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I I I I I I I I I I I I j I I I I I I 1998 COORDINATED RESERVOIR OPERATIONS The purpose of this 1998 Coordinated Reservoir Operations Report is to summarize actual Reservoir Operations that occurred during 1998 as a result of the CROS tearn efforts. The team intends to monitor the releases and benefits to the endangered fishes of the Upper Colorado River mainstem, as a result of actual operations and to verify or refine the interim study assumptions and results with real-time data. It needs to be recognized that the net effect of the Orchard Mesa Check Settlement, and any dedication of water from Ruedi or Wolford Mountain reservoirs, to summer augmentation may result in less water available to carry over and use for spring peak augmentation during the following runoff season. The Recovery Program needs to prioritize the use ofthese sources of water between summer augmentation and spring peak enhancement. During the 1998 Water Year, the coordinated bypass of inflows was implemented for 7 days. The CROS tearn will continue to address issues as necessary to accomplish the CROS goals. A total of 23,691 acre-feet was released from the CROS reservoirs. These releases increased the peak in the 15 Mile Reach from 13,694 cfs to 15,100 cfs. II. Responsibilities - Coordination Committee A Coordination Committee was established to provide a forum to consider and plan for the annual coordination of reservoir operations. The committee is currently composed of representatives from each of the participating reservoir owner/operators, the Recovery Program, Fish and Wildlife Service, National Weather Service, Bureau of Reclamation, Colorado Water Conservation Board, Colorado Division of Wildlife and the Colorado Division of Water Resources - Division 5 Engineer's Office. The responsibilities of the involved agencies are as follows: AGENCY RESPONSIBILITY U.S. Fish & Wildlife Service Flow targets in the IS-Mile Reach Monitoring of endangered fish in critical habitat and influences on critical habitat Coordinate reservoir operations with CDWR and reservoir onerators National Weather Service Develop list of forecast locations Provide runoff forecasts (peak volume, rate and time) U.S. Bureau of Reclamation & SEWCD Annual operating Dlan for Ruedi U.S. Bureau of Reclamation & NCWCD Annual operating plan for Green Mountain & CRWCD U.S. Bureau of Reclamation & NCWCD Annual operating plans for Granby, Windy GaD, and Willow Creek U.S. Bureau of Reclamation - Loveland Organize meeting locations and times Prepare and mail press releases and necessary public notices Colorado Water Conservation Board Co-chair meetings Coordinate mailing list development Access to CRDSS as recuired Coordinate annual reoort DreDaration Division 5 Engineer's Office Co-chair meetings 4