Reilly Tar Chemical Corp St Louis Park Plant

⚠ Superfund · Construction complete

EPA completed its sixth five-year review of the Reilly Tar & Chemical Corp. (St. Louis Park Plant) Superfund site in June 2021. The Superfund law requires regular checkups of sites that have been cleaned up – with waste managed onsite – to make sure the cleanup continues to protect people and the environment.

Location

CitySt. Louis Park
CountyHennepin County
StateMinnesota
Coordinates44.94167, -93.37222

Contaminants of concern

Contaminated media

Cleanup timeline

  1. Initial Assessment Completed — 06/01/1982
  2. Proposed to the National Priorities List — 12/30/1982
  3. Finalized on the National Priorities List — 09/08/1983
  4. Remedial Investigation Started — 07/22/1981
  5. Remedy Selected — 06/06/1984
  6. Final Remedy Selected — 06/30/1995
  7. Remedial Action Started — 11/01/1985
  8. Final Remedial Action Started — 05/09/1996
  9. Construction Completed — 06/30/1997
  10. Deleted from National Priorities List — Not Yet Achieved

EPA references

Other Superfund sites in Hennepin County

EPA-regulated facilities nearby

Understanding this Superfund site

Reilly Tar Chemical Corp St Louis Park Plant is a federal Superfund site in Minnesota. 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: Construction complete. Physical construction of the cleanup remedy is complete, though long-term monitoring and institutional controls typically continue for years or decades. Groundwater treatment systems, for example, often run long after surface cleanup finishes.

EPA has identified 5 contaminants of concern at this site, including benzo[a]pyrene, carcinogenic polycyclic aromatic hydrocarbons (cpah), creosote. 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.