All water used in the operation of a school shall be provided from a supply approved by the Department. Approval of a water supply shall be based upon satisfactory compliance with the construction standards for individual water supplies adopted by the Department. The water supply shall be adequate in quantity and shall meet the bacteriological and chemical water standards of the Department. Unapproved water supplies shall be made inaccessible to the public in a manner deemed satisfactory to the Department.
25 Pa. Code § 171.3