Maryland
Percent-full requires a source-published storage/capacity series or rating basis.
Cataloged as the #13 public-interest lake or reservoir record for Maryland. Matched to USACE NID record MD00078. Dam/source name: Potomac River Dam #4. River or stream: POTOMAC RIVER. Listed purposes: Hydroelectric. This is a catalog metadata record until an observed water-data feed is attached.
Maryland source-backed lake page