Ogden Defense Depot Dla

⚠ Superfund · Ready for anticipated reuse

Remedy construction occurredin 1994 and 1995 and operation and maintenance of the remedy has continued ever since One groundwater treatment system was decommissioned in 2023 and the other remains in operation. The majority of the original facility footprint has been redeveloped into the Business Depot Ogden (BDO) business park.

Location

CityOgden
CountyWeber County
StateUtah
Coordinates41.25909, -111.99957

Contaminants of concern

Contaminated media

Cleanup timeline

  1. Initial Assessment Completed — 01/30/1997
  2. Proposed to the National Priorities List — 10/15/1984
  3. Finalized on the National Priorities List — 07/22/1987
  4. Remedial Investigation Started — 09/29/1989
  5. Remedy Selected — 09/27/1990
  6. Final Remedy Selected — 08/09/2000
  7. Remedial Action Started — 11/15/1991
  8. Final Remedial Action Started — 09/08/2014
  9. Construction Completed — 09/28/1995
  10. Deleted from National Priorities List — Not Yet Achieved

EPA references

EPA-regulated facilities nearby

Understanding this Superfund site

Ogden Defense Depot Dla is a federal Superfund site in Utah. 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: Ready for anticipated reuse. EPA considers this site ready for anticipated reuse, meaning cleanup has progressed enough for certain land uses. This does not necessarily mean all contamination has been removed — institutional controls like deed restrictions may limit how the land can be used.

EPA has identified 10 contaminants of concern at this site, including 1,1,2,2-tetrachloroethane, 1,1-dichloroethene, 10-chloro-5h-phenarsazinine. Contamination has been detected in soil, groundwater.

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.