Reservoir Volumes and Storage for Drought Monitoring as of June 30, 2017
			    
	
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Storage in selected Maryland reservoirs for the end of June, 2017 
| Water System | 
Reservoir | 
Percent Full* | 
Days of Storage** | 
City of Frostburg  | 
Piney | 
99% | 
634 | 
 | 
 | 
 | 
 | 
| City of Cumberland | 
Lake Gordon | 
100% | 
412 | 
| Lake Koon | 
100% | 
 | 
 | 
 | 
 | 
City of Baltimore
   | 
Liberty | 
100% | 
328 | 
| Loch Raven | 
100% | 
| Prettyboy | 
100% | 
| Total | 
100% | 
 | 
 | 
 | 
 | 
WSSC  | 
Triadelphia Reservoir | 
60%***** | 
109***** | 
| 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 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.
 
*****Triadelphia has been drawn down for a two-year project to rehabilitate Brighton Dam.
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