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Utilities

10 Crews.
50 Professionals.
One Focus.

In addition to servicing key local, state, and federal agencies, John J. Brennan’s specialized Utility Group is consistently trusted by top utility companies from Connecticut, Rhode Island, Massachusetts, and New York:

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  • Aquarion Water

  • Avangrid / Iberdrola - United Illuminating

  • Connecticut Water Company

  • Eversource

  • Greater New Haven WPCA

  • GBII Connecticut New York LLC

  • Regional Water Authority

  • Southern Connecticut Gas

  • Yankee Gas

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End-to-end Project Management

 

From project planning, through design, construction, maintenance, even 24/7 repair services, Brennan is on the job reliably – and passionately. Our reputation has been built on getting it right the first time, so Brennan customers tend to be return customers.

Expertise in Infrastructure Services

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Our Utility Group offers decades of specialized experience in transmission and distribution systems such as:

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  • Water main systems

  • Pump stations

  • Underground conduit installation

  • Direct buried cable installation

  • Electric transmission & distribution

  • Power plants & substations

  • Natural gas pipelines

  • Sanitary & storm sewer construction

  • Trenchless technologies/pipe bursting

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Count On John J. Brennan Construction for Water & Sewer Line Services in Connecticut

Deep Storm Drainage project by John J Brennan Construction
Water Line Repair & Installation

John J. Brennan Construction provides expert water line repair and installation across Connecticut. Our team delivers reliable, efficient service to keep your water flowing safely.

REQUEST WATER LINE SERVICE
Sewer line repair in Connecticut
Sewer Line Repair & Installation

Turn to us for expert sewer line repair and installation services in CT. We handle replacements, upgrades, and emergency repairs to keep your system running safely and efficiently.

REQUEST SEWER LINE SERVICE
Deep storm drainage project in CT
Drain Line Repair & Installion

Count on our team for drain line camera inspections for sewer and water projects. We pinpoint blockages, leaks, and damage fast, helping plan accurate, cost-effective repairs.

REQUEST INSPECTION SERVICE

Ask about our pipe line camera inspection capabilities

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