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Cossell Vermont Street Ground Water Contamination Site

Site Information
  • Speedway, IN (Marion County)
  • EPA ID#
  • Alias(es): West Vermont Street Drinking Water Contamination
Contact Information

Community Involvement Coordinator
Heriberto León (leon.heriberto@epa.gov)
312-886-6163 or 800-621-8431, ext. 66163

OnScene Coordinator
Shelly Lam

Marion County Health Department
Pam Thevenow (PTheveno@HHCorp.org)


During sampling of neighborhood drinking water, Marion County Health Department found the presence of vinyl chloride at high levels in three residences. Vinyl chloride is a man-made chemical used in making a variety of plastic and vinyl products. A ground water plume (an underground mass of contamination) contains the vinyl chloride and the source of the plume has not yet been identified. The area of the contamination is residential and bounded by West Vermont Street on the South, Holt Road on the east, West Alley 700N on the north, and Grand Avenue on the west in Speedway. Some residences in this area do not have access to the public water supply and depend on ground water for their drinking water. en español

Site Updates | Fact Sheets ||Technical Documents

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Site Updates

January 2012

During January 2012, the EPA will evaluate data from recently conducted field investigations in order to identify the source of the residential contamination and proceed with enforcement action.  The field work included activities such as installing monitoring wells, collecting soil and ground-water samples, and studying the area geology.

Three potential sources are located in the immediate vicinity of the residential area where drinking wells have been contaminated by vinyl chloride.  These three potential sources have all had current and historical releases of hazardous substances related to the breakdown products of tetrachloroethene (PCE) or trichloroethylene (TCE), including vinyl chloride.  The EPA investigations will help determine which of the three sources of contamination are impacting the affected residential wells.

Enero de 2012

Durante enero de 2012, la EPA evaluará los datos de las investigaciones de campo llevadas a cabo recientemente con el fin de identificar el origen de la contaminación residencial y de aplicar la ley como corresponda. El trabajo de campo incluyó actividades como la instalación de pozos de monitoreo, colección de muestras de suelo y agua subterránea, y el estudio de la geología del área.

Hay tres fuentes potenciales en las inmediaciones de la zona residencial donde se encuentran los pozos de agua potable que han sido contaminados por el cloruro de vinilo. Estas tres fuentes potenciales han tenido escapes actuales e históricos de las sustancias peligrosas relacionadas con los productos de descomposición del tetracloroetileno (PCE) o tricloroetileno (TCE), incluyendo el cloruro de vinilo. Las investigaciones de la EPA ayudarán a determinar cuál de las tres fuentes de contaminación están perjudicando los pozos residenciales afectados.

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