Ala. Code § 22-23-43
Upon completion of any such investigation or of any routine or special inspection, if the board shall determine that the water being supplied or to be supplied is impure, unwholesome or unpotable, fails to comply with a maximum contaminant level or may constitute a menace or danger to the health or lives of human beings, or that the existing or proposed works, systems, plant or water supply or proposed modifications thereof are not suited to the production and delivery of healthful, pure and wholesome water, then, upon order of the board, the applicant or supplier of water shall make, within a time designated by the board, such changes as the board deems necessary to secure a continuous supply of pure, wholesome, potable and healthy water. The board may prohibit the use of said water supply or any modification, construction or operation of said works, system or plant until all orders of the board are carried out. Thereafter, it shall be unlawful for the applicant to use the said public water supply or to modify, construct or operate the said works, system or plants until the orders of the board are withdrawn.
Ala. Code § 22-23-43 (1975)