Daily Potomac flow and demand update (Monday 2021-08-16)

Up to half an inch of precipitation fell in some areas of the basin in the past 24 hours. Over the next three days, one to four inches of rain is expected in the basin depending on location.

Daily flows:
Little Falls gage flow 2021-08-15: 1480 MGD (2290 cfs)
Little Falls gage flow 2021-08-16: 1409 MGD (est., based on recently available real time data) (2180 cfs)
Note: Gage flow at Little Falls is measured after water supply withdrawals.
Point of Rocks flow 2021-08-15: 1228 MGD (1900 cfs)
Point of Rocks flow 2021-08-16: 1189 MGD (est., based on recently available real time data) (1840 cfs)

Yesterday's Washington metropolitan area Potomac River withdrawals and discharges (2021-08-15):
Fairfax Water Corbalis withdrawal (Potomac): 82 MGD
WSSC Water Potomac withdrawal: 109 MGD
Washington Aqueduct withdrawal: 135 MGD
Loudoun Water withdrawal: 11 MGD
Loudoun Water Broad Run discharge: 5 MGD
Total Potomac withdrawal: 337 MGD
Total net Potomac withdrawal: 332 MGD

Loudoun Water drought operations protocol river flow values (based on yesterday's flows):
QPR: 1900 cfs
QPR, obs: 1900 cfs
QPR, WS: 0 cfs