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Restoring Clinton River AOC (timeline)

Year Critical Actions

$20 millinon awarded for major Great Lakes Restoration Initiative projects in the Clinton River Area of Concern. These funds contribute to the removal of the loss of fish and wildlife habitat, restrictions on fish and wildlife consumption, and degradation of fish and wildlife populations' BUIs through wetland and habitat restoration.


Lake St. Clair Coastal Marsh Restoration is completed.

Macomb County and the Huron-Clinton Metropark Authority restore the coastal wetlands at Lake St. Clair Metropark in Harrison Township. The project, which received $1,492,500 in GLRI funding in 2010, restores plant life, and installs boardwalks and informative signage.

$262,904 in GLRI funding is awarded to reduce the E. coli levels at New Baltimore Beach and Lake St. Clair Metropark Beach along Lake St. Clair. The project includes replacing sand, landscaping beach area and redirecting storm water runoff away from beaches.


MDEQ publishes RAP Update


MDEQ issues updated Guidance for Delisting Michigan’s Great Lakes Areas of Concern.


Fish and wildlife targets report is completed with grant from US EPA to establish delisting targets for fish and wildlife populations and habitat BUIs.


Restoration Criteria for the Clinton River Area of Concern: Phase I and II

MDEQ issues updated Guidance for Delisting Michigan’s Great Lakes Areas of Concern.


The U.S. Army Corps of Engineers completes a sediment transport study.


Restoration Criteria Phase I - Summarized Final Report is completed.

Cleanup is completed at three major landfills. Groundwater treatment systems are installed and contaminated soils are evacuated outside of the landfill to eliminate the migration of heavy metals, nitrates and PCBs.

Michigan publishes a document outlining the process it uses to track restoration progress, remove BUIs, and ultimately delist AOCs.

U.S. EPA provides a grant to further develop the fish and wildlife populations, habitat, and benthic community BUIs.


The PAC receives a grant from the Great Lakes Commission to develop delisting criteria for the Clinton River AOC.

2003 Oakland University receives a grant to conduct an assessment of contaminated sediments.

The 1998 RAP Update reiterates the 1995 determination that the entire watershed is the AOC, but expands the AOC boundary to include “the nearshore area of Lake St. Clair impacted by the Clinton River and its spillway.”


Clinton River RAP Update document is completed.


Clinton River Remedial Action Planning: A State and Watershed Community Partnership - Public Advisory Committee Notebook  is completed.


Michigan Department of Environmental Quality publishes the initial Clinton River RAP.