Swimming Pools & Spas in Ada County, ID (2026)
2 county-level rules, plus city-specific rules for 1 city in Ada County, Idaho.
Verified from official government sources
Pool Permits
Above-ground pools are explicitly covered by Ada County's Section AG 105. They need a barrier at least 48 inches tall; the pool wall itself can serve as the barrier if the gap between the top of the wall and the bottom of any mounted fence is no more than 4
Above-Ground Pool Rules
Some RestrictionsAda County / IRC Appendix Section AG 105.2(1)
Where the top of the pool structure is above grade, such as an above-ground pool, the barrier may be at ground level, such as the pool structure, or mounted on top of the pool structure. Where the barrier is mounted on top of the pool structure, the maximum vertical clearance between the top of the pool structure and the bottom of the barrier shall be 4 inches (102 mm).
Fencing & Safety Requirements
Residential pool safety in Ada County is enforced through the AG 105 barrier. Public/commercial pools must follow Idaho Department of Health and Welfare rules (IDAPA 16.02.14), which require lifeguards when bather counts exceed 35 and unsupervised children under 13 are present.
Pool Safety Rules (Public & Residential)
Some RestrictionsIDAPA 16.02.14.192.01
Lifeguard(s) are required at any public swimming pool when: a. The numbers of bathers within the pool enclosure exceed thirty-five (35); and b. Children under the age of thirteen (13) are allowed to swim without adult supervision.
Swimming Pools & Spas by City in Ada County
1 cities in Ada County have their own swimming pools & spas rules. Each link goes to that city's dedicated page with code citations.
All Ada County ordinances
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