There are no changes in requested SIMULATED operations this afternoon.
ACTUAL - Basin and system conditions:
Yesterday's basin-wide average precipitation (above Little Falls):
0.033 inches
(based on CO-OP's Low Flow Forecast System analysis of MARFC gridded multisensor precipitation estimates)
Daily Flows:
Little Falls gage flow 10/09: 2020 MGD (3130 cfs)
Point of Rocks gage flow 10/09: 1770 MGD (2740 cfs)
Note: Gage flow at Little Falls is measured after water supply withdrawals.
Little Falls gage flow 10/10: 1870 MGD (2900 cfs)
Point of Rocks gage flow 10/10: 1840 MGD (2850 cfs)
Net Potomac Production (10/09/20):
FW Corbalis raw water withdrawal (Potomac): 73 MGD
WSSC Potomac Production: 108 MGD
Aqueduct withdrawal: 134 MGD
Total Potomac demand: 315 MGD
Patuxent, Occoquan, and Net Total System Production (10/09/20):
WSSC Patuxent withdrawal: 53 MGD
FW Occoquan raw water withdrawal: 67 MGD
Total System demand: 435 MGD
Today's estimated demand (10/10/20) P.M.:
WSSC P.M. estimated demand: 160 MGD
FW P.M. estimated demand: 165 MGD
Aqueduct P.M. estimated demand: 135 MGD
Total P.M. estimated demand: 460 MGD
Tomorrow's estimated demand (10/11/20):
WSSC estimated demand: 160 MGD
FW estimated demand: 150 MGD
Aqueduct estimated demand: 140 MGD
Total estimated demand: 450 MGD
Loudoun Water Broad Run Discharge:
Yesterday's (10/09/20): 9 MGD
Today's (10/10/20): 9 MGD
Tomorrow's (10/11/20) : 9 MGD
Loudoun Water demand:
Yesterday's (10/09/20): 9 MGD
Today's (10/10/20): 9 MGD
Tomorrow's (10/11/20) : 9 MGD
SIMULATED - Recommended operations for today (10/10/20):
Fairfax Water:
"Starting as soon as possible, and continuing until tomorrow morning
Occoquan withdrawal: 85 MGD (flexible)
Potomac withdrawal: 60 MGD (firm)"
WSSC:
Maintain Patuxent production 34 MGD to conserve reservoir storage. Potomac withdrawals per operational preference.
Seneca (release date, time, amount in MGD):
No water supply release from Little Seneca Reservoir at this time.
Aqueduct:
Meet all demands from Little Falls.
North Branch Reservoirs:
No North Branch Water Supply release. The assumed Luke flow without water supply releases is 120 cfs (simulated).