All rules and regulations heretofore adopted by the Sanitary Water Board and all orders made and actions taken by the Sanitary Water Board or the Secretary of Health under the provisions of law repealed by this act, shall continue in force with the same effect as if such laws had not been repealed, subject, however, to modification, change or annulment, as may be deemed necessary by the department, in order to comply with the provisions of this act.
35 P.S. § 691.608