73 Pa.C.S. § 6121: Contracts for sewer and drainage systems.

(a) General rule.--In a case where, under the authority of section 6101 (relating to power to establish and construct sewers and drains and require connections and sewer rentals), a system of sewage and drainage covering a township in whole or in part shall be approved and authorized by ordinance, the board of commissioners may enter into a contract with any responsible individual or corporation for the construction of a system of sewage or drainage at the expense of the individual or corporation and the following shall apply:

(1) The individual or corporation shall be entitled under the contract to exercise all the powers of the township in the construction, maintenance and operation of the system of sewage or drainage, with the right to collect fees connected to the construction, maintenance and operation as the board of commissioners prescribes, in as full a manner as the fees might have been collected by the township or the commissioners.

(2) In the contract, the board of commissioners shall reserve to the township the right at any time, after a prescribed time, to take possession of the system of sewage and drainage and the system's appurtenances, at a price and upon terms to be fixed in the contract.

(b) Construction.--Nothing in this section shall be construed to repeal or modify any of 66 Pa.C.S. (relating to public utilities).