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.

The forecast for today, tonight, and tomorrow is warm with uncertainty about precipitation and cloud cover for tomorrow afternoon. Tomorrow’s high water temperature will likely be above 74 OF with a fair chance of exceeding 75 OF if the observed temperatures are warmer than forecast or if the cloud cover and precipitation are less than expected.

Cannonsville Reservoir Requested Ramping Schedule

June 9

Time Beginning Flow
(cfs)
Ending Flow
(cfs)
Loss/Gain
(cfs)
4:00 PM 500 550 +50

June 10

Time Beginning Flow
(cfs)
Ending Flow
(cfs)
Loss/Gain
(cfs)
4:00 AM 550 500 -50
The ramp-up and ramp-down may be made in one step each. 2,500 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.

Requested By:

Brenan Tarrier

Professional Engineer 1, Division of Water

New York State Department of Environmental Conservation