River flow at Point of Rocks is expected to remain close to CO-OP’s daily monitoring threshold, 2000 cfs, for the next several days. The basin received negligible precipitation yesterday and no rain is forecast during the next three days.
Daily flows:
Little Falls gage flow 2022-11-01: 1234 MGD (1910 cfs)
Little Falls gage flow 2022-11-02: 1293 MGD (est., based on recently available real-time data) (2000 cfs)
Note: Gage flow at Little Falls is measured after water supply withdrawals.
Point of Rocks flow 2022-11-01: 1273 MGD (1970 cfs)
Point of Rocks flow 2022-11-02: 1293 MGD (est., based on recently available real-time data) (2000 cfs)
Yesterday's Washington metropolitan area Potomac River withdrawals and discharges (2022-11-01):
Fairfax Water Corbalis withdrawal (Potomac): 74 MGD
WSSC Water Potomac withdrawal: 92 MGD
Washington Aqueduct withdrawal: 131 MGD
Loudoun Water withdrawal: 9 MGD
Loudoun Water Broad Run discharge: 6 MGD
Total Potomac withdrawal: 306 MGD
Total net Potomac withdrawal: 300 MGD
Loudoun Water Potomac River (PR) flow values for drought operations protocol (based on yesterday's flows):
QPR: 1970 cfs
QPR, obs: 1970 cfs
QPR, WS: 0 cfs
Note to Loudoun Water: See NWS ensemble flow forecasts (HEFS, GEFS, NAEFS) for Point of Rocks flow for the next 7 days – see https://www.weather.gov/erh/mmefs_marfc?id=PORM2&model=NAEFS.