Subd. 2. Commissioner. "Commissioner" means the state commissioner of health.
Subd. 3. Federal regulations. "Federal regulations" means rules promulgated by the federal environmental protection agency, or its successor agencies.
Subd. 4. Public water supply. "Public water supply" has the meaning given to "public water system" in the federal Safe Drinking Water Act, United States Code, title 42, section 300f, clause (4).
Subd. 5. Supplier. "Supplier" means a person who owns, manages or operates a public water supply.