28 Pa. Code § 18.21
The water used at public bathing places for swimming or recreative bathing shall meet the bacteriological, chemical, physical and radiological standards of the Department.
The provisions of this § 18.21 adopted September 18, 1971, effective September 18, 1971, 1 Pa.B. 1921; amended November 29, 1974, effective December 16, 1974, 4 Pa.B. 2453. Immediately preceding text appears at (4792).