Reservoir Volumes and Storage for Drought Monitoring as of May 31, 2020

​​Storage in selected Maryland reservoirs for the end of May 2020

 
Water System Reservoir Percent Full* Days of Storage**
City of Frostburg
Piney 99%
715
City of Cumberland Lake Gordon 100%
404
Lake Koon 100%
City of Baltimore
Liberty 100% 330
330Loch Raven 100%
Prettyboy 100%
Total 100%
WSSC
Triadelphia Reservoir***** 92% 167
Rocky Gorge/Duckett
Seneca Creek Reserve 98% 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 number of days available to meet the system's demand.

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

 

Related Topics

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