DNR Issues Final Site Closure for State’s Largest Brownfield Cleanup Project
MADISON, Wis. – After nearly 30 years of planning, investigating and cleaning up, the city of Milwaukee has completed cleanup of a 110-acre former brownfield site that they once considered “Wisconsin’s biggest eyesore.”
DNR’s Remediation and Redevelopment (RR) Program, which oversees environmental cleanups across the state, issued a case closure letter for the site to Milwaukee officials on May 1, 2020. For the city, this means that the cleanup work on the property is essentially over; they have investigated the degree and extent of the contamination and restored the site to the extent practicable.
The site is situated within the Menomonee Valley Industrial Center – one of the state’s largest brownfield successes. The Menomonee Valley Industrial Center has become home to thriving businesses, an award-winning stormwater treatment system and part of the Hank Aaron State Trail.
For more than 125 years, the property was a heavily used manufacturing site known as the Milwaukee Road Shops; trains and rail cars were built and serviced there as part of the industrial revolution that began in the mid-1800s. By the 1960s, the site was underused. It was eventually abandoned and remained unused for two decades. The site that had helped the budding city grow was vacant and beyond repair.
“The entire site was a wetland filled with a wide range of fill material, and suffered from unstable soil conditions,” said Margaret Brunette, DNR RR Program Hydrogeologist, who has been overseeing the cleanup since 1992. “There were six miles of underground clay-lined sewers, an on-site wastewater treatment plant and contaminants such as asbestos and lead throughout the site.”
Part of the cleanup and redevelopment included the reuse of concrete road material from the nearby Marquette Interchange project. Partnering with the Wisconsin Department of Transportation, city officials arranged for approximately 900,000 cubic yards of fill material to be relocated to shore up the floodplain, saving an estimated 75,000 truckloads of material from landfills.
Also included was the restoration of the Menomonee River riverbank and the creation of the 24-acre Three Bridges Park, which helped to reestablish a physical connection from the Industrial Center property to the city’s southwest side.
“Cities are always changing, reinventing themselves to benefit their communities. The work completed in the Menomonee Valley is a prime example of reinvention that has reclaimed land, added jobs and created recreational opportunities,” said Milwaukee Mayor Tom Barrett. “The success in the Valley was only possible because of the great cooperation among different levels of government, businesses, community groups and people who live in Milwaukee.”
The economic redevelopment and ecological restoration of the Menomonee Valley Industrial Center was already well underway in 2009 when the U.S. EPA (Region 5) recognized the project and its partners with a Phoenix Award for excellence in brownfield redevelopment. The partnerships forged in the early 1990s paid off.
“The Industrial Center is a wonderful example of how collaboration between a developer, in this case the City of Milwaukee, private parties and the Wisconsin DNR can lead to an incredibly successful sustainable project with significant economic, environmental and social benefits to the community,” said David Misky, Assistant Executive Director of Milwaukee’s Redevelopment Authority. “I am proud to have worked with DNR and its Southeast Region staff since the beginning of this project.
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