1 county-level rule, plus city-specific rules for 2 cities in St. Louis County, Missouri.
Verified from official government sources
St. Louis County regulates swimming pools through Title VIII, Chapter 808 SLCRO 1974 and the adopted International Residential Code (IRC) and International Swimming Pool and Spa Code. Pools deeper than 24 inches require a barrier at least 48 inches high. Openings in the barrier may not allow passage of a 4-inch sphere. Gates must be self-closing and self-latching, with the latch release mechanism positioned at least 54 inches above the walking surface (or located on the inside of the gate when below 54 inches). Bottom of the fence must be no more than 1 inch above grade or decking. Permits are issued by the St. Louis County Department of Public Works.
2 cities in St. Louis County have their own swimming pools & spas rules. Each link goes to that city's dedicated page with code citations.
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