5 county-level rules, plus city-specific rules for 1 city in Johnson County, Iowa.
Verified from official government sources
In unincorporated Johnson County the Planning, Development and Sustainability department permits residential pools under the adopted 2024 International Residential Code. Iowa City, Coralville, and North Liberty permit pools inside their limits. Iowa's state pool rules cover public pools, not single-family backyards.
Iowa Admin. Code r. 641-15.1(135I) (Swimming Pools and Spas, Applicability)
These rules do not apply to a residential swimming pool or spa that is permanently installed in a single-family dwelling, to a decorative fountain, or to a therapeutic swimming pool or spa which is under the direct supervision of qualified medical personnel.
Johnson County and its cities require a 48-inch barrier around a residential pool or spa under the International Residential Code they enforce. Gates must be self-closing and self-latching, with the latch out of a child's reach.
Residential pools in Johnson County must meet the federal anti-entrapment drain-cover standard plus the building code's barrier, gate, and electrical rules. Missing safety features must be disclosed when the home is sold.
Johnson County treats an above-ground pool over 24 inches deep as a permitted structure. The pool wall can serve as the barrier only if the ladder is removable or lockable. Small inflatable pools are exempt.
Johnson County and its cities require an electrical permit for a hot tub or spa's 240-volt circuit. A locking, listed safety cover can satisfy the barrier rule in place of a full pool fence.
1 cities in Johnson County have their own swimming pools & spas rules. Each link goes to that city's dedicated page with code citations.
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