Boone County, KY Environmental Rules: Flood Zones (2026)

Boone County Code Chapter 151, Flood Damage Prevention, requires anyone developing land within a special flood hazard area of the unincorporated county to get a floodplain development permit first. 20, the permit application must go to the Floodplain Administrator on county-furnished forms before any development activity starts, and must include duplicate scaled plans showing the nature, location, dimensions and elevations of the site, existing or proposed structures, fill, storage of materials and drainage facilities. Local endorsement by the Floodplain Administrator is required before a state floodplain construction permit can even be processed.

At the application stage, the applicant must submit the proposed elevation of the lowest floor relative to mean sea level, or the floodproofing elevation for nonresidential structures, plus engineer or architect certifications. 20(B) requires the permit holder to submit an as-built elevation certification to both the Floodplain Administrator and the state before construction continues; the Administrator can issue a stop-work order if that certification or required corrections are not submitted. 11, the Floodplain Administrator's staff can issue a notice of violation for development that does not comply with the chapter or a permit's terms, followed by a citation demanding a civil monetary fine if the violation is not remedied within a reasonable, stated time. 06 determine whether a property sits within a mapped special flood hazard area.