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Restoring Milwaukee Estuary AOC (timeline)

Year Critical Actions

Wisconsin DNR issues a Remedial Action Plan update.


A Remedial Action Plan update is published.


A Remedial Action Plan update is published.

140,000 pounds of contaminated sediment is removed which marks the completion of a second Great Lakes Legacy Act project in the AOC.
About 5,000 pounds of PCBs and 4,000 lbs of PAHs have been removed in the Milwaukee River and Lincoln Creek since 2011.


The Kinnickinnic River Legacy Act project begins and is completed by the end of the year. About 167,000 lbs of contaminated sediment is removed, which contained mostly PCBs and PAHs.


Delisting targets for each of the BUIs in the Area of Concern are published. 


WDNR completes a sediment remediation study at Estabrook Impoundment, which concludes that it contributes the greatest mass loading of PCBs into the Milwaukee River and Harbor. 


The federal Beaches Environmental Assessment and Coastal Health Act of 2000 begin to be implemented. WDNR gives grants to communities to monitor beach water for elevated bacterial levels.


Mercury Marine removes approximately 14,000 tons of contaminated sediment as part of the Cedar Creek remediation project. 


A brief RAP update is published, which notes that progress has been made on 93 percent of the recommendations listed in the 1994 Remedial Action Plan.


An update to the remedial action plan is completed. 


The Stage I Remedial Action Plan is published.