Cleveland Akron, OH, September 8, 2026 — The significant $1.15 billion project spearheaded by the U.S. Army Corps of Engineers to construct a barrier against invasive carp has recommenced operations. The initiative, designed to protect the Great Lakes ecosystem, had been temporarily halted by a stop-work order, the lifting of which allows construction to proceed.

The primary focus of the ongoing construction is the fortification of a critical lock and dam situated near Joliet, Illinois. This location is strategically important as it represents a key pathway through which invasive carp could potentially migrate into Lake Michigan and subsequently spread throughout the Great Lakes.

The ultimate objective of this extensive engineering effort is to establish a robust barrier that will effectively prevent the encroachment of invasive carp species into the Great Lakes. The presence of these fish poses a substantial ecological and economic threat to the region’s native fisheries and aquatic environments.

The U.S. Army Corps of Engineers is overseeing the project. Details regarding the specific duration of the stop-work order or the exact reasons for its issuance and subsequent lifting were not immediately available. Information regarding the contractor responsible for the construction was also not provided in the summary.

This barrier is part of a larger, multi-faceted strategy to manage and control invasive species in one of North America’s most vital freshwater systems. The success of the project is anticipated to safeguard the biodiversity and health of the Great Lakes for the future. The financial commitment of $1.15 billion underscores the perceived severity of the threat posed by invasive carp. The timeline for the completion of the fortification work and the full operational status of the barrier has not been detailed.

Story summarized from the original created by Sabrina Eaton on www.cleveland.com, see more information here.

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