(AGENPARL) – mar 05 marzo 2024 Issued: Mar 5, 2024 (2:05pm EST)
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EPA Adds Lot 46 Valley Gardens TCE Superfund Site to National Priorities List
Adding the site to the National Priorities List ensures that the site is
prioritized for cleanup, due to the potential for contamination of drinking
water
U.S. Environmental Protection Agency, Region 7 – 11201 Renner Blvd., Lenexa,
KS 66219
Iowa, Kansas, Missouri, Nebraska, and Nine Tribal Nations
LENEXA, KAN. (MARCH 5, 2024) – Today, the U.S. Environmental Protection
Agency (EPA) is adding five sites to the Superfund National Priorities List
(NPL), including the Lot 46 Valley Gardens TCE Superfund Site in Des Moines,
Iowa.
“The addition of the Lot 46 Valley Gardens TCE Site to the National
Priorities List helps EPA prioritize its resources to ensure that the
groundwater contamination is cleaned up to protect Des Moines’ water supply
and the health of everyone who drinks from the tap in the city,” said EPA
Region 7 Administrator Meghan A. McCollister. “EPA Region 7 led an extensive
community engagement and press outreach campaign that helped generate 198
public comments during the listing phase, the vast majority of which supported
listing the site on the National Priorities List.”
EPA proposed adding the Lot 46 Valley Gardens TCE Superfund Site to the NPL to
address groundwater contamination associated with trichloroethylene (TCE) and
its breakdown products, particularly cis-1,2-dichloroethylene (cis-1,2-DCE)
(1,2-dichloroethylene is also called 1,2-dichloroethene).
TCE and one of its breakdown products, cis-1,2-DCE, have been detected in
water samples collected from the Des Moines Water Works (DMWW) infiltration
(intake) gallery along the Raccoon River. Only cis-1,2-DCE has been detected
in samples from DMWW finished water. These detections are far below their
respective Maximum Contaminant Levels (MCLs). All drinking water from DMWW
meets the standards set by the Safe Drinking Water Act and does not present a
health risk.
“The listing of Lot 46 on the NPL helps to protect our drinking water and
clean up the contamination,” said Ted Corrigan, CEO and general manager of
Des Moines Water Works, Iowa’s largest drinking water utility. “This
cleanup project is of particular importance to Des Moines Water Works because
it safeguards a critical element of our central Iowa water supply.”
Background
The NPL is a list of known sites throughout the United States and its
territories where historic releases of hazardous substances, pollutants, or
contaminants pose significant threats to human health and the environment.
This list serves as the basis for prioritizing Superfund cleanup funding and
enforcement actions. Only releases at non-federal sites included on the NPL
are eligible to receive federal funding for long-term, permanent cleanup.
“Updating the National Priorities List is a critical component of EPA’s
comprehensive approach to protecting human health and the environment from
contamination, including in communities overburdened by disproportionate
environmental impacts,” said EPA Administrator Michael S. Regan. “Cleaning
up contaminated land and groundwater and returning them for productive use to
communities, especially those which have borne the brunt of legacy pollution,
is a win for public health and local economies.”
Before EPA adds a site to the NPL, a site must meet EPA’s requirements and
be proposed for addition to the list in the Federal Register, subject to a
60-day public comment period. EPA may add the site to the NPL if it continues
to meet the listing requirements after the public comment period closes and
the Agency has responded to any comments.
Superfund cleanups provide health and economic benefits to communities. The
program is credited for significant reductions in both birth defects and blood
lead levels among children living near sites, and research has shown
residential property values increase up to 24% within 3 miles of sites after
cleanup.
Since taking office, the Biden-Harris administration has followed through on
commitments to update the National Priorities List twice a year, as opposed to
once per year. Today’s announcement is the first time EPA is updating the
NPL in 2024.
Visit the new Lot 46 Valley Gardens TCE Superfund Site Profile page.
Visit the older Lot 46 Valley Gardens TCE Site page for information as the new
page is updated.
View the supporting documentation for adding the Lot 46 Valley Gardens TCE
Superfund Site to the NPL.
View the newly proposed and new additions to the NPL.
Learn more about Superfund and the NPL.
# # #
Learn more about EPA Region 7
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