5 county-level rules, plus city-specific rules for 1 city in Minnehaha County, South Dakota.
Verified from official government sources
Minnehaha County adopted the 2021 International Residential Code (IRC) effective May 27, 2022, which requires a building permit for swimming pools, spas, and hot tubs over 24 inches deep in unincorporated areas. Prefabricated/portable pools less than 18 inches deep are exempt from building permits but must still meet zoning setbacks for accessory structures. Permits are issued by the Minnehaha County Planning & Zoning Department; pools inside Sioux Falls, Brandon, Hartford, or Dell Rapids fall under city codes instead.
South Dakota has no statewide pool-barrier statute, so the binding rule in unincorporated Minnehaha County is the 2021 International Residential Code Appendix G, adopted by the County Commission in April 2022. Outdoor residential pools, spas, and hot tubs deeper than 24 inches require a barrier at least 48 inches high (measured outside the pool), with no openings allowing passage of a 4-inch sphere. Gates must be self-closing, self-latching, and open outward away from the pool, with the latch at least 54 inches above grade. The barrier must be inspected and approved before the pool is filled.
Minnehaha County does not have a stand-alone pool safety ordinance — safety rules ride on the 2021 IRC Appendix G adoption. Required safety elements are: a compliant 48-inch perimeter barrier, self-closing self-latching gates opening away from the pool, door alarms (UL 2017) on any dwelling door giving direct pool access OR an ASTM F1346 powered safety cover, and pre-fill inspection. South Dakota imposes no additional state-level pool safety mandates. General nuisance law (SDCL 21-10-1) backs up enforcement if an unsecured pool endangers public safety.
Above-ground pools deeper than 24 inches in unincorporated Minnehaha County require a building permit and must meet IRC Appendix G barrier rules. The pool wall itself may serve as the barrier IF it is at least 48 inches high on the outside; otherwise a separate perimeter barrier is required. Removable ladders must be capable of being secured, locked, or removed when the pool is not in use. Prefabricated above-ground pools less than 18 inches deep are permit-exempt but still must respect accessory-structure setbacks.
Hot tubs and spas in unincorporated Minnehaha County are governed by the 2021 IRC Appendix G barrier rules — the same as pools — BUT a hot tub or spa equipped with a locking safety cover compliant with ASTM F1346 is fully exempt from the Appendix G barrier requirements. This is the practical baseline: install a quality lockable cover and a perimeter fence is not required. Spas/hot tubs deeper than 24 inches still require a building (or electrical) permit, and accessory-structure setbacks apply.
1 cities in Minnehaha County have their own swimming pools & spas rules. Each link goes to that city's dedicated page with code citations.
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