Office of the Delaware River Master

Thermal Release Request

On behalf of the New York State Department of Environmental Conservation, we request an enhanced release from Cannonsville Reservoir for the purpose of thermal mitigation in the mainstem Delaware River in accordance with the 2017 Flexible Flow Management Program.

Tomorrow’s forecast at Hancock, NY is a high air temperature of 86 OF and mostly sunny with a low tonight of 64 OF.

About 2,000 cfs-days remain in the FFMP2017 Thermal Mitigation Bank at the time of this request. No directed release is expected for the Montague Flow Objective.

Cannonsville Reservoir Requested Ramping Schedule

July 2

Time Beginning Flow
(cfs)
Ending Flow
(cfs)
Loss/Gain
(cfs)
4:00 PM 460 700 +240
The ramp-up should be two steps beginning at 3:00 PM

July 3

Time Beginning Flow
(cfs)
Ending Flow
(cfs)
Loss/Gain
(cfs)
4:00 AM 700 550 -150
Based on the current forecast it’s likely that a release enhancement will be requested tomorrow as well. Please maintain an enhanced release of 550 cfs from 5:00 AM July 3rd until 4:00 PM July 3rd or until the design is completed tomorrow. Ramp-down should be two steps beginning at 4:00 AM.

Requested By:

Brenan Tarrier

Professional Engineer 1, Division of Water

New York State Department of Environmental Conservation