Wetlands in Washington County, Maryland

Washington County, Maryland has 9,836 acres wetland mapped. The map below shows every mapped feature inside the county boundary.

Washington County, Maryland at a glance

Wetland mapped9,836 acres
Distinct wetlands mapped2,623
Share of the county that is wetland3.3%
Most common wetland typeRiverine (1,056)
Distinct wetland types5
Largest single wetland1,780 acres (Riverine)

Washington County, Maryland is home to 157,731 residents. Land Owl's national wetlands layer records the following within the county boundary — Wetland mapped: 9,836 acres. Distinct wetlands mapped: 2,623. Share of the county that is wetland: 3.3%. Most common wetland type: Riverine (1,056). Distinct wetland types: 5. Largest single wetland: 1,780 acres (Riverine). Every feature shown on the map above is clickable, and the figures on this page are derived from the same data the map renders, so they always agree. A free Land Owl account adds parcel boundaries, ownership records, flood zones, soils, wetlands and topography over the same view.

Frequently asked questions

How many wetlands are there in Washington County, Maryland?
Land Owl maps 9,836 acres wetland mapped within Washington County, Maryland.
Is this wetlands map free to use?
Yes. This map is free to view. A free Land Owl account unlocks the other data layers, parcel boundaries and ownership records.
Where does this data come from?
Land Owl maps wetlands from the U.S. Fish & Wildlife Service National Wetlands Inventory (NWI). NWI-mapped wetlands are a screening tool, not a jurisdictional delineation — confirm any boundary with a qualified delineator before you rely on it.

See every layer over Washington County

Parcel boundaries, ownership, flood zones, soils, wetlands and topography on one map.

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