Environmental Rules in Adair County, IA (2026)

2 rules for unincorporated Adair County, Iowa.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Adair County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Flood Zones

Adair County Ordinance No. 37 applies to every special flood hazard area in the county, defined as Zone A on the Flood Insurance Rate Map for Adair County dated April 5, 2017. Development there must minimize flood damage, use flood-resistant materials and obtain every other required federal, state and local permit, including Iowa DNR approval when required.

Adair County Flood Hazard Area Rules (Zone A)

Some Restrictions

Adair County Ordinance No. 37, Section II(A)-(B) and Section III(A)

The provisions of this Ordinance shall apply to all areas having special flood hazards within the jurisdiction of Adair County. For the purpose of this Ordinance, the special flood hazard areas are those areas designated as Zone A on the Flood Insurance Rate Map for Adair County, dated April 5, 2017, which is hereby adopted and made a part of this Ordinance. ... The boundaries of the Special Fl...

Full ordinance details →Official source ↗

Flood Elevation Requirements

In Adair County's Zone A flood hazard areas, new or substantially improved residential and non-residential buildings must have the lowest floor, including basement, at least one foot above the 100-year flood level. Residential fill must extend 18 feet beyond the structure, and structural flood control works need 3 feet of design freeboard.

Adair County Flood Elevation and Freeboard Requirements

Significant Restrictions

Adair County Ordinance No. 37, Section III(B), (C) and (H)

B. Residential buildings - All new or substantially improved residential structures shall have the lowest floor, including basement, elevated a minimum of one (1) foot above the 100-year flood level. Construction shall be upon compacted fill which shall, at all points, be no lower than 1.0 ft. above the 100-year flood level and extend at such elevation at least 18 feet beyond the limits of any ...

Full ordinance details →Official source ↗

All Adair County ordinances

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