Middlesex Water Company owns and operates regulated water utility and wastewater systems in the United States. It operates in two segments, Regulated and Non-Regulated. The Regulated segment collects, treats, and distributes water on a retail and wholesale basis to residential, commercial, industrial, and fire protection customers; and provides regulated wastewater system in New Jersey, Pinelands Wastewater. The Non-Regulated segment provides non-regulated contract services for the operation and maintenance of municipal and private water and wastewater systems.