Aspinall Unit update: 350 cfs in Black Canyon

Blue Mesa Reservoir
Blue Mesa Reservoir

From email from Reclamation (Erik Knight):

Releases from Crystal Dam will be decreased from 1150 cfs to 1050 cfs on Wednesday, October 22nd at 10:00 AM. The Uncompahgre Valley Water Users Association will be decreasing diversions to the Gunnison Tunnel Wednesday morning. Flows in the lower Gunnison River are currently above the baseflow target of 1050 cfs. River flows are expected to stay above the October baseflow target for the foreseeable future.

Pursuant to the Aspinall Unit Operations Record of Decision (ROD), the baseflow target in the lower Gunnison River, as measured at the Whitewater gage, is 1050 cfs for September through December.

Currently, diversions into the Gunnison Tunnel are around 800 cfs and flows in the Gunnison River through the Black Canyon are around 350 cfs. After this release change Gunnison Tunnel diversions will be around 700 cfs and flows in the Gunnison River through the Black Canyon will still be around 350 cfs. Current flow information is obtained from provisional data that may undergo revision subsequent to review.

More Aspinall Unit coverage here.

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