Middlesex Water

Welcome To Our Press Room

We invite you to learn more about Middlesex Water and its family of companies by exploring the information listed here. We take pride in the work we do to deliver essential services to thousands of residents in New Jersey and Delaware. We also believe in the importance of honest and open communications and the value of keeping our employees, customers and shareholders informed about the value of the services we provide. We hope you find the information provided here helpful.

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Company Profile

Middlesex Water Company, (NASDAQ:MSEX) established in 1897, provides a full range of regulated and non-regulated water, wastewater utility and related services in parts of New Jersey and Delaware. The company engages in collecting, treating, distributing and selling water for domestic, commercial, municipal, industrial and fire protection purposes. Services include:

  • Water Production, Treatment and Distribution
  • Full Service Municipal Contract Operations
  • Wastewater Collection and Treatment
  • Design/Build/Ownership and Operation of Assets
  • Public/Private Partnerships
  • Utility Billing and Collections
  • Water/Wastewater System Maintenance
  • Water and Sewer Line Maintenance (through a third-party vendor)
  • Turnkey Renewable Energy Services

Over the years, Middlesex Water has grown from a single water utility to ten distinct operating units meeting a full range of residential, commercial, industrial and municipal water and wastewater needs.


Our Family of Companies: Middlesex Water Company

The Middlesex System

Retail Customers

The Middlesex System provides water services to about 60,000 retail customers, primarily in eastern Middlesex County, New Jersey. Areas served on a retail basis include: Woodbridge Township, the Boroughs of Carteret and Metuchen, the City of South Amboy, portions of Edison and South Plainfield and to a minor extent, a portion of the Township of Clark in Union County, NJ. These retail customers include a mix of residential customers, large industrial concerns, commercial and light industrial facilities. Water is treated, stored and distributed for residential, commercial, industrial and fire prevention purposes.

Contract Customers

The Middlesex System also provides water under wholesale contracts to Rahway, Edison, Highland Park, Sayreville, Marlboro and the Old Bridge Municipal Utilities Authorities. Water treatment and pumping services are provided to East Brunswick under contract. Contract customers of the Middlesex System comprise an area of about 146 square miles. Contract sales to Edison, Sayreville, Old Bridge and Marlboro are supplemental to the existing water systems of these customers. The Middlesex System also provides treated surface water under long-term agreements to East Brunswick, Marlboro, Old Bridge and Sayreville.

Bayview Water System

Middlesex Water also provides water service to approximately 300 customers in Downe Township in Cumberland County, NJ. This system, known as the Bayview System is not physically interconnected with the Middlesex system.

Pinelands Water Company

Pinelands Water provides water services to approximately 2,500 residential customers in Burlington County, New Jersey. Pinelands Water is not physically interconnected with the Middlesex System.

Pinelands Wastewater Company

Pinelands Wastewater provides wastewater services to approximately 2,500 primarily residential retail customers. Under contract, it also services one municipal wastewater system in Burlington County, New Jersey with about 200 residential customers.

Tidewater Utilities, Inc.

Tidewater, together with its wholly-owned subsidiary, Southern Shores, provides water services to approximately 37,000 retail customers for domestic, commercial and fire protection purposes in over 300 separate community water systems in New Castle, Kent and Sussex Counties, Delaware. 

Tidewater Environmental Services, Inc.

Tidewater Environmental Services, Inc. provides wastewater services to approximately 2,400 residential retail customers in Kent and Sussex Counties in Delaware.

Twin Lakes Utilities, Inc.

Twin Lakes Utilities, Inc. provides water services to approximately 110 customers in Shohola, PA.


Utility Service Affiliates (Perth Amboy) Inc. (USA-PA)

USA-PA operates the City of Perth Amboy, NJ's water and wastewater systems under a 20-year agreement, which expires in 2018. USA-PA serves approximately 22,000 customers, most of whom are served by both the water and wastewater systems.

Utility Service Affiliates Inc.

Utility Service Affiliates, Inc. (USA) offers residential customers in New Jersey and Delaware water service line, sewer lateral and related maintenance programs,  (LineCare).  USA entered an agreement with HomeServe USA, a leading provider of home maintenance service programs to offer such programs to its New Jersey and Delaware customers as an optional service.

Utility Service Affiliates (Avalon)  operates and maintains the water utility, sewer utility and storm water system for the Borough of Avalon, NJ.

White Marsh Environmental Systems, Inc.

White Marsh, operates water and wastewater systems under contact for approximately 4,600 residential customers.