Services / Underground Utilities

Underground Utilities

Unmatched Utilities Installation


We set the standard for quality work throughout Connecticut, above grade and below. Sweeney’s underground utility services power our communities.


From trenching to construction, our team works closely with customers to tackle tough challenges while making sure that safety always comes first.

Sweeney, volvo excavator with pipe related equipment, 24075_BUILDWITT_0003

Underground Utilities Services

A Reliable Water Supply

Water Main

We work closely with construction managers and general contractors to make sure our communities have access to clean, safe water. Whether we’re constructing new mains, performing upgrades or expansions, or renovating an existing system, we do the job right.

Managing Runoff

Storm Drainage

In Connecticut, we see our share of heavy rain. Our drains are built to withstand the worst. We’re used to tough soil conditions and stringent state regulations — our storm drainage construction services are second to none. We take on projects of all sizes and complexities.

Sanitation Connecticut Can Count On

Sanitary Sewer

We specialize in the installation of sanitary sewer systems for municipal, residential, and commercial projects throughout the state. As residents, we’re invested in our projects’ success. Our team has the know-how and experience to get the job done on time and on budget.

Powering Our Home State

Dry Utilities

With precision trenching, we deliver durable underground utility solutions for our customers and our communities. We partner with utilities and communications providers to build the infrastructure that keeps the lights on. Those partnerships save our clients and their customers money.

We Dig Deep For Dependable Infrastructure

Connecting Connecticut

Technology-Driven


Our underground utilities customers benefit from the latest technology including drone surveying, laser scanning, and 3D modeling.


Our substantial inventory of trench shoring and safety equipment keeps our people safe for the whole project.

Drilling, Blasting, and Rock Processing

Commercial Underground Utilities

Danbury Rivington