12 Va. Admin. Code § 5-460-300 - Filtration; water clarity

The filters should be operated 24 hours per day during the season of use of the swimming pool. At all times when the pool is open for use, the water shall be sufficiently clear to permit a disc six inches in diameter, divided into alternate black and white quadrants, when placed on the bottom of the pool at the deepest point, to be clearly visible from the swimming pool deck at all distances up to ten yards in a horizontal direction from the projection of the disc on the swimming pool surface.

Chemicals other than chlorine, sodium or calcium hypochlorite, lime, soda ash, and aluminum sulfate shall not be used to treat swimming pool water without permission.


12 Va. Admin. Code § 5-460-300
Derived from VR355-35-05 § 30, eff. March 1, 1962.

Statutory Authority

§ 35.1-13 of the Code of Virginia.

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