California Code, Health and Safety Code - HSC § 116655

(1) Directing compliance forthwith.

(2) Directing compliance in accordance with a time schedule set by the state board.

(3) Directing that appropriate preventive action be taken in the case of a threatened violation.

(1) That the existing plant, works, or system be repaired, altered, or added to.

(2) That purification or treatment works be installed.

(3) That the source of the water supply be changed.

(4) That no additional service connection be made to the system.

(5) That the water supply, the plant, or the system be monitored.

(6) That a report on the condition and operation of the plant, works, system, or water supply be submitted to the state board.