Reservoir Volumes and Storage for Drought Monitoring as of July 31, 2018

​​Storage in selected Maryland reservoirs for the end of July, 2018​

 
Water System Reservoir Percent Full* Days of Storage**
City of Frostburg
Piney 99% 598
City of Cumberland Lake Gordon 100% 418
Lake Koon 100%
City of Baltimore
Liberty 100% 345
Loch Raven 100%
Prettyboy 100%
Total 100%
WSSC
Triadelphia Reservoir***** 66% 126*****
Rocky Gorge/Duckett
Seneca Creek Reserve 100% 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.
*****Triadelphia has been drawn down for a two-year project to rehabilitate Brighton Dam.

 

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