Flow at Little Falls is currently 1520 cfs (980 MGD). The MARFC observed precipitation map shows that much of the western part of the basin received 0.05 to 1 inch of rain in the past 24 hrs. The National Weather Service (NWS) quantitative precipitation forecasts (qpf) indicate a chance of 0.75 to 3.2 inches of accumulated rain across the basin over the next 5 days. Today 0.25 to 0.5 inches of rain is expected for the Washington, D.C. area.
Daily Flows:
Little Falls gage flow 07/09: 910 MGD (1410 cfs)
Little Falls gage flow 07/10: 980 MGD (est., based on recently available real time data) (1520 cfs)
Note: Gage flow at Little Falls is measured after water supply withdrawals.
Point of Rocks flow 07/09: 1240 MGD (1920 cfs)
Point of Rocks flow 07/10: 1230 MGD (est., based on recently available real time data) (1910 cfs)
Net Potomac Production (07/09/10):
FW Corbalis raw water withdrawal (Potomac): 147 MGD
WSSC Potomac Production: 169 MGD
Aqueduct withdrawal: 185 MGD
Total Potomac demand: 501 MGD