Wetlands in Washington County, Oregon
Washington County, Oregon has 14,877 acres wetland mapped. The map below shows every mapped feature inside the county boundary.
Washington County, Oregon at a glance
| Wetland mapped | 14,877 acres |
|---|---|
| Distinct wetlands mapped | 8,787 |
| Share of the county that is wetland | 3.2% |
| Most common wetland type | Riverine (5,404) |
| Distinct wetland types | 6 |
| Largest single wetland | 1,104 acres (Lake) |
Washington County, Oregon is home to 611,708 residents. Land Owl's national wetlands layer records the following within the county boundary — Wetland mapped: 14,877 acres. Distinct wetlands mapped: 8,787. Share of the county that is wetland: 3.2%. Most common wetland type: Riverine (5,404). Distinct wetland types: 6. Largest single wetland: 1,104 acres (Lake). 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, Oregon?
- Land Owl maps 14,877 acres wetland mapped within Washington County, Oregon.
- 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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