Any public agency entering into an agreement pursuant to this article may appropriate funds and may sell, lease, give, or otherwise supply to the authority created such personnel or services for the operation of such authority as may be within its legal power to furnish.

Any public agency, whether or not a party to an agreement pursuant to this article, and any publicly or privately owned water distribution company may enter into contracts with any regional water authority or regional water and wastewater authority created pursuant to this article for the purchase of water from such authority or the sale of water to the authority, the treatment of water by either party and the distribution or transmission of water by either party and any such authority may enter into such contracts, subject to the prior approval of the Public Service Commission pursuant to the provisions of section twelve, article two of chapter twenty-four of this code. Any public agency, whether or not a party to an agreement pursuant to this act, and any publicly or privately owned wastewater transportation or treatment system may enter into contracts with any regional wastewater authority or regional water and wastewater authority created pursuant to this article for the transportation and treatment of wastewater by either party and any such authority may enter into such contracts, subject to the prior approval of the Public Service Commission pursuant to the provisions of section twelve, article two of chapter twenty-four of this code: Provided, That if the Public Service Commission has not acted on any such proposed contract within ninety days of its filing, such approval shall be deemed to have been granted. Any such contract may include an agreement for the purchase of water not actually received or the treatment of wastewater not actually treated. No such contract shall be made for a period in excess of forty years, but renewal options may be included therein. The obligations of any public agency under any such contract shall be payable solely from the revenues produced from such public agency's water or wastewater system, and the Public Service Commission, in the case of a public agency whose rates are subject to its jurisdiction, shall permit the public agency to recover through its rates revenues sufficient to meet its obligations under such agreement.