The Cecil Township Municipal Authority was established by township Ordinance 4-1966 on May 5, 1966. The Commonwealth of Pennsylvania on March 1, 2004 amended the original incorporation of May 23, 1966 with an extension until December 1, 2053 under the authority Act 22 of 2001, know as the Municipal Authority Act.

The governing act for municipal authorities in PA Consolidated Statues Annotated Title 53, Chapter 56 as amended.

The Authority owns and operates three wastewater treatment plants and seven pumping stations. The wastewater plant located in Lawrence, PA serves the Teodori Business Park, and the subdivisions of Georgetown Estates and Hill Station Manor. The Cherrybrook treatment plant in Bridgeville, PA serves the Cherrybrook subdivision and surrounding properties located along Morganza Road. The Millers Run sewage treatment plant in Cecil serves properties along S.R. 50 with Cecil, McDonald and Canonsburg mailing addresses.

The Brush Run service area includes Muse and properties located along S.R. 980. The subdivisions of Pristine Fields, Heartland Farms, Mayfair Meadows and Alto Piano are included in this service area. The sewage for this area is treated at the Canonsburg treatment plant. Southpointe development consisting of both residential and businesses is located in Cecil Township and the treatment is handled at the Canonsburg treatment plant.