Potomac River Guide Home

Interactive Maps

The Lower Potomac

The Potomac Estuary

Mount Vernon to Reagan Airport

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

WSSC Potomac River Filtration Plant Area Map

Regional Water Treatment Plant

Contact Information
Washington Suburban Sanitary Commission
14501 Sweitzer Lane
Laurel MD 20901
301-206-9772
Website

Nearby Sites

  • Watts Branch -- Tributary -- 0.43 miles
  • Swains Lock -- National Park Service Recreation Site -- 0.48 miles
  • Riverbend Park -- Fairfax County Park -- 0.98 miles
  • Lockhouse 22 -- Historic Site -- 1.35 miles
  • Pennyfield Lock -- National Park Service Historic Site -- 1.36 miles
  • Watts Branch Stream Valley Park -- Montgomery County Park -- 1.40 miles
  • Pennyfield Conservation Area Boat Ramp -- River Access Point -- 1.57 miles
  • Potomac Paddlesports -- Canoe and Kayak Rentals -- 1.68 miles
  • Muddy Branch -- Tributary -- 1.69 miles
  • Mather Gorge -- National Park Service Site -- 1.73 miles