Aspinall Unit update: Blue Mesa is filling quicker than expected, streamflow was 4,600 cfs into the reservoir yesterday

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From email from Reclamation (Dan Crabtree):

The runoff just keeps coming! This year’s runoff has been exceptionally difficult to predict in the Gunnison Basin. For example, a week ago, the Colorado Basin River Forecast Center’s model predicted inflows to Blue Mesa for July 6th of about 3,200 cfs and declining. Actual inflow today is about 4,600 cfs which is obviously causing Blue Mesa Reservoir to fill quicker than expected.

To compensate, releases from Crystal Dam will be increased by 550 cfs over the next few days. No single change is planned to exceed 200 cfs. In addition, the Uncompahgre Valley Water Users have again reduced their Gunnison Tunnel Diversions by 100 cfs due to increased flows on the Uncompahgre River which are meeting their needs. As a result of these changes, the Gunnison River gage located below the East Portal of the Gunnison Tunnel will read about 1,700 cfs by mid-morning on July 9th ; up from this morning’s flow of 1,080 cfs. Additional changes may be necessary next week as conditions are reassessed.

More Aspinall Unit coverage here.

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