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Maryland State Government Maryland Department of the Environment

Reservoir Volumes and Storage for Drought Monitoring as of July 2011

Water System Reservoir Percent Full* Days of Storage**

City of Frostburg

Piney **** ****
       
City of Cumberland Lake Gordon **** ****
Lake Koon ****
       

City of Baltimore

Liberty 92% 265
Loch Raven 97%
Prettyboy 98%
Total 95%
       

WSSC

Triadelphia Reservoir 99% 268
Rocky Gorge/Duckett
Seneca Creek Reserve 98% NA
       
All Potomac River Plants Jennings-Randolph Reserve*** 100% NA
* Percent Fullis the ratio of current volume to the maximum usable volume in each reservoir at the end of the month.

** Days of Storageis 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.

**** Data has not yet been received as of 04-Aug-2011 at 6:50 AM

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