(a) This subchapter shall be construed as cumulative authority for the purchase or construction of a waterworks system or for the construction of betterments and improvements thereto and shall not be construed to repeal any existing laws with respect thereof.
(b)
(1) This subchapter shall, without reference to any other statute, be deemed full authority for the construction, acquisition, improvement, equipment, maintenance, operation, and repair of the works provided for in this subchapter and for the issuance and sale of the bonds by this subchapter authorized, and shall be construed as an additional and alternative method therefor and for the financing thereof.
(2) No petition or election, or other or further proceeding, in respect to the construction or acquisition of the works or to the issuance or sale of bonds under this subchapter and no publication of any resolution, ordinance, notice, or proceeding relating to the construction or acquisition or to the issuance or sale of the bonds shall be required except as prescribed by this subchapter, any provisions of other statutes of the state to the contrary notwithstanding.
(3) All functions, powers, and duties of the Department of Health shall remain unaffected by this subchapter.
(c) This subchapter being necessary for the public health, safety, and welfare, it shall be liberally construed to effectuate its purposes.