Water System	Reservoir	Percent Full*	Days of Storage**
City of Frostburg	Piney	99%	632
City of Cumberland	Lake Gordon	100%	392
	Lake Koon	100%
City of Baltimore	Liberty	100%	315
	Loch Raven	100%
	Prettyboy	100%
	Total	100%
WSSC	Triadelphia Reservoir	98%	156
	Rocky Gorge/Duckett
	Seneca Creek Reserve	99%	NA
All Potomac River Plants	Jennings-Randolph Reserve***	100%	NA

 * Percent Full is the ratio of current volume to the maximum usable volume in each reservoir at the end of the month.

** Days of Storage is the amount of days it would take to use current volume of reservoir (w/o recharge) based on average raw water withdrawals from similar time frame from previous two years.

*** Percent full for Jennings-Randolph Reservoir is based on alloted amount of water in reservoir used to supplement Potomac River flow for drinking water purposes.

Related Topics

Drought Home
Drought Coordinators

For More Information

Please contact the Water Supply Program at WATER.SUPPLY@maryland.gov or 410-537-3702

​