EPA Settlement Agreement for Response Action at Richardson Flat Tailings Site

FR: Environmental Protection Agency

Published March 23rd, 2026

Detected March 21st, 2026

Summary

The EPA has issued a notice regarding a proposed settlement agreement for a response action at the Richardson Flat Tailings Superfund Site in Utah. The agreement is with LHM DEV RIH LLC, a bona fide prospective purchaser, and outlines the performance of a response action and payment for certain response costs. The public has 30 days to comment on the proposed agreement.

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What changed

The Environmental Protection Agency (EPA) has published a notice of a proposed settlement agreement concerning the Richardson Flat Tailings Superfund Site, Operable Unit 1, located in Summit County, Utah. This agreement is between the EPA, the Utah Department of Environmental Quality, and LHM DEV RIH LLC (the Purchaser). The settlement details the performance of a response action by the Purchaser and the reimbursement of certain response costs incurred by the United States at the site, specifically concerning parcels SS-87 and SS-88. This action is being taken under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).

This notice initiates a 30-day public comment period, ending on April 22, 2026. The EPA will consider all submitted comments and may modify or withdraw its consent to the agreement if the comments indicate it is inappropriate or inadequate. Regulated entities or interested parties can submit comments via Regulations.gov, referencing Docket ID No. EPA-R8-SFUND-2025-0072, or directly to the EPA Enforcement Specialist. The agreement itself and additional background information are available upon request.

What to do next

Review the proposed settlement agreement for the Richardson Flat Tailings Superfund Site.
Submit comments on the proposed agreement by April 22, 2026, via Regulations.gov or directly to the EPA.

Source document (simplified)

Notice

Settlement Agreement for Response Action by Bona Fide Prospective Purchaser: Richardson Flat Tailings Superfund Site Operable Unit 1

A Notice by the Environmental Protection Agency on 03/23/2026

This document has a comment period that ends in 32 days.
(04/22/2026) View Comment Instructions
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Public Inspection Published Document: 2026-05602 (91 FR 13843) Document Headings ###### Environmental Protection Agency

[EPA-R08-SFUND-2025-0072; FRL-12638-01-R8]

AGENCY:

Environmental Protection Agency (EPA).

ACTION:

Notice of proposed agreement; request for public comment.

SUMMARY:

In accordance with the Comprehensive Environmental Response, Compensation, and Liability Act (“CERCLA”), notice of a proposed settlement agreement between the United States Environmental Protection Agency (“EPA”), the Utah Department of Environmental Quality (“DEQ”), and LHM DEV RIH LLC (“Purchaser”) is hereby given. The proposed settlement agreement provides for the performance of a response action by Purchaser and the payment for certain response costs incurred by the United States at or in connection with the Richardson Flat Tailings Site, specifically, portions of certain real property generally known as parcels SS-87 and SS-88, in Summit County, Utah. EPA, DEQ, and the Purchaser recognize that this settlement has been negotiated in good faith and that the actions undertaken by the Purchaser in accordance with this settlement do not constitute an admission of any liability.

DATES:

Comments must be submitted on or before April 22, 2026.

ADDRESSES:

The proposed agreement and additional background information relating to the agreement will be available upon request. Comments and requests for a copy of the proposed agreement should be addressed to Sarah Ferguson, Enforcement Specialist, Superfund and Emergency Management Division, Environmental Protection Agency-Region 8, Mail Code 8SEM-PAC, 1595 Wynkoop Street, Denver, Colorado 80202, telephone number: (303) 312-6029, email address: ferguson.sarah@epa.gov and should reference the Richardson Flat Tailings Superfund Site Operable Unit 1. You may also send comments, identified by Docket ID No. EPA-R8-SFUND-2025-0072 to https://www.regulations.gov. Follow the online instructions for submitting comments.

FOR FURTHER INFORMATION CONTACT:

Amelia Piggott, Assistant Regional Counsel, Office of Regional Counsel, Environmental Protection Agency, Region 8, Mail Code 8 ORC-LEC, 1595 Wynkoop, Denver, Colorado 80202, telephone number: (303) 312-6410, email address: piggott.amelia@epa.gov.

SUPPLEMENTARY INFORMATION:

For thirty (30) days following the date of publication of this document, the United States will receive written comments relating to the agreement. The United States will consider all comments received and may modify or withdraw its consent to the agreement if comments received disclose facts or considerations that indicate that the agreement is inappropriate, improper, or inadequate.

Aaron Urdiales,

Division Director, Superfund and Emergency Management Division, Region 8.

[FR Doc. 2026-05602 Filed 3-20-26; 8:45 am]

BILLING CODE 6560-50-P

Published Document: 2026-05602 (91 FR 13843)