Potomac River flow at Point of Rocks has dropped below the low-flow threshold of 2,000 cfs. Today CO-OP is initiating daily monitoring and reporting of Potomac flows and withdrawals. Today's report appears below.
Conditions have been dry throughout the basin over the past couple of months. National Weather Service precipitation estimates indicate that the basin received no appreciable rain over the past 7 days, and forecasts call for little rain over the next seven days.
Daily Flows:
Little Falls gage flow 2019-09-22: 1125 MGD (1740 cfs)
Little Falls gage flow 2019-09-23: 1034 MGD (est., based on recently available real time data) (1600 cfs)
Note: Gage flow at Little Falls is measured after water supply withdrawals.
Point of Rocks flow 2019-09-22: 1209 MGD (1870 cfs)
Point of Rocks flow 2019-09-23: 1234 MGD (est., based on recently available real time data) (1910 cfs)
Yesterday's Net Potomac withdrawal (2019-09-22):
FW Corbalis withdrawal (Potomac): 128 MGD
WSSC Potomac withdrawal: 153 MGD
Aqueduct withdrawal: 147 MGD
LW Trap Rock withdrawal: 12 MGD (estimated)
Total Potomac withdrawal: 440 MGD