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County updates: forced releases from Lake Granby after CBT replacement shortfall

Board of County Commissioners, County of Grand, Colorado · August 18, 2026

Summary

County Manager Ed Moyer reported Colorado River operations: Grand Valley increased call target at Cameo; limited CBT replacement water forced an additional 47 cfs release from Lake Granby to meet operating obligations, senior HUP beneficiaries remain on call, and Windy Gap pumping is inactive (100 acre‑feet used for wetlands mitigation).

County Manager Ed Moyer briefed the Board on multiple Colorado River water administration developments. He said Grand Valley expanded its call target at Cameo from 1,450 cfs to 1,950 cfs, and depleting substitution water and limited CBT replacement out of Green Mountain required forced releases from Lake Granby, adding 47 cfs to meet CBT operating obligations.

Moyer noted senior HUP beneficiaries remain on call while junior rights face curtailment, and Division 5 engineers and the Colorado Water Conservation Board (CWCB) are coordinating emergency substitute supply plans. He also reported Windy Gap pumping is inactive; 100 acre‑feet that had been shifted from Lake Granby to Windy Gap were used to meet wetland mitigation requirements for the Colorado River Connectivity Channel project and will be released once temperatures cool.

Moyer said he continues coordination pursuant to Senate Document 80 to protect West Slope agricultural and municipal water rights.

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