DROUGHT EXERCISE - Afternoon simulated Potomac flow and demand update (Saturday 08/24/2013)

Submitted by admin1 on Sat, 08/24/2013 - 14:00

The National Weather Service estimates that 0.25 to 2.0 inches of rain fell in some areas in the western portion of the basin this morning. Operational recommendations have changed from this morning's email.

THE FLOWS, DEMANDS, AND DISCHARGES REPORTED BELOW REFLECT ACTUAL CONDITIONS:

Daily Flows:
Little Falls gage flow 08/23: 1760 MGD (2720 cfs)
Little Falls gage flow 08/24: 1910 MGD (est., based on most recently available real time data) (2960 cfs)
Note: Gage flow at Little Falls is measured after water supply withdrawals.
Point of Rocks flow 08/23: 1890 MGD (2920 cfs)
Point of Rocks flow 08/24: 1890 MGD (est., based on recently available real time data) (2930 cfs)

Today's estimated demand (08/24/13) P.M.:
WSSC P.M. estimated demand: 180 MGD
FW P.M. estimated demand: 165 MGD
Aqueduct P.M. estimated demand: 145 MGD
LW estimated demand (included in total through FW): 26MGD
Total P.M. estimated demand: 490 MGD

Tomorrow's estimated demand (08/25/13):
WSSC estimated demand: 185 MGD
FW estimated demand: 170 MGD
Aqueduct estimated demand: 145 MGD
LW estimated demand (included in total through FW): 27 MGD
Total estimated demand: 500 MGD

SIMULATED - Recommended operations for today (08/24/13):

Fairfax Water:
Load shift 30 MGD to the Potomac, for a total of 63 MGD at Occoquan.

WSSC:
Load shift 30 MGD to the Potomac, for a total of 35 MGD from the Patuxent Reservoirs.

Seneca (release date, time, amount in MGD):
The ACTUAL release from Little Seneca Reservoir of 125 MGD has ended.

Aqueduct:
Meet all demands from Little Falls in order to maintain Great Falls flow-by.

North Branch Reservoirs:
Today's Luke target is 310 cfs (200 MGD).

Tags
PM Report
Enhanced Operations
Drought Exercise
Reservoir Release Made
Operational Change