Gulf State Utilities North Ryan Street

⚠ Superfund · Remedy selected

The site is currently in O&M, performed by the PRP with oversight from EPA.

Location

CityLake Charles
CountyNot Defined County
StateLouisiana
Coordinates30.24083, -93.21917

Contaminants of concern

Contaminated media

Cleanup timeline

  1. Initial Assessment Completed — 02/01/1990
  2. Proposed to the National Priorities List — 02/13/1995
  3. Finalized on the National Priorities List — Not Yet Achieved
  4. Remedial Investigation Started — 02/10/1997
  5. Remedy Selected — 09/27/2000
  6. Final Remedy Selected — 09/03/2004
  7. Final Remedial Action Started — 07/11/2005
  8. Construction Completed — Not Yet Achieved
  9. Deleted from National Priorities List — Not Yet Achieved
  10. Most Recent Five-Year Review — 06/06/2025

EPA references

EPA-regulated facilities nearby

Understanding this Superfund site

Gulf State Utilities North Ryan Street is a federal Superfund site in Louisiana. 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: Remedy selected. EPA has selected a cleanup remedy but construction has not yet begun. The remedy selection process involves a feasibility study, public comment period, and a Record of Decision documenting the chosen approach.

EPA has identified 10 contaminants of concern at this site, including 1,2,4-trimethylbenzene, 1,2-dihydroacenaphthylene, 1,3,5-trimethylbenzene. Contamination has been detected in groundwater, surface water, 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.