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South Dayton Dump and Landfill

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
Lesle Patterson(patterson.leslie@epa.gov)
312-886-4904 or 800-621-8431, ext.64904, 9:30 a.m. - 5:30 p.m.

Ohio EPA Project Coordinator
Laura Marshall


(where to view written records)

Montgomery County Library
Kettering - Moraine Branch
3496 Far Hills Ave.
Kettering, OH 45429-2518
For directions and hours, call the library at 937-227-9509

EPA Records Center
U.S. EPA - 7 th Floor
77 W. Jackson Blvd.
Chicago, IL 60604


The South Dayton Dump and Landfill is a former disposal area for industrial and municipal waste. The site is approximately 80 acres and includes a 15-acre pond, as well as property now occupied by an operating asphalt plant and other businesses. Open burning, landfilling and storage of hazardous waste throughout its half-century operation has resulted in contamination of soil and portions of the ground water aquifer underlying the site, potentially threatening the adjacent Great Miami River. Soil contains metals that include lead, copper, mercury and other chemicals. Groundwater contamination is mainly organic chemicals such as tetrachloroethylene, vinyl chloride, and benzene. In 2006 the Agency and the potentially responsible parties (PRPs) signed an agreement for EPA to oversee the PRPs investigate the nature and extent of contamination, determine risks posed by the site to human health and the environment, and develop cleanup options.

Technical Assistance Grant (TAG) and Community Advisory Group (CAG) are two ways the community can get involved. Learn more about CAGs and TAGs

Site Updates | News Releases | Fact Sheets ||| Legal Agreements || Technical Documents

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

April 2014

Based on sampling of groundwater, soil gas, sub-slab air, and indoor air, EPA has documented a completed exposure pathway for vapor intrusion at the SDDL Site. Vapor intrusion occurs when chemicals in landfill materials and ground water give off gases that can rise up through the soil and seep into buildings through foundations. What You Should Know About Vapor Intrusion (PDF) (2pp, 84K).

In order to reduce the sub-slab and indoor levels of TCE and methane, EPA issued an Action Memo in October, 2012, that required the PRPs to install sub-slab depressurization systems at several on-site buildings. These systems, similar to radon mitigation systems, have been installed in several buildings along Dryden Road and are drawing TCE, methane and other vapors out of the soil under the buildings and vent them outside. 

In June, 2013, the PRPs took additional soil and groundwater samples under EPA oversight in several areas across the landfill to better understand sources of groundwater contamination.  The sampling confirmed several groundwater contaminant plumes.  Based on the findings additional samples are planned in 2014

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