Ringwood Mines Landfill

⚠ Superfund · Construction complete

EPA is addressing the site in two stages: immediate actions and a long-term cleanup phase focused on the entire site.

Location

CityRingwood Borough
CountyPassaic County
StateNew Jersey
Coordinates41.13667, -74.27250

Contaminants of concern

Contaminated media

Cleanup timeline

  1. Initial Assessment Completed — 04/01/1980
  2. Proposed to the National Priorities List — 12/30/1982
  3. Finalized on the National Priorities List — 09/08/1983
  4. Finalized on the National Priorities List — 09/27/2006
  5. Remedial Investigation Started — 09/28/1983
  6. Remedy Selected — 09/29/1988
  7. Final Remedy Selected — 09/29/2020
  8. Remedial Action Started — 03/27/2019
  9. Final Remedial Action Started — Estimated Jun - Aug 2027
  10. Construction Completed — 09/15/1993

EPA references

EPA-regulated facilities nearby

Understanding this Superfund site

Ringwood Mines Landfill is a federal Superfund site in New Jersey. 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 10 contaminants of concern at this site, including 1,4-dioxane, aluminum, antimony. Contamination has been detected in leachate, 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.