Environmental Rules in Franklin County, OH (2026)

Franklin County Zoning Resolution § 655.142

Stormwater management and drainage facilities including appurtenances thereto are prohibited within riparian setbacks. h) Sediment and Erosion Controls. No structural sediment controls, such as a silt fence, a sediment settling pond, or other structural post-construction controls, may be used in a stream or the delineated setback, except as permitted in Section 655.124.

Franklin County Zoning Resolution § 705.022

A grading plan and storm sewer layout, to include existing and proposed surface and subsurface draining features indicating how storm runoff will be handled; The requirements of 705.022, or portions thereof, may be waived by the Administrative Officer when, in his opinion, the applicant has satisfactorily demonstrated that all aspects relative to the above have been suitably addressed. Applicat...

FEMA Flood Map Service Center

FEMA Flood Map Service Center: Welcome! Looking for a Flood Map? Enter an address, a place, or longitude/latitude coordinates: Looking for more than just a current flood map? Visit Search All Products to access the full range of flood risk products for your community. About Flood Map Service Center The FEMA Flood Map Service Center (MSC) is the official public source for flood hazard informatio...

Franklin County Zoning Resolution § 610.081

Flood protection shall be achieved by elevating the building. Buildings shall not be permitted with floor levels below the base flood elevation. The lowest floor, including basement, shall be at least one (1) foot above the Base Flood Elevation, plus Floodway computation increases. Floodway computation increases range from 0.0 to 0.5 feet and are listed in the Flood Insurance Study published by...