Code of Massachusetts Regulations
105 CMR - DEPARTMENT OF PUBLIC HEALTH
Title 105 CMR 435.000 - Minimum Standards For Swimming Pools (state Sanitary Code: Chapter V)
Operation and Maintenance
Section 435.31 - Water Clarity

Current through Register 1531, September 27, 2024

At all times any swimming, wading or special purpose pool is in use, the water shall be sufficiently clear to permit a black discsix inches in diameter on a white field, when placed on the bottom of the pool at the deepest point, to be clearly visible from the sidewalks of the pool at all distances up to ten yards measured from a line drawn across the pool through said disc.

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