Water and sewer utility services supply drinking water, remove sewage and wastewater, and/or install connections from processing facilities to private or public water lines and sewers. They supply water to commercial, industrial, and residential end-users; and receive sewage, wastewater, and other used water (such as gray water) for treatment.
Typically, water and sewer utility services are municipal or public entities; however, privately-held companies may build and install water and sewer lines. Water wells, septic tanks or fields, and related infrastructure are often the property owner’s - and not a municipality - responsibility. The permitting, installation, and inspection process may involve private utilities and government agencies, however.