Interactive Maps

The Lower Potomac

The Potomac Estuary

Mount Vernon to Anacostia River

Mall Area

Georgetown to Great Falls

Potomac Piedmont

Upper Potomac

The North Branch

Boat Ramps

Monitoring Sites

Bridges and Ferries

Cruises and Charters

Search Potomac Sites

Also Explore

Mattawoman Creek

Maryland Tributary

A significant tributary of the lower Potomac, Mattawoma Wreek runs 30 miles through Prince Georges and Charles counties. Most of the watershed is in Charles County, and is undeveloped. The estuary has extensive freshwater tidal marshes that are protected. The watershed includes the rapidly growing area around Waldorf.

Suggested Links

Contact Information
Maryland Department of Natural Resources

MD

Website