Scattered precipitation across the basin over the past 24 hours resulted in varied totals, up to 1.75 inches. Up to an inch of rain is expected over the next three days.
Note a correction to the Broad Run discharge for August 10th: the correct value is 6 MGD.
Daily flows:
Little Falls gage flow 2021-08-11: 1286 MGD (1990 cfs)
Little Falls gage flow 2021-08-12: 1208 MGD (est., based on recently available real time data) (1870 cfs)
Note: Gage flow at Little Falls is measured after water supply withdrawals.
Point of Rocks flow 2021-08-11: 1105 MGD (1710 cfs)
Point of Rocks flow 2021-08-12: 1164 MGD (est., based on recently available real time data) (1800 cfs)
Yesterday's Washington metropolitan area Potomac River withdrawals and discharges (2021-08-11):
Fairfax Water Corbalis withdrawal (Potomac): 113 MGD
WSSC Water Potomac withdrawal: 126 MGD
Washington Aqueduct withdrawal: 145 MGD
Loudoun Water withdrawal: 11 MGD
Loudoun Water Broad Run discharge: 6 MGD
Total Potomac withdrawal: 395 MGD
Total net Potomac withdrawal: 389 MGD
Loudoun Water drought operations protocol river flow values (based on yesterday's flows):
QPR: 1710 cfs
QPR, obs:1710 cfs
QPR, WS: 0 cfs