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WPSC Stevens Point MGP Site

Site Information
Contact Information

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

Remedial Project Manager
Leslie Patterson
(patterson.leslie@epa.gov)
312-886-3594 or 800-621-8431, ext. 63594

Repositories

(where to view written records)

Portage County Public Library
Charles M. White Library Building
1001 Main St.
Stevens Point, WI

Background

The Wisconsin Public Service Corp. site is located in Stevens Point, Wis. Currently, the 3-acre former MGP plant is open space bounded to the west by a public park owned by the city. The Wisconsin River is just west of the park.

WPSC owned and operated the gas plant from the 1890s to the late 1940s in an area that was historically industrial. Processes included coal carbonization and carbureted water gas. WPSC, under its new name Integrys, still owns the site today.

Preliminary results from samples taken in 2007 indicated the surface soil in the park and nearby areas is generally clean. Deep soil in a filled-in slough (a low area filled with mud and water connected to a larger body of water, in this case the Wisconsin River) contains tar which most likely came from the former gas plant. Ground water is also contaminated with MGP-related pollutants. The contamination is not an immediate concern because it is buried and nobody is drinking the ground water.

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

Site Updates| Fact Sheets || 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

October 2012

A document called the “record of decision (PDF)" (54pp, 5.2MB), which details how this MGP site will be cleaned up, is available.

This final cleanup plan includes covering pond sediment, a ban on using ground water, limits on future use of the site and monitoring the ground water’s natural recovery.

EPA based its decision on information from two documents--the feasibility study and remedial investigation report. The feasibility study incorporated information from the remedial investigation report to come up with possible cleanup options. This report included results from soil, sediment, soil vapor, and ground water samples taken in 2011 and 2008. These samples were taken by WPSC/Integrys contractors in the Wisconsin River, in a small pond in Pfiffner Pioneer Park, and on and near the former manufactured gas plant site by the park.

This work, which was conducted and funded by WPSC/Integrys, took place under a 2006 legal agreement (called a consent order) between WPSC and EPA. This agreement allowed EPA to oversee the company's investigation.

Prior to EPA's involvement, various investigations and an upland cleanup were done in the 1990s under Wisconsin Department of Natural Resources oversight.

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

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Fact Sheets

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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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