This email reports observed flows and demands as part of ongoing drought operations. A separate email will be provided with today's information for the annual drought exercise.
Only trace amounts of rain fell over the Potomac basin over the past 24 hours. The Middle Atlantic River Forecast Center predicts accumulations of 1/10 to 1/2 inch in the basin over the next 72 hours. Potomac River flow at Point of Rocks is beginning to rise due to the USACE's Sep 27-28 Artificially Varied Flow (AVF) release from the North Branch reservoirs.
Daily Flows:
Little Falls gage flow 10/01: 1200 MGD (1850 cfs)
Little Falls gage flow 10/02: 1250 MGD (est., based on recently available real time data) (1940 cfs)
Note: Gage flow at Little Falls is measured after water supply withdrawals.
Point of Rocks flow 10/01: 1070 MGD (1650 cfs)
Point of Rocks flow 10/02: 1440 MGD (est., based on recently available real time data) (2230 cfs)
Net Potomac Production (10/01/14):
FW Corbalis raw water withdrawal (Potomac): 88 MGD
WSSC Potomac Production: 119 MGD
Aqueduct withdrawal: 137 MGD
Total Potomac demand: 344 MGD