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Lake Information for Little Seneca Lake


Little Seneca Lake is a reservoir located near the Boyds community in Montgomery County, Maryland. The lake was created by the construction of a dam on Little Seneca Creek. It was built to provide an emergency water supply for the metropolitan Washington, D.C. area, and it also provides a recreational amenity for the public. The lake is located in Black Hill Regional Park. Fishing and boating facilities are available at the park.

The lake was completed in 1985 and is jointly owned by the Washington Suburban Sanitary Commission (WSSC), the Washington Aqueduct and the Fairfax County Water Authority. The reservoir is operated and maintained by WSSC.

The surface area of the lake is 505 acres. The average depth is 24.7 feet with a maximum depth of 68 feet. The capacity of the lake is 4.25 billion gallons.

Fishing Description: 

The lake is stocked for recreational fishing. Fish species found in the lake include largemouth bass, tiger muskie, channel catfish, bluegill, and crappie.

Directions to Lake: 

NW of Gaithersburg in Black Hill Reg. Park (W of Rt. 270); take Rt. 118 S (Darnestown-Germantown Rd), then on Rt. 117 (Clopper Rd.) To N on Rt. 121 (Clarksburg Rd.).

Channel Catfish
Largemouth Bass
Optional Information
Maximum depth: 
Surface area: 
Little Seneca Lake
Lake type: 

Businesses Located Nearby

Bait & Tackle

    Smoketown Bait & Tackle
  • 27 W Potomac St - Brunswick, MD
  • (301) 834-5540
    Bluefin's Bait & Tackle
  • 700 Wise Ave, #B - Dundalk, MD
  • (410) 477-9244

Boat Rental

    Black Hill Boats
  • 20930 Lake Ridge Dr - Boyds, MD
  • (301) 972-6157

Vacation Rental

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