Army Corps Begins Deepening New Haven Harbor to 40 Feet

NEW HAVEN, CT — The U.S. Army Corps of Engineers began deepening New Haven Harbor's shipping channel on Friday, Oct. 23, Troy Darr, public affairs chief for the Corps' New England District, told the New Haven Independent. The work is meant to let larger ships carrying steel, cement and oil reach the city's industrial port, the Independent reported.

Five Feet Deeper, and Wider

Darr said crews will remove about 4.5 million cubic yards of material, sand, silt and rock among it, bringing the entrance channel, the main shipping channel and the turning basin to 40 feet below mean lower low water, five feet deeper than today. The Corps' Oct. 21 release also lists wider channels: 600 feet instead of 500 at the entrance outside the breakwaters, 800 feet instead of 560 at the bend between them, and 500 feet instead of 400 for the main channel inside the harbor.

About 1.7 million cubic yards, nearly 40 percent of the total, will be put back to use building up shellfish and reef habitat and filling old borrow pits that have sat in the harbor since the 1950s, the Corps said. Darr said reusing it will also give fish better habitat, help the oyster beds and create a new rock reef.

Great Lakes Dock and Dredge Company holds the contract. Dredging runs in two seasons, October 2026 to March 2027 and October 2027 to March 2028.

The Corps' release says the project was authorized under the Water Resources Development Act of 2020 and is funded through the Bipartisan Infrastructure Law. The Independent noted the effort goes back about two decades: a Senate committee authorized a feasibility study of navigation improvements for the harbor in July 2007.

What Deeper Water Means for the Port

"This work will allow the port to accommodate modern, deeper-draft commercial vessels—significantly boosting shipping efficiency, lowering transportation costs, and enhancing navigation safety," Darr told the Independent.

Sally Kruse, executive director of the New Haven Port Authority, called the start "very exciting" for the port and for the city. She said some of the largest ships now have to wait for high tide to come in, and the deeper channel should end that wait. Larger ships also tend to be newer and more efficient, she said, so the same amount of material could arrive on fewer vessels.

New Haven is not a container port. By the Corps' count it is Connecticut's busiest port, the biggest port of call on Long Island Sound and New England's third-largest by tonnage, a way station for "petroleum products, home-heating oil, aggregates, equipment, and scrap metal," as Darr put it.

Craig Martin, the Corps' senior project manager, said the work will improve delivery of "critical petroleum products such as gasoline, jet fuel, and heating oil as well as commodities such as road salt, steel and chemicals." Michael O'Connor, executive director of the Connecticut Port Authority, the project's non-federal sponsor, said it will strengthen the regional economy and the harbor's role "as a strategic commercial port and energy hub for Connecticut and the Northeast."

The Corps said it coordinated the work with the U.S. Coast Guard, the Connecticut Port Authority, the New Haven Port Authority, port pilots and others.

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