Pennsylvania Code
Title 28 - HEALTH AND SAFETY
Part II - LOCAL HEALTH
Chapter 18 - PUBLIC SWIMMING AND BATHING PLACES
WATER SUPPLY
Section 18.29 - Disinfection of pool water
Current through Register Vol. 54, No. 44, November 2, 2024
(a) When chlorine or a hypochlorite compound is used for disinfection, the free chlorine residual in the water in all parts of the pool when in use shall be at least 0.4 milligram per liter and the pH value of the water shall be at least 7.2 and not more than 8.2.
(b) Other disinfecting materials or methods may be used after approval by the Department when they have been adequately demonstrated to:
(c) Testing kits shall be provided for making the necessary tests for residual disinfection and pH. The kit for disinfectant residual shall be accurate within 0.1 milligram per liter of chlorine or equivalent. The pH kit shall be accurate within 0.2 pH units. When the pool is in use tests shall be made at least twice daily or more often if required by the Department.
This section cited in 28 Pa. Code § 18.23 (relating to recirculation and filtration).