It shall be the duty of every person, officer, board or department having any authority and control in regard to any water designed for human consumption to take all usual, and also all reasonable, measures and precautions, to secure and preserve the purity and wholesomeness of such water.
(Amend Coun. J. 12-9-92, p. 25465; Amend Coun. J. 6-10-96, p. 23652)