BREAKING NEWS: EPA Announces New Level Of Priority For Getting Olin Site Cleaned Up, Placed On “Emphasis List”

WILMINGTON, MA — On Monday, April 1, 2019, the U.S. Environmental Protection Agency (EPA) announced that the Olin Chemical Superfund Site in Wilmington has been added to the Administrator’s Emphasis List with the goal of expediting the selection of a remedy to remediate soil, surface water, and areas of highest groundwater contamination.

EPA also hopes to work cooperatively with developers and local officials regarding potential reuse plans for the former Olin property.

Olin Chemical, a 53-acre facility at 51 Eames Street in Wilmington, Massachusetts, made specialty chemicals for the rubber and plastics industry until it closed down in 1986. On-site waste disposal practices have resulted in groundwater contamination both on and off site, and in late 2002 led to the closure of town drinking water supply wells. The Olin Chemical Superfund Site includes areas that have been impacted as the result of former manufacturing activities.  In 2003, the Town of Wilmington closed their municipal supply wells in the Maple Meadow Brook aquifer due to chemicals released from the Olin Site.  The Site was finalized on the National Priorities List in April 2006.

Under the Trump Administration, the Superfund program has reemerged as a priority to fulfill the EPA’s core mission of protecting human health and the environment.

EPA established the Administrator’s Emphasis List in December 2017 in response to recommendations from EPA’s Superfund Task Force. Each site on the Administrator’s Emphasis List has a short-term milestone to provide the basis for tracking progress at the site. EPA will consider removing a site from the list once the milestone is achieved. Removal from the Administrator’s Emphasis List does not change the site’’s status on the National Priorities List.

EPA remains dedicated to addressing risks at all Superfund sites, not just those on the Administrator’s Emphasis List. The Superfund Task Force Recommendations are aimed at expediting cleanup at all Superfund sites. EPA continues to accelerate progress at Superfund sites across the country.

The updated Administrator’s Emphasis List is available on the agency’s website at

(NOTE: The above modified press release is from the EPA.)

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