Mariposa County's two stated main pool safety concerns are drowning and electrical hazards. Permitted pools must have a state-approved drowning-prevention barrier/device plus GFCI-protected wiring, and at least two of seven safety features must be documented at plan check.
The County Building Department identifies two main safety concerns for every pool: drowning and electrical hazard. For drowning, a safety device or enclosure approved under California Health & Safety Code sections 115920-115929 must be installed, and the permit submittal must document at least two required safety features. For electrical, a GFCI-protected electrical system must be installed. The County cites two governing references: California Senate Bill 442 (amending Business & Professions Code 7195 and Health & Safety Code 115922 and 115925), and the 2025 California Residential Code, Title 24, Part 2.5, Appendix CI (Swimming Pool Safety Act). Heated pools also require Title 24 energy-compliance documentation. Separately, PUBLIC pools (such as those at lodges, parks, and multi-unit complexes) are regulated by Mariposa County Environmental Health under Title 22 of the California Code of Regulations: critical 'closure' violations include cloudy water where the bottom is not visible, inadequate disinfection, improper pH, missing or broken suction-outlet (anti-entrapment) covers, and missing or broken fencing/gates. Pools over 75 feet long or 50 feet wide must provide a rescue pole and life ring on at least two opposing sides. Daily chemical records (free chlorine/bromine and pH) must be kept and maintained for two years.
For private pools, failure to provide an approved barrier, two safety features, or GFCI protection prevents permit approval and legal use. For public pools, Environmental Health may order immediate closure for any critical violation (e.g., broken suction-outlet cover, missing fencing, inadequate disinfection) until corrected.
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