Wetlands in Oregon
See mapped wetlands and who to ask before filling or building near one.
Oregon Department of Environmental Quality
Oregon's environmental agency: water quality, wetlands, waste and the permits that go with them.
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- NRCS wetland determinations and conservation complianceFarm wetland rules for USDA program participants. Before you drain, fill or clear a wet area in a farm field, ask NRCS at your local USDA Service Center for a …
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- Conservation Reserve Program (CRP) sign-up, USDA Farm Service AgencyHow the Conservation Reserve Program works, which sign-ups are open and what it pays. You enroll land in CRP at your county Farm Service Agency office at the l…
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- NRCS highly erodible land determinationsHow NRCS decides whether a farm field is highly erodible land, which affects USDA program eligibility and conservation plans. Requests go to NRCS at your local…
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- USFWS Wetlands MapperNational Wetlands Inventory map from USFWS. Click any spot to see mapped wetland type. Some states publish a newer inventory of their own, so check the state w…
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About wetlands
Wetland maps help identify areas that may need further review before filling, draining, or building. Use the relevant state and local environmental offices for permit guidance; a mapped boundary is a screening reference.