Public Notice: Richardson Flat Tailings Engineering Evaluation/Cost Analysis Available for Public Comment
Summary
EPA Region 8 has released a cleanup study called an Engineering Evaluation/Cost Analysis (EE/CA) for a non-time critical removal action at Operable Unit 2 and Operable Unit 3 at the site.
The EE/CA:
- Describes current site conditions
- Evaluates cleanup alternatives and associated costs
- Identifies a preferred cleanup approach to address ongoing releases and reduce risks to people and the environment
The document is available for pubic review and comment through June 8, 2026.
- Richardson Flat Tailings OU2/3 Assessment Site; Park City, Summit County, Utah; Final Engineering Evaluation/Cost Analysis (pdf)(161 pp, 13.15 MB)
- Site Webpage: Richardson Flat Tailings
EPA Region 8 is accepting public comments on a proposed cleanup action for OU2 and OU3 at the Richardson Flat Tailings Superfund site. EPA encourages community involvement and values public input before making a final cleanup decision.
A 45-day public comment period is open:
- Dates: April 22nd through June 8th, 2026
During this time, the public may review the EE/CA and submit written comments. All comments received will be reviewed and considered by EPA.
After the comment period closes, EPA will:
- Review and consider all public comments
- Select a cleanup alternative
- Document the decision in a CERCLA Action Memorandum
Applicants or Respondents
United States