Dredging

By: Kameron Chavers

Editor: Tessa Hanna

Kokosing mechanical dredging operation (Photo courtesy of Kokosing Marine)

 Dredging is the process of clearing sediment and debris from the bottom of water bodies to maintain navigability, and is a vital operation that ensures the Port of Baltimore remains accessible for global trade. Without regular dredging, the Port of Baltimore would eventually wither away and die. Each scoop of sediment helps keep ships moving, thousands of jobs secure, and Maryland’s economy thriving. 

The Port of Baltimore relies heavily on dredging to ensure that large commercial vessels can access its terminals safely. The two primary organizations responsible for dredging at the Port of Baltimore are the U.S. Army Corps of Engineers (Baltimore District) and Kokosing Marine of Curtis Bay. Without regular dredging, sediment accumulation would decrease channel depth, restrict vessel movement, and disrupt trade. 

The U.S. Army Corps of Engineers (USACE) is responsible for maintaining the navigable channels in Baltimore Harbor and its approach channels. These operations are managed by the Baltimore District Office, located near Fort McHenry. The USACE ensures that dredging operations comply with environmental regulations while facilitating efficient port operations. Recent dredging projects led by the USACE have focused on channel maintenance and deepening efforts to accommodate larger vessels. These initiatives are vital for sustaining economic activity and keeping trade routes open. 

Kokosing Marine, a marine construction company based in Curtis Bay, specializes in dredging, port infrastructure, and underwater construction. Equipped with a fleet of heavy machinery, cranes, and dredge boats, Kokosing Marine has played a significant role in dredging projects at the Port of Baltimore. The company has contributed to major initiatives aimed at improving navigability and supporting commercial shipping, helping to maintain the port’s competitive edge. 

Following the Key Bridge collapse, both USACE and Kokosing Marine would have been involved in emergency dredging and debris removal efforts. Restoring safe navigation required clearing submerged debris and assessing underwater hazards to minimize disruptions to port operations. 

The Port of Baltimore's economic prosperity is heavily dependent on dredging. The port generates billions of dollars in trade revenue and supports thousands of jobs each year. If dredging were neglected, reduced channel depth would limit vessel access (the Port of Baltimore requires consistent dredging to maintain a depth of approximately 50 feet to accommodate large cargo ships), disrupt supply chains, and increase shipping costs. These economic consequences would extend beyond Baltimore, affecting regional and national trade. The collaboration between the USACE and Kokosing Marine ensures the port remains operational and competitive in the global market. 

Kokosing dredging operation. (Courtesy of Kokosing)

Dredging has environmental impacts, even though it is necessary to preserve the Port of Baltimore's financial stability. Careful management of sediment collection and disposal is necessary to avoid damaging water supplies and upsetting natural habitats. Pollutants, including industrial waste and heavy metals, can be found in sediment, and improper handling of this material can damage marine ecosystems. Strict environmental regulations, such as sediment testing and the usage of limited disposal facilities, are implemented by organizations like the U.S. Army Corps of Engineers to reduce these dangers. Furthermore, a portion of the dredged material is recycled for beneficial purposes, such as shoreline preservation and wetland restoration, which reduces environmental impact while promoting ecological sustainability. 

Dredging is a critical operation that supports the efficiency and economic stability of the Port of Baltimore. By maintaining clear channels, the U.S. Army Corps of Engineers and Kokosing Marine contribute to economic growth and maritime traffic. Further research into the technical and financial aspects of dredging operations will continue to highlight their significance in sustaining Baltimore’s commercial infrastructure.