In Connecticut, public swimming pool safety is governed by the Connecticut Public Health Code, specifically Section 19-13-B33b. As of July 1, 2026, significant updates to the State Building Code and legislative changes (like HB 5169) have reshaped barrier requirements, particularly for in-ground pools.
Connecticut has implemented a major shift in how pools must be secured. The most critical change for 2026 is the elimination of "power covers" as a stand-alone safety measure.
Physical Barriers Mandatory: As of July 1, 2026, powered or retractable safety covers are no longer accepted as a substitute for a physical fence for in-ground pools.
Fence Standards: Barriers must be at least 4 feet (48 inches) high. Opening sizes must not allow a 4-inch sphere to pass through, and the ground gap must be less than 2 inches.
Gates: Must open outward (away from the pool), be self-closing and self-latching. The release mechanism for the latch must be at least 54 inches from the ground.
Alarms: If a house wall forms part of the barrier, any door leading to the pool must have an alarm that produces a sound of at least 50 decibels.
This regulation covers the daily operation and sanitation of all public pools (municipal, club, school, and apartment pools).
Operating Permits: All public pools must obtain an annual operating permit from their local District Health Department following a pre-opening inspection.
Water Chemistry:
Chlorine: Minimum 1.0 ppm (Free Available Chlorine).
pH: Must be maintained between 7.2 and 7.8.
Clarity: A 6-inch Secchi disk (black and white) must be clearly visible at the deepest point of the pool.
Daily Logs: Operators are legally required to maintain daily records of water quality tests, which must be kept for at least one year.
Lifeguards: Required for "Public Diving Pools" and pools where a direct fee is charged. If no lifeguard is on duty (e.g., at a condo or hotel), a "Caution: No Lifeguard on Duty" sign must be posted in letters at least 4 inches high.
Life-Saving Units: For every 100 feet of pool perimeter, there must be "One Unit of Lifesaving Equipment," which includes:
A 12-foot reaching pole or shepherd’s crook with blunted ends.
A ring buoy (max 15-inch diameter) with a 50-foot throw line attached.
Depth Markers: Must be located on the pool deck in contrasting colors at the minimum and maximum depths and at every point where the slope changes.
CT Public Health Code Section 19-13-B33b (Full Text): The primary legal document for public pool operations (see page 24).
Connecticut Public Swimming Pool Design Guide (2021/2026 Manual): Technical specifications for construction and renovations.
2026 Building Code Revisions Summary: Details on the July 1, 2026, fencing and barrier deadline.
Ledge Light Health District - Public Pool Resources: An excellent example of local inspection forms and application checklists.
Note for 2026: A new law (effective Oct 1, 2026) authorizes the Department of Energy and Environmental Protection (DEEP) to establish a program for free swimming lessons for children under 17 who meet certain income criteria. Keep an eye on the DEEP website for registration details this summer.
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