Police juries may divide their respective parishes into one or more waterworks districts, with such name or numbers as the police jury may designate. The police jury may repeal any ordinance creating a waterworks district, or may abolish a waterworks district in its entirety or may change or alter the boundaries thereof; provided, however, that neither the existence nor the territorial boundaries of a waterworks district shall be changed in any manner which shall impair any obligations that may have been incurred by the waterworks district during the period of its existence. Before any order is entered in any manner affecting the existence or territorial limits of any waterworks district, the police jury shall
La. R.S. § 33:3811