Lake Powell surface level dropped below the critical 3,525-foot mark sometime on the Ides of March. Thompson photo.Ĭlick the link to read the article on the Land Desk website (Jonathan Thompson): Lake Powell just north of Glen Canyon Dam. Current flow information is obtained from provisional data that may undergo revision subsequent to review. After this release change Gunnison Tunnel diversions will still be around 300 cfs and flows in the Gunnison River through the Black Canyon will be near 400 cfs. 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 790 cfs for March and 1050 cfs for April.Ĭurrently, Gunnison Tunnel diversions are 300 cfs and flows in the Gunnison River through the Black Canyon are around 475 cfs. River flows are expected to stay at levels above the baseflow target for the foreseeable future. Currently snowpack in the Upper Gunnison Basin is 109% of normal and the forecasted April-July runoff volume for Blue Mesa Reservoir is 92% of average.įlows in the lower Gunnison River are currently above the baseflow target of 790 cfs. Releases are being decreased as flows in the lower Gunnison River are well above the baseflow target. Releases from the Aspinall Unit will be decreased from 775 cfs to 700 cfs on Wednesday, March 30th. Current flow information is obtained from provisional data that may undergo revision subsequent to review.īlack Canyon July 2020. After this release change Gunnison Tunnel diversions will be around 400 cfs and flows in the Gunnison River through the Black Canyon will be near 350 cfs. 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 April and May.Ĭurrently, Gunnison Tunnel diversions are 300 cfs and flows in the Gunnison River through the Black Canyon are around 400 cfs. Currently snowpack in the Upper Gunnison Basin is 106% of normal and the forecasted April-July runoff volume for Blue Mesa Reservoir is 83% of average.įlows in the lower Gunnison River are currently above the baseflow target of 1050 cfs. Releases are being increased as diversions to the Gunnison Tunnel continue to increase. Releases from the Aspinall Unit will be increased from 700 cfs to 750 cfs on Tuesday, April 4th. The Bureau of Reclamation is making emergency releases out of Blue Mesa Reservoir to prop up levels in Lake Powell and preserve the ability to make hydropower.įrom email from Reclamation (Erik Knight): The boat ramp at the Lake Fork Marina closed for the season on Sept.
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