Lammers Barrel Factory

⚠ Superfund · Cleanup underway

The site is divided in two areas, or Operable Units (OUs). OU1 is the former Lammers Facility itself, and OU2 is the offsite groundwater contamination. The groundwater plume migrates off site to the east, just north of East Patterson Road.

Location

CityBeavercreek
CountyGreene County
StateOhio
Coordinates39.72639, -84.08431

Contaminants of concern

Contaminated media

Cleanup timeline

  1. Initial Assessment Completed — 03/26/1991
  2. Proposed to the National Priorities List — 09/05/2002
  3. Finalized on the National Priorities List — 09/29/2003
  4. Remedial Investigation Started — 04/09/2002
  5. Remedy Selected — 09/27/2011
  6. Remedial Action Started — 04/10/2023
  7. Construction Completed — Estimated Dec 2026 - Feb 2027
  8. Deleted from National Priorities List — Not Yet Achieved
  9. Most Recent Five-Year Review — Not Yet Achieved
  10. Achieved Sitewide Ready for Anticipated Reuse — Not Yet Achieved

EPA references

EPA-regulated facilities nearby

Understanding this Superfund site

Lammers Barrel Factory is a federal Superfund site in Ohio. 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: Cleanup underway. Active cleanup is underway, meaning EPA has approved a remediation plan and work is in progress. Cleanup timelines vary widely — some sites take decades depending on contamination depth, groundwater involvement, and funding availability.

EPA has identified 10 contaminants of concern at this site, including arsenic, benzene, benzo[a]pyrene. Contamination has been detected in groundwater, soil.

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.