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Tidewater Utilities serving Delaware since 1964

Tidewater Utilities, Inc.

Home » Tidewater Utilities, Inc.

Tidewater Utilities serving Delaware since 1964

Tidewater Utilities, inc.

Tidewater Utilities, Inc., (Tidewater), together with its wholly-owned subsidiary, Southern Shores, provides water services to approximately 47,000 customers for domestic, commercial and fire protection purposes in over 415 residential communities and commercial establishments in New Castle, Kent and Sussex Counties, Delaware.

Southern Delaware’s Premier Water Company Since 1964

Established in 1964, Tidewater operates a combination of wells and water plants throughout its service area, which extends from lower New Castle County in the north of Delaware to Sussex County near the state’s southern border with Maryland. Headquartered in Dover, DE, Tidewater Utilities is the largest private water supplier south of the Chesapeake & Delaware Canal.

View our Capabilities Brochure >

View our Fact Sheet >

VIEW TARIFF EFFECTIVE September 1, 2022>


Cross-Connection Control Program

A cross-connection is an actual or potential connection between the safe drinking water (potable) supply, and a source of contamination or pollution. Cross-connections can result in a hazardous event known as backflow, which can draw those contaminants into your drinking water supply.


Water Quality

Tidewater has a stringent water quality monitoring and testing program to ensure drinking water that meets and consistently exceeds state and federal water quality standards. The Company provides information on its water quality results to customers through Annual Water Quality Reports to customers.

View Tidewater’s Water Quality Report >

Instructions on How To Boil Water During a Advisory or Recommendation 

We strive to improve the quality of life for our employees, our customers and the communities we serve.

Important Information about Chloramine

The Southern Shores Water Company and Tidewater Utilities, Inc. will be changing the disinfectant used in treating your drinking water.

This schedule change involves switching from chlorine to chloramine every summer (roughly mid-April through September) for as long as water demand makes this necessary. This is a standard measure proven to keep water mains clean and free of potentially harmful bacteria. The measure also helps to reduce disinfection byproducts like trihalomethanes. As always, the drinking water will be regularly monitored to ensure that the water delivered meets, or is better than, federal and state drinking water regulations.

The map above outlines communities who will be making the switch from chlorine to chloramine. The area shaded in pink (Sea Colony and Southern Shores Water Company) indicates an area that is likely to receive only chloraminated water during the time the change in treatment takes place. The lighter orange area indicates an area that may at times receive some chloraminated water and at times receive only chlorinated water.

Questions may be directed to Tidewater’s Customer Service Dept. at 877-720-9272 from 9 a.m.-5 p.m.

CHLORAMINATION SOUTHERN SHORES 2022

Chloramination Map
Chloramination Map

Chloramination FAQ

CPCN Information

A Certificate of Public Convenience and Necessity (CPCN) is an authorization issued by the Delaware Public Service Commission (PSC) for the delivery and/or provision of a public service to a designated area or parcel of land. To have your property included in our next CPCN water or wastewater application, please download and sign the petition below and return it to us by fax at (302) 734-9297 or email at [email protected]. If you have further questions about the CPCN process, please feel free to contact a member of the Planning & Development Department at 302-734-7500 ext. 1014, or by e-mail at [email protected].

Water Service Petition >

White Marsh Environmental Systems, Inc.

White Marsh Environmental Systems, Inc. (WMES), a wholly-owned subsidiary of Tidewater Utilities, operates water and wastewater systems under contracts that serve approximately 9,200 residential customers. WMES also operates systems associated with manufactured home communities, commercial processing plants, stores and government buildings. WMES utilizes professional, certified water and wastewater operators who operate and maintain these systems to ensure quality and efficiency.

Additional WMES Services

  • Water and Wastewater Contract Operations
  • Water and Wastewater System Inspections
  • Instrumentation Specification and Upgrades
  • Fire Hydrant Maintenance
  • Distribution System Leak Detection
  • Collection System Diagnosis
  • System Design and Build Options
  • Consultation Services
  • Storm Water Management
  • System Purchases
  • 24-Hour On-Call Emergency Response

For more information about White Marsh Environmental Systems, Inc. Contract Operation Services, contact Ray Ebaugh: email [email protected] or phone at 302-747-1312.

Sewer Pump Stations Construction Services >

Operational Efficiency Fact Sheet >

Instrumentation Upgrades Fact Sheet >

Service Alerts

There are no Delaware Public Health alerts issued at this time.

Contact Us

General Inquiries:

877-720-9272

Email:

[email protected]

Water Service Emergency:

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

Office Hours:

Monday through Friday 9 AM-4:30 PM

Billing Inquiries:

877-720-9272 (9 AM - 5 PM)

Office Address:

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

Customer Service Address:

Middlesex Water Company
485 C Route 1 South
Iselin, NJ 08830
Attn: Tidewater Utilities

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Middlesex Water Company

Middlesex Water Company
485C Route 1 South, Suite 400                             Iselin, NJ 08830

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MATERIALS VERIFICATION TEST

The Materials Verification Test below can help you figure out if you have a lead, galvanized steel, copper, or plastic service line on the portion of the service line you own. When you have completed the visual inspection, please submit your results using the following survey link. If you have a lead or galvanized steel service line, Middlesex Water will contact you to confirm the results and schedule your service line replacement.

What you need:

  1. House key or coin
  2. Strong refrigerator magnet

Steps to check your service line:

  1. Find the water meter in your basement or outside your home and look at the service line that enters the water meter.
  2. Use the house key or coin to carefully scratch the pipe surface.
  3. Compare the scratched area to the following descriptions:
    • If it looks shiny and silver, the pipe is made of lead. A magnet will not stick to a lead pipe.
    • If it is a dull gray color with no noticeable scratch on the surface, the pipe is galvanized steel. A magnet will stick to a galvanized steel pipe.
    • If it is the same color as a penny, the pipe is copper. A magnet will not stick to a copper pipe.
    • If it is smooth and red, blue, white, or black, the pipe is plastic. A magnet will not stick to a plastic pipe.
  4. Report your service line material in this SURVEY
copper pipe
Dull brown or greenish: You DO NOT have a lead service line
Galvanized Steel Pipe
Grey or silver: You DO have a galvanized steel service line that should be replaced. A magnet will stick to a galvanized steel service line.
Lead Pipe
Grey or silver: You DO have a lead service line that should be replaced.
Red, blue, black, or white: You DO NOT have lead service line.

ENTERPRISE ENVIRONMENTAL POLICY

THE MIDDLESEX WATER ENTERPRISE WILL:

• Comply with, or produce results better than, applicable laws and regulations set forth by state utility commissions and government environmental regulatory agencies.

• Include the consideration of environmental impact in all business strategies, initiatives and project plans.

• Work to ensure a reliable source of water supply.

• Promote respect for the environment as part of our Company’s culture among employees and our suppliers in their daily operations.

• Focus on reducing the amount of water lost (non-revenue) in our distribution system and employ leak detection and other available technology to achieve this goal.

• Prevent pollution, reduce waste and minimize the consumption of resources to minimize risks to the environment.

• Continually work to educate customers about the importance of protecting and preserving our natural resources and the importance of wise water use.

• Educate, train and motivate employees to carry out tasks in an environmentally responsible manner.

• Build in system resiliency to mitigate effects of climate change and other short and long-term climate related challenges.

• Use efficient practices that save fuel, energy and water.

• Work with our industry and legislative representatives to shape public policy and legislation that supports water objectives and helps ensure safe drinking water.

• Invest prudently in our systems for infrastructure stability, operational resiliency and continued sustainability utilizing sound asset management planning.

• Engage with our community to ensure responsiveness to local needs and interests.

• Work in collaboration with our communities, local municipal officials and our vendors to ensure a clean, safe, reliable and resilient water supply.