right filing and GASP's desire to implement one of the alternatives identified in the reconnaissance study lead staff and management to conclude that it would be Page 14 of31 . . .