Afternoon Potomac flow and demand update (Friday 09/17/2010)

Submitted by admin1 on Fri, 09/17/2010 - 14:00

Weather conditions and operational recommendations remain the same as this morning.

Daily Flows:
Little Falls gage flow 09/16: 440 MGD (680 cfs)
Little Falls gage flow 09/17: 490 MGD (est., based on most recently available real time data) (759 cfs)
Note: Gage flow at Little Falls is measured after water supply withdrawals.
Point of Rocks flow 09/16: 810 MGD (1260 cfs)
Point of Rocks flow 09/17: 940 MGD (est., based on recently available real time data) (1460 cfs)

Today's estimated demand (09/17/10) P.M.:
WSSC P.M. estimated demand: 185 MGD
FW P.M. estimated demand: 175 MGD
Aqueduct P.M. estimated demand: 170 MGD
Total P.M. estimated demand: 530 MGD

Tomorrow's estimated demand (09/18/10):
WSSC estimated demand: 190 MGD
FW estimated demand: 190 MGD
Aqueduct estimated demand: 160 MGD
Total estimated demand: 540 MGD

Recommended operations for today (09/17/10):

Fairfax Water:
Potomac withdrawal request: 125 MGD maximum. If operational considerations require an increase above this level, or allow a significant long-term decrease below this level, please inform ICPRB staff.

WSSC:
Potomac withdrawal request: 150 MGD maximum. If operational considerations require an increase above this level, or allow a significant long-term decrease below this level, please inform ICPRB staff.

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

Aqueduct:
Per operational preference.

North Branch Reservoirs:
Luke target remains 312 cfs.

Information on the release provided by the Baltimore COE appears in the table below:
Date: JR water quality: JR water supply: Savage: Total at Luke (incl. local inflow):
Sept. 10-12 95 cfs 274 cfs 55 cfs 435 cfs
Sept. 13 92 cfs 248 cfs 55 cfs 405 cfs
Sept. 14 88 cfs 193 cfs 55 cfs 351 cfs
Sept. 15 88 cfs 232 cfs 55 cfs 390 cfs

Tags
PM Report
Enhanced Operations
Reservoir Release Made
Operational Change