The National Weather Service (NWS) reports that there was no precipitation in the Potomac basin over the last 24 hours. The NWS 3-day forecast predicts 1.25 to 2.0 inches of rain in the portion of the basin above Little Falls dam. Although flows at the US Geological Survey gage at Point of Rocks is currently above 2,000 cfs, our trigger for daily monitoring, we will continue daily monitoring efforts until we see that flows have significantly improved for several days.
Daily Flows:
Little Falls gage flow 2017-10-27: 1545 MGD (2390 cfs)
Little Falls gage flow 2017-10-28: 1616 MGD (est., based on recently available real time data) (2500 cfs)
Note: Gage flow at Little Falls is measured after water supply withdrawals.
Point of Rocks flow 2017-10-27: 1370 MGD (2120 cfs)
Point of Rocks flow 2017-10-28: 1564 MGD (est., based on recently available real time data) (2420 cfs)
Net Potomac withdrawal (2017-10-27):
FW Corbalis withdrawal (Potomac): 155 MGD
WSSC Potomac withdrawal: 132 MGD
Aqueduct withdrawal: 127 MGD
Total Potomac withdrawal: 415 MGD