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Biggest Lakes and Reservoirs in Maryland

Maryland's biggest named fishing waters by surface acreage, from USGS records. 239 lakes and reservoirs carry acreage data in Maryland; more water usually means more patterns to unlock.

In this scope: 239 waters · 6,410 acres

  1. Triadelphia ReservoirReservoir · Montgomery County794 acres
  2. Rocky Gorge ReservoirReservoir · Howard County655 acres
  3. Little Seneca LakeLake · Montgomery County480 acres
  4. Backgarden PondLake · Dorchester County347 acres
  5. Goose PondLake · Dorchester County302 acres
  6. Saint Marys LakeReservoir · St. Mary's County226 acres
  7. Purnell PondLake · Worcester County113 acres
  8. Lake RolandReservoir · Baltimore County98 acres
  9. Rock PondLake · Somerset County86 acres
  10. Wolfpit PondLake · Dorchester County80 acres
  11. Hall PondLake · St. Mary's County78 acres
  12. Carroll PondLake · St. Mary's County77 acres
  13. Chews CreekLake · Queen Anne's County76 acres
  14. Barbadoes PondLake · Dorchester County75 acres
  15. Trinity LakeReservoir · Charles County73 acres
  16. Chesapeake Ranch Club LakeReservoir · Calvert County72 acres
  17. Swan PondLake · Dorchester County70 acres
  18. Hog Rooting PondLake · Dorchester County61 acres
  19. Swan PondLake · Dorchester County57 acres
  20. Lake MontebelloReservoir · Baltimore (city) County57 acres
  21. Wheatley LakeReservoir · Charles County56 acres
  22. Cash LakeReservoir · Prince George's County56 acres
  23. Great PondLake · Somerset County55 acres
  24. Blackwater PondLake · Dorchester County55 acres
  25. Clopper LakeReservoir · Montgomery County54 acres

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