Afternoon Potomac flow and demand update (Tuesday 09/21/2010)

Submitted by admin1 on Tue, 09/21/2010 - 14:00

The weather forecast and operational recommendations remain the same
as this morning.

Daily Flows:
Little Falls gage flow 09/20: 660 MGD (1020 cfs)
Little Falls gage flow 09/21: 600 MGD (est., based on most
recently available real time data) (923 cfs)
Note: Gage flow at Little Falls is measured after water
supply withdrawals.
Point of Rocks flow 09/20: 930 MGD (1440 cfs)
Point of Rocks flow 09/21: 960 MGD (est., based on recently
available real time data) (1480 cfs)

Today's estimated demand (09/21/10) P.M.:
WSSC P.M. estimated demand: 195 MGD
FW P.M. estimated demand: 200 MGD
Aqueduct P.M. estimated demand: 165 MGD
Total P.M. estimated demand: 560 MGD

Tomorrow's estimated demand (09/22/10):
WSSC estimated demand: 195 MGD
FW estimated demand: 200 MGD
Aqueduct estimated demand: 165 MGD
Total estimated demand: 560 MGD

Recommended operations for today (09/21/10):

Fairfax Water:
Shift withdrawals to the Potomac as much as operationally feasible.

WSSC:
Shift withdrawals to the Potomac as much as operationally feasible.

Seneca (release date, time, amount in MGD):
No release from Little Seneca Reservoir is scheduled today.

Aqueduct:
Per operational preference.

North Branch Reservoirs:
The North Branch reservoir water supply releases ended today (9/21/2010).

Tags
PM Report
Enhanced Operations
Reservoir Release Made
Operational Change