Remedial Design Currently, EPA is working with the U.S. Army Corps of Engineers (USACE) on the Remedial Design for the site. The Remedial Design finalizes the technical specifications and cleanup methods. USACE will be collecting samples and survey data throughout 2025 to help with cleanup design documents and cost estimates.
| City | Cedarburg |
|---|---|
| County | Ozaukee County |
| State | Wisconsin |
| Coordinates | 43.28844, -87.98206 |
Amcast Industrial Corporation is a federal Superfund site in Wisconsin. The Superfund program, created by Congress in 1980, addresses sites where hazardous substances have been released or threaten release into the environment. EPA scores potential sites using the Hazard Ranking System; those that score high enough are placed on the National Priorities List.
Current status: Listed on NPL. This site is on EPA's National Priorities List, which identifies the most serious uncontrolled or abandoned hazardous waste sites in the country. Listing triggers federal cleanup authority and funding under CERCLA (the Superfund law).
EPA has identified 10 contaminants of concern at this site, including 1,1'-biphenyl, 1,2,4-trimethylbenzene, aroclor 1248. Contamination has been detected in soil gas, groundwater, sediment, soil, fish tissue.
If you live near this site and have health concerns, your state health department can provide site-specific guidance. EPA maintains a community involvement program for most NPL sites, and site documents — including the Record of Decision, five-year reviews, and public health assessments — are typically available through EPA's Superfund site profile.