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U.S. EPA REGION 5
CLARK COUNTY
NEW CARLISLE

Congressional District # 07

NEW CARLISLE LANDFILL

EPA ID# OHN000509238
Last Updated: July, 2012

Site Description

The New Carlisle Landfill (the site) located at 715 North Dayton-Lakeview Road, approximately 1.5 miles south of city of New Carlisle in Clark County, Ohio. The population of New Carlisle City in 2007 was approximately 5,577. The site is bordered immediately on the west, northwest and north by the Scarff's Nursery & Landscape (the Nursery) property; on the south by a parcel known as the Gastineau property, reported to be swampy and vacant; on the east by North Dayton-Lakeview Road.  The immediate area of the site is generally rural, with a few nearby residences, and an additional nursery, Meadow View Growers, northeast of the site. 

From the mid-1950s until the early 1970s, the site served as a general refuse and solid waste landfill . During its operation, it received industrial, commercial and residential waste.  The landfill was officially closed in 1977, after several years of inactivity, and has remained unused and udeveloped since closure. The landfill is occupies approximately 21.7 acres.  The total depth of waste at the landfill is reported to be 15 feet.   The landfill is now covered with two to four feet of clay with a vegetative cover, but was not designed with a protective liner in the manner of modern landfills.   






Site Responsibility

This site is being addressed through federal, state, and potentially responsible parties' actions.

Threats and Contaminants

The groundwater contaminated with VOCs including trichloroethen (TCE), tetrachloroethene (PCE) and vinyl chloride have been detected beneath the landfill and in a plume south of the landfill.  The vinyl chloride groundwater contamination could potentially migrate and affect approximately 15 residential wells within one-half mile radius of the landfill.   All wellls along the migration path from the landfill, to a distance of approximately 3,000 feet south have been sampled during the Site Investigation and Expanded Site Investigation. The landfill currently poses no public health hazard to workers and residents at the Nursery property.  The groundwater contamination at the landfill will likely pose no public health hazard to on-site workers and residents in the future as well. The immediate threats have been addressed.

Cleanup Progress

Since 1993, Ohio Environmental Protection Agency (Ohio EPA) has been sampling a nearby public well which serves the Nursery . In 1997, Ohio EPA data indicates that water from two public wells and two residential wells at the Nursery contain vinyl chloride above the safe drinking water level. In 2002, Ohio EPA required the Nursery to cease public use of the well and limited future use to irrigation. In 2003, the Nursery installed a new public well and two new residential wells.

In August 2003, Ohio EPA completed a Site Inspection (SI). The purpose of the SI was to identify the source of vinyl chloride contamination affecting the former public well and to evaluate whether the landfill would be added on the National Priorities List. The SI found no contaminants above the safe drinking water standard in any of the residential wells surrounding the landfill and any currently used public wells. However, vinyl chloride was found in the former public well located on the Nursery property at above the safe drinking water standard.

In late of 2003 and early in 2004, Ohio completed Expanded Site Investigation (ESI). The purspose of the ESI was to delineate the source of vinyl chloride contamination affecting public water supply wells at Nursery.  The ESI concluded that the inactive landfill is the source of elevated vinyl chloride in the four former potable wells at the Nursery.

In 2005, the United State Environmental Agency (EPA) completed an emergency cleanup to provide alternate potable water to the Nursery and the residences with affected private wells.  The emergency cleanup constisted the extention of the water line from the New Carlisle public water system to two homes and a plant nursery business.  Following the provision of the alternate water source, the new public well is pumped for irrigation.  Both affected nursery residential wells were disconnected during the emergency cleanup and are no longer used. 

EPA placed the site on the Superfund National Priorities List on April 2008 because EPA concerns about the potential migration of the vinyl chloride toward residential wells within one-half mile of the landfill. EPA will start the RI field work on July 2012.  The RI field work will include landfill cap assessment, landfill air investigation, groundwater sampling, residential and irrigation well sampling and ecological assessment.

Contacts

Remedial Project Manager, U.S. EPA
Giang-Van Nguyen (nguyen.giang-van@epa.gov)
(312) 886-6726

Community Involvement Coordinator, U.S. EPA
virginia narsete
(312) 886-4359

Site Profile Information

This profile provides you with information on EPA's cleanup progress at this Superfund site.

 


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