Ala. Code § 22-26-2
The State Board of Health and/or county boards of health, acting through its duly authorized agents or employees, shall require every person, firm or corporation or municipal corporation, or agent thereof, owning or occupying property within the state, to install the type and number of sewage collection, treatment, and disposal facilities conforming to rules and regulations of the State Board of Health and/or county boards of health and require connection to a sanitary sewer conforming to rules and regulations of the State Board of Health and/or county boards of health where sanitary sewers are available and are not regulated by the municipal corporation, or to dispose of sewage in such sanitary manner as shall be approved by the State Board of Health. All required sewage treatment and disposal facilities shall conform in every respect with the specifications, rules, and regulations applying to these facilities made, adopted, and promulgated by the State Board of Health and/or county boards of health and shall be maintained as prescribed by the rules and regulations. No rule or regulation of the State Board of Health shall require the permitting or inspection by county government of any plumbing within structures.
Ala. Code § 22-26-2 (1975)