Sewage - As enacted, prohibits a municipal sewer system or utility district that has operated a sewerage system outside of the corporate boundaries of the city or town for 25 years or more from ceasing operation of the sewerage system outside the corporate boundaries so long as the sewerage system maintains sufficient capacity; requires a utility system that provides wastewater service to provide a connection to the owner of real property for wastewater service when the utility system meets certain requirements. - Amends TCA Title 7, Chapter 35; Title 7, Chapter 82 and Title 68, Chapter 221.