All residential pools and spas in DC must be enclosed by a barrier meeting the 2017 DC Construction Codes (DCMR 12-A Appendix G, based on IRC Appendix G). Minimum barrier height is 48 inches, gates must self-close and self-latch with the release at least 54 inches above grade, and openings must not pass a 4-inch sphere.
DC adopts IRC Appendix G (Swimming Pools, Spas, and Hot Tubs) with District amendments under DCMR 12-A to regulate barriers around private swimming pools, spas, and hot tubs. Any pool capable of holding water more than 24 inches deep must have a barrier at least 48 inches high measured from the finished ground on the exterior side. Vertical openings may not exceed 4 inches; horizontal openings in solid barriers (like stucco walls) are unrestricted, but for picket fences the spacing of horizontal members must not create a climbable condition. Gates serving the pool area must open outward away from the pool, be self-closing and self-latching, with the latch handle located 54 inches or higher above the ground. Where a house wall serves as part of the barrier, doors leading to the pool must have alarms sounding within 7 seconds of opening, or a power-operated safety cover. All permits are issued by the Department of Buildings, and final inspection includes the barrier. Above-ground pools with walls 48 inches or higher may serve as their own barrier if ladders are removable or lockable. DC Public pools additionally fall under DC Health regulations.
Installing pool without compliant barrier: stop-use order plus $2,000 fine under DCMR 16-3201. Failure to self-latch gate: $500 civil infraction. Drowning incident with non-compliant barrier: potential criminal negligence charge plus massive civil liability.
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See how District of Columbia's pool barriers rules stack up against other locations.
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