Contact Us

For NJ Customers

  • Report a Water Emergency at any time: 
    (800) 549-3802 
  • For Billing Inquiries or to arrange
    a meter reading:
    (800) 549-3802
  • To phone in your meter reading:
    (732) 634-3124 or
    (732) 634-3126
  • Email: [email protected]

For DE Customers

  • Report a Water Emergency at any time: 
    (877) 720-9272 
  • For Billing Inquiries or to arrange
    a meter reading:
    (877) 720-9272
  • To phone in your meter reading:
    (877) 720-9272
  • Email: [email protected]
Water Cover

Please contact our Corporate Headquarters:

1500 Ronson Road
Iselin, NJ 08830

800-549-3802

[email protected]

Please call 732-638-7549

or email [email protected]

Visit our IR site >

Please direct all media inquiries (NJ and DE) to our Corporate Affairs Department at 732-634-1500 or email [email protected]

To subscribe to Email Alerts and to receive notice every time the Company or any of its subsidiaries issues a News Release, Click Here.

We can partner with your municipality, county or utility to provide various short and long tern water and wastewater related services. Contact us to learn more: In New Jersey and nationwide, call: 732-634-1500 or email [email protected]

In Delaware, call: 877-720-9272 or email [email protected]

24/7 Repair Hotline: 1-888-300-5065

Homeserve Website >

Note: Emergency Home Repair Plans are currently only available to Middlesex Water Company, Pinelands, Utility Service Affiliates, Tidewater Environmental Services and Tidewater Utilities, Inc. Customers.

General inquiries: (877) 549-3802

Email: [email protected]

Hours of Operations: Monday through Friday 9 AM-5 PM

Water Service Emergency?

Contact us at (800) 549-3802 24/7, 365 days a year.

Main Office Address

Middlesex Water Company 
1500 Ronson Road 
Iselin, NJ 08830 

Customer Service Correspondence

Middlesex Water Company 
1500 Ronson Road 
Iselin, NJ 08830

View Water Quality Report >

General inquiries: (800)782-1116

Email: [email protected]

Hours of Operations: Monday through Friday 9 AM-5 PM

Water Service Emergency?

Contact us at (609) 859-2044 24/7, 365 days a year.

Main Office Address

Pinelands Water and Wastewater Company
P.O. Box 400
Iselin, NJ 08830

Customer Service Correspondence

Middlesex Water Company 
1500 Ronson Road 
Iselin, NJ 08830 
Attn: Pinelands Water and Wastewater 

View Water Quality Report >

General inquiries: (877) 720-9272

Email: [email protected]

Hours of Operations: Monday through Friday 9 AM-5 PM

Water Service Emergency?

Contact us at (877) 720-9272 24/7, 365 days a year.

Main Office Address

Tidewater Utilities, Inc.
1100 South Little Creek Road
Dover, DE 19901

Please note: Customer payments not accepted at this location.

Customer Service Correspondence

Middlesex Water Company 
1500 Ronson Road 
Iselin, NJ 08830 
Attn: Tidewater Utilities  

View Water Quality Report >

General inquiries: (877) 720-9272

Email: [email protected]

Hours of Operations: Monday through Friday 9 AM-5 PM

Water Service Emergency?

Contact us at (877) 720-9272 24/7, 365 days a year.

Business Address

Tidewater Environmental Services, Inc. 
1100 South Little Creek Road 
Dover, DE 19901 

Customer Service Correspondence

Middlesex Water Company 
1500 Ronson Road 
Iselin, NJ 08830 
Attn: Tidewater Environmental Services (TESI)

General inquiries: (800)523-7224

Email: [email protected]

Hours of Operations: Monday through Friday 9 AM-5 PM

Water Service Emergency?

Contact us at (800) 523-7224 24/7, 365 days a year.

Address

Twin Lakes Utilities, Inc.
P.O. Box 1500
Iselin, NJ 08830

View Water Quality Report >

General inquiries: (800) 729-4030

Email: [email protected]

Hours of Operations: Monday through Friday 9 AM-5 PM

Water Service Emergency?

Contact us at (800) 729-4030 24/7, 365 days a year.

Local Address

Utility Service Affiliates (Avalon)
1401 Dune Drive
Avalon, NJ 08202

Customer Service Correspondence

Middlesex Water Company 
1500 Ronson Road 
Iselin, NJ 08830 
Attn: USA-Avalon  

View Water Quality Report >

General inquiries: (732) 826-0290

Email: [email protected]

Hours of Operations: Monday through Friday 9 AM-5 PM

Water Service Emergency?

Contact us at: (732) 826-5335 ( 9 a.m.-5 p.m.)
or (732) 721-3664 after 5 p.m.

Address

Utility Service Affiliates (Perth Amboy) Inc.
P. O. Box 167
Iselin, NJ 08830

View Water Quality Report >

General inquiries: (877) 720-9297

Email: [email protected]

Hours of Operations: Monday through Friday 9 AM-5 PM

Water Service Emergency?

Contact us at (877) 720-9272 24/7, 365 days a year.

Business Address

White Marsh Environmental Systems, Inc.
1100 South Little Creek Road
Dover, DE 19901

Customer Service Correspondence

Middlesex Water Company 
1500 Ronson Road 
Iselin, NJ 08830 
Attn: White Marsh Environmental Systems, Inc.