East Helena Lead Superfund
Site is an EPA Remedial site addressing the contamination from a historic smelter
that operated for over 100 years (1888 to 2001). The lead and zinc smelter
operated on the southern edge of town. The operation led to the deposition of
heavy metal contamination throughout East Helena. A Superfund Site Investigation
(SSI) was completed in 1981 and the site was listed on the National Priority
List (NPL) in 1984. EPA’s Remedial team has completed multiple phases of
remediation work, including groundwater clean up and some residential yard clean ups.
Currently the main problem area is lead contaminated soils with exposure
pathways to sensitive demographics.
In a sampling event completed by EPA's Remedial team in 2023, several unaddressed properties were found with high concern
of exposure. These homes are occupied by highly sensitive demographics
(children and women of children bearing ages) and have high concentrations of lead
in their yards. In some cases, the children at these properties have shown elevated blood lead
levels. EPA’s Remedial Team asked that the Removal team address these prioritized properties in 2024 ahead of Remedial's planned actions in 2025.
The properties include six residential yards and one school playground.
EPA's Removal team excavated contaminated soils from these properties and back filled in clean soils during the summer of 2024. The Remedial team will continue their work on the site addressing soil contamination in 2025.
On June 3, 2024 the Removal team began work addressing the lead contamination.
On August 7, 2024 the Removal team completed the field work and demobilized from the site.
Please see the "Notices" section of this website for more detailed updates.
For more information on the East Helena Lead Superfund Site, please see the EPA Remedial website here:
https://cumulis.epa.gov/supercpad/SiteProfiles/index.cfm?fuseaction=second.ous&id=0800377
If you have concerns related to lead and lead exposure, please reference EPA's lead website here:
https://www.epa.gov/lead/learn-about-lead#:~:text=Adults%20exposed%20to%20lead%20can,in%20both%20men%20and%20women
