Wetlands in Ohio
See mapped wetlands and who to ask before filling or building near one.
Ohio county ditch and drainage improvements
Ohio law on single-county drainage improvements such as ditches, drains and tiling. An owner petitions the board of county commissioners, after first consulting the county engineer, and the commissioners decide whether to build the improvement. Call the county engineer or county commissioners about a county ditch.
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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.