The Commissioner shall supervise and direct the execution of all laws vested in the Department of Health by virtue of this title and shall formulate and carry out all policies relating thereto and shall adopt such rules as are necessary to administer this title and shall make a biennial report with recommendations to the Governor and to the General Assembly. The Commissioner's jurisdiction over sewage disposal includes emergent conditions that create a risk to the public health as a result of sewage treatment and disposal, or its effects on water supply, but does not include rulemaking on design standards for on-site sewage disposal systems.
18 V.S.A. § 102