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Important Watershed Updates

Triadelphia and T. Howard Duckett Reservoirs are closed for the winter season from December 1, 2023 to March 14, 2024.

As per regulations, this seasonal closure affects all permitted activities (bird watching, boating, fishing, hiking, horseback riding and picnicking) except for archery hunting.

If you have any questions, please contact

Get Outside!

WSSC WaterSHED app

If you enjoy fishing, hiking, bird watching, boating, hunting, horseback riding or picnicking, WSSC Water has an app for you! WSSC WATERshed is your resource for exploring the recreational opportunities in and around our two reservoirs in Montgomery, Prince George’s, and Howard Counties. Our interactive map provides all the information you need to enjoy the great outdoors.

Download our new WSSC WaterSHED mobile app today!

Available now for iPhone and Android users



Interactive Google™ Maps of WSSC Water Recreation Areas are linked to each location title

Location Address Boat
Playground Grills Moors
Handicapped Pier Plant List

Browns Bridge Recreation Area

2220 Ednor Road
Silver Spring, MD 20905


Scott's Cove Recreation Area

10972 Harding Road
Laurel, MD 20723

X X X X X    

Supplee Lane Recreation Area

16904 Supplee Lane 
Laurel, MD 20707

X X   X      

Big Branch Recreation Area

14801 Triadelphia Mill Road
Dayton, MD 21036

X X X X      

Brighton Dam

2 Brighton Dam Road
Brookeville, MD 20833

  X X X      

Greenbridge Recreation Area

2800 Greenbridge Road
Brookeville, MD 20833

X       X    

Pig Tail Recreation Area

5600 Green Bridge Rd
Dayton, MD 21036


Triadelphia Recreation Area

2600 Triadelphia Lake Road
Brookeville, MD 20833





Watershed Permits:

As per WSSC Water Watershed Regulations:

WSSC Water reserves the right to close a portion of, or the entire watershed without prior notice if:

  • water quality is negatively affected,
  • water levels drop to unacceptable levels,
  • the health and safety of the watershed, WSSC’s Water systems, customers, or permitted watershed users are at risk.

At its sole discretion, WSSC Water may change these regulations for any other reason as needed

Please call (301) 206-4386(4FUN) before making any watershed permit purchases to ensure the reservoir that you’d like to use is currently open for recreation.

Last Modified: November 30, 2023, 11:00 am EST