Sec. 22. Supplementary charges. The district is authorized to impose charges, in addition to any other assessments now lawfully imposed by general law, for the use of sewers, sewer systems and treatment works. The trustees may adopt rules as may be necessary or convenient to carry out the purposes of the district. All incidental powers, rights and privileges necessary to the accomplishment of the purposes of the district are granted to the district and its trustees, including the right of its trustees to determine when and where sewerage and treatment facilities and disposal units are needed and when and where the same are constructed.

Sec. 23. Competitive bidding. A contract in excess of $2,000 between the district and a contractor for the construction of facilities located on private property for the exclusive use of a private individual and for which the private individual is required to pay the total cost directly to the district must be awarded by a system of competitive bidding. Unless there are valid reasons to the contrary, the contracts must be awarded to the lowest responsible bidder.

Sec. 24. District personnel records. The personnel records of the district are confidential to the same extent as municipal records pursuant to the Maine Revised Statutes, Title 30-A, section 2702, subsection 1. The records are reviewable by employees of the district to the same extent and in the same manner as provided for municipal personnel records pursuant to the Maine Revised Statutes, Title 30-A, section 2702, subsection 2.

Sec. 25. Sewer extension. The district may not construct a sewer extension unless the district complies with the provisions of the Maine Revised Statutes, Title 38, section 1252, subsection 7.

Sec. 26. P&SL 1955, c. 69, as amended, is repealed.

Sec. 27. Existing law not affected; rights conferred subject to provisions of law. Except as expressly provided in this Act, nothing contained in this Act is intended to repeal or may be