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WPSC Marinette MGP Site

Site Information
Photo Gallery
Click to see photos of the site
Contact Information

Community Involvement Coordinator
Susan Pastor (pastor.susan@epa.gov)
312-353-1325 or 800-621-8431, ext. 31325

Remedial Project Manager
Margaret Gielniewski
(gielniewski.margaret@epa.gov)
312-886-6244 or 800-621-8431, ext. 66244

Repositories

(where to view written records)

Stephenson Public Library
1700 Hall Ave.
Marinette, WI

Background

The Wisconsin Public Service Corp. site is located in Marinette, Wis. The 4-acre former MGP plant is about 750 feet south of the Menominee River and about 1.5 miles upstream from the river mouth at Green Bay. Boom Landing Park is between the river and the site. It's currently used as a boat launch facility operated by the city.

WPSC owned and operated the gas plant from the 1910 to 1960 in an area that was historically industrial. Processes included coal carbonization and carbureted water gas. Currently, the site is owned by the city of Marinette and the property is occupied by the city's wastewater treatment plant.

A Community Advisory Group (CAG) is one way the community can get involved. Learn more about CAGs

Site Updates | Fact Sheets || Presentations || Technical Documents || Legal Agreements


You will need the free Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

Site Updates

November 2014

Groundwater sampling is being done quarterly at the location of the former MGP site (including the wastewater treatment plant and Boom Landing Park). WPSC/Integrys contractors have been collecting groundwater samples from the existing monitoring well network by opening up the wells and drawing samples using a mechanized water pump. This sampling is expected to run through December 2015.

Contractors also collected soil gas samples in 2013. This involved drilling quarter-sized holes up to 2 feet into the ground and inserting thin plastic hoses to collect samples over a 24-hour period. After all of the soil and groundwater sampling results came back from the lab, they were used to prepare a draft remedial investigation report. This report identifies how much PAH contamination there is and where it is located. Another document, called the feasibility study, will follow in February 2015.  It will list several possible ways to clean up the site. EPA’s proposed cleanup plan will be available for public comment in spring 2015.   All work so far has been funded by WPSC/Integrys.
An expedited cleanup of PAH-contaminated sediment in the Menominee River was completed in 2013. WPSC/Integrys also funded and conducted this cleanup under EPA oversight. It included:

This is one of two major sediment removal projects on the Menominee River. Staff from a different EPA program is overseeing the Ansul Inc. project. Everyone is working together to coordinate the cleanups. When these sediment removal projects are completed by 2014, EPA’s Great Lakes National Program Office can begin habitat restoration and consider deleting the Menominee River from its list of Areas of Concern, possibly in 2016.

Plans to investigate sediment, ground water and soil at six MGP sites began after a legal agreement called a consent order was signed between WPSC and EPA in May 2006. This agreement allowed for further investigation of the Marinette site and will determine how much contamination remains in soil, sediment and ground water.

The 2006 agreement also includes five other MGP sites in Green Bay, Manitowoc, Oshkosh, Two Rivers, and Stevens Point, Wisconsin. A separate agreement for another site, WPSC Campmarina in Sheboygan, was signed between WPSC and EPA in January 2007.

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Fact Sheets

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Presentations

Technical Documents

Manufactured Gas Plants (MGPs)

Learn about MGPs

EPA Region 5 is working on former MGPs in Wisconsin and Illinois.

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Legal Agreements

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