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East Troy Contaminated Aquifer

Site Information

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Contact Information

Community Involvement Coordinator
Virginia Narsete (narsete.virginia@epa.gov)
312-886-4359 or 800-621-8431, ext. 64359

Remedial Project Manager
Shari Kolak (kolak.shari@epa.gov)
312-886-6151 or 800-621-8431, ext. 66151

Repositories

(where to view written records)

Troy-Miami County Public Library
419 W. Main St.
Troy, OH 45373

Background

The East Troy site is an area where volatile organic compounds, including the common industrial chemicals PCE and TCE, have contaminated ground water, soil and the indoor air in basements. EPA addressed the indoor air health risk by installing vapor abatement systems in 16 homes and St. Patrick Elementary School in the summer of 2007. EPA and Ohio EPA data also shows that VOCs have contaminated ground water below the city of Troy, as well as a local drinking water well field. To address this, Ohio EPA and Troy have taken steps to contain one potential source of the contamination, and are treating contaminated ground water prior to use. Adding the site to the NPL enables EPA to study site conditions further, identify possible sources of the contamination, and develop a comprehensive strategy to address all locations and sources of the VOC contamination.

Site Updates || News Releases | Fact Sheets | Presentations || Technical Documents


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Site Updates

August 2014

Over the past few years, EPA conducted Remedial Investigation (RI) sampling (collecting groundwater, soil, surface water, sediment, indoor air and subsurface gas sampling) to delineate the nature, source, and extent of contamination at the site. 

The RI sampling was completed in three separate phases. 

Overall, EPA installed 30 new groundwater monitoring wells, collected more than 400 soil and groundwater samples, and tested 26 homes or commercial properties for vapor intrusion. 

EPA is currently developing an RI report. It will summarize all sampling results from the Phase I, II, and Expanded Phase II RI investigations.  We expect a final RI report by November 2014.

EPA's next step will be to develop a draft Feasibility Study (FS) report.  The FS will evaluate potential remedial alternatives to address or clean up groundwater and soil contamination at the site.  We expect a draft FS report by June 2015.

EPA expects to publish the Proposed Plan (a document outlining the preferred cleanup method) in October 2015.  The public will then have 30-days to comment on the proposed plan.

Once all public comments are considered and addressed, EPA will issue a Record of Decision (ROD).  The ROD formally documents EPA's selected cleanup method to address site contamination.  EPA expects the ROD to be issued by April 2016.

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