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Diver-Assisted Dredging and Capping Used in the Cuyahoga River Improvement Project

Posted by Kimberly Walters on June 15, 2023

The Cuyahoga Improvement Project in Kent, OH, aims to improve future recreation experiences while protecting existing natural resources. The purpose of our work is to remove areas of petroleum-impacted soft sediments that were deposited decades ago from discontinued industrial practices upstream. 

Background on a Burning River

The Cuyahoga River has quite a history: a transportation route; a boundary; an origin for oil, rubber, and steel industries; a power source; and a dumping ground. The river was once 1 of the most polluted in the country. The Cuyahoga has caught fire at least 13 times since the 1860s.

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Brennan Acquires Dredging & Dewatering Division of IAI With Recent Purchase of Assets

Posted by Kimberly Walters on February 07, 2023

February 6, 2023 — Specialty marine contractor J.F. Brennan Company, Inc. (Brennan) recently finalized the asset acquisition of the dredging and dewatering division of Infrastructure Alternatives, Inc. (IAI). The purchase brings dewatering, water treatment, and treatability testing services into the organization for the first time.

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Brennan Takes Three Hitachi zx470lc-6 Excavators on the Water

Posted by Kimberly Walters on February 25, 2020

When you think “excavator,” images of digging dirt and rock on land may come to mind. However, that’s not the case for J.F. Brennan Company, Inc. (Brennan), a 100-year-old marine construction contractor out of La Crosse, Wisconsin. 

*adapted with consent from its original format in BREAKOUT Winter 2019: a Hitachi Construction & Mining Productions Publication. 

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Brennan's SHERP ATV Makes A Splash [NEW PHOTOS]

Posted by Ken Peterson, Vice President - Assets Manager on January 16, 2020

This past year, we made another key asset purchase: the SHERP ATV (SHERP). In addition to our Diamondback Airboat, the SHERP solidifies our durability and efficiency in working throughout wetland and marshy areas.

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The 4 Basic Steps of a Wetland Restoration

Posted by Dillon Hogan on July 24, 2018

Our experience in wetland habitat restoration began 30 years ago with the Upper Mississippi River Restoration Program (UMRR), the largest restoration program ever undertaken on a major waterway, worldwide.  Since then we have carried out many more restorations along the inland waters of the United States, including restoration after large-scale environmental remediation.  

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