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

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

 
Water System Reservoir Percent Full* Days of Storage**
City of Frostburg
Piney ****
****




City of Cumberland Lake Gordon 100%
416
Lake Koon 98%
City of Baltimore
Liberty 98% 340
330Loch Raven 99%
Prettyboy 98%
Total 98%
WSSC
Triadelphia Reservoir 87% 167
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 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.

****Data was not available as of 8/12/2020
 

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