5 county-level rules, plus city-specific rules for 2 cities in Guilford County, North Carolina.
Verified from official government sources
A private residential pool needs a building/electrical permit through Guilford County Inspections; there is no state operation permit for a private pool. Any pool open to the public (apartment, club, HOA, motel) must hold a North Carolina public-pool operation permit issued by the local health department.
15A NCAC 18A .2510(a); G.S. 130A-280
No public swimming pool shall commence or continue operation unless the owner or operator has an operation permit issued by the Department for each public swimming pool. This Article does not apply to a private pool serving a single family dwelling and used only by the residents of the dwelling and their guests.
A residential pool must be enclosed by a barrier at least 48 inches high with a self-closing, self-latching gate under the NC Residential Code, enforced by Guilford County Inspections. Public pools follow a parallel 48-inch fence-and-gate standard in 15A NCAC 18A .2528.
NC Residential Code AG105.2
The top of the barrier shall be at least 48 inches (1219 mm) above grade measured on the side of the barrier which faces away from the swimming pool. The maximum vertical clearance between grade and the bottom of the barrier shall be 2 inches (51 mm). Openings in the barrier shall not allow passage of a 4-inch-diameter (102 mm) sphere.
Public pools in Guilford County must post depth markings, No Diving markers, and No Lifeguard warning signs under 15A NCAC 18A .2500. Residential pools rely on the NC Residential Code barrier, gate, and door-alarm requirements enforced by Guilford County Inspections.
15A NCAC 18A .2523(b), (d)
Depth markers shall be so spaced that the distance between adjacent markers is not greater than 25 feet (7.5 m) when measured along the perimeter of the pool. "No Diving" markers shall be provided on the pool deck adjacent to all areas of the pool less than five feet deep.
An above-ground residential pool still needs a NC Residential Code barrier. The pool wall can serve as the barrier if it is at least 48 inches high, and any ladder or steps must be removable, lockable, or fenced so children cannot climb in.
NC Residential Code AG105.2(10)
Where an aboveground pool structure is used as a barrier or where the barrier is mounted on top of the pool structure, and the means of access is a ladder or steps, then: the ladder or steps shall be capable of being secured, locked or removed to prevent access, or the ladder or steps shall be surrounded by a barrier which meets the requirements of Section AG105.2, Items 1 through 9.
A private home hot tub follows the same NC Residential Code barrier rules as a pool, but a spa or hot tub with a safety cover meeting ASTM F1346 is exempt. A public spa must meet the pool rules plus extra circulation and timer standards in 15A NCAC 18A .2532.
15A NCAC 18A .2532(1)
Spas and hot tubs shall meet all design specifications for swimming pools and wading pools included in Rules .2512 through .2530 of this Section with the following exceptions: The circulation system equipment shall provide a turnover rate for the entire water capacity at least once every 30 minutes.
2 cities in Guilford County have their own swimming pools & spas rules. Each link goes to that city's dedicated page with code citations.
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