Public Notice: Draft UIC Class VI Geologic Carbon Sequestration Permit - Carbon Storage Solutions, Front Range 1-1, Weld County, Colorado
Summary
The U.S. Environmental Protection Agency (EPA) Underground Injection Control (UIC) program is providing public notice for the Intent to Issue Class VI Geologic Carbon Sequestration Underground Injection Control (UIC) Permit for Carbon Storage Solutions, LLC under the authority of the Safe Drinking Water Act (SDWA) and UIC Program regulations 40 CFR Parts 124, 144-146 and an associated injection depth waiver for injection into the Lyons formation.
Permit Information
| Injection Well | Latitude/Longitude | Permit Number |
|---|---|---|
| Front Range 1-1 | 40.454962, -104.859761 | CO62455-12770 |
The proposed Class VI permit is for one (1) Class VI injection well (Front Range 1-1) that will be used to inject carbon dioxide for the purpose of geologic sequestration near Windsor, Colorado in Weld County. The proposed permit requires, among other things, that the permittee monitor the injection project and submit periodic reports to EPA Region 8. Ongoing monitoring requirements are designed to ensure protection of underground sources of drinking water.
Injection Depth Waiver Information
The EPA is providing notice to the public that CSS has submitted an Injection Depth Waiver application for this project. Class VI permit applicants who intend to sequester CO2 in reservoirs above the lowermost USDW, must submit an injection depth waiver application in accordance with 40 CFR § 146.95.
Location:
Name and Depth of Proposed Injection Zone:
Lyons Formation, between 8,876 and 8,958 ft below ground surface
USDWs within the AOR:
Quaternary: Surface – 218 ft below ground surface
Pierre Shale: 2365 – 4654 ft below ground surface
Entrada: 8175 – 8268 ft below ground surface
Ingleside: Estimated 9189 – 9773 ft below ground surface
Public Water Supplies Affected or in the Area of Review:
There are no public water supplies reasonably likely to be affected by the injection or served by USDWs in the area of review.
Consultation Results:
The EPA Region 8 consulted with the Colorado Department of Public Health and the Environment (CDPHE) Public Water System Supervision (PWSS) program in accordance with 40 CFR § 146.95(b)(2). The purpose of this consultation was to ascertain whether the Ingleside Formation, which underlies the proposed injection zone, is currently being utilized or is planned to be utilized as a drinking-water resource in the future. Currently no communities are utilizing the Ingleside Formation or have plans to do so. The PWSS Director cited the depth and highly variable water quality of the Ingleside as constraints on utilizing the aquifer as a resource in the regional area surrounding the FRSC.
For more detailed information on the injection depth waiver, please see Injection Depth Waiver Evaluation for Geologic Sequestration Permit Number: CO62455-12770 at www.regulations.gov under Docket # EPA-R08-OW-2026-1915
Public Comments
In accordance with the requirements of 40 CFR 124.10, the public is invited to comment on these actions submitting written comments online at www.regulations.gov under Docket # EPA-R08-OW-2026-1915
All comments must be submitted to EPA Region 8 and received prior to the end of the comment period to be considered in the formulation of any final permit determinations. Comments must be received by 11:59 p.m. Mountain Standard Time (MST) on April 8, 2026
Public Engagement Meeting
A public hearing will be held upon request. To request a hearing, contact Zac Moore by email at moore.zac@epa.gov, or by phone at 1-800-227-8917 ext. 312-7075 or (303) 312-7075. Hearing requests must be received by April 8, 2026. If a public hearing is held, EPA Region 8 will public notice the time and location.
Reasonable Accommodations And Translation Services
We value inclusion and access for all participants and are pleased to provide reasonable accommodation and translation services for draft permit, fact sheet, technical documents or application material. Please contact Zac Moore at moore.zac@epa.gov or 303-312-7075 to make a reasonable accommodation request. Requests must be submitted by 4:00 p.m. MST on April 8, 2026
Supporting Materials
All data submitted by the applicant is available as part of the administrative record for the Draft Permit. This Notice, EPA’s Fact Sheet, the Draft Permit, CSS’s permit application, and other supporting documents are available for public review online at www.regulations.gov under Docket # EPA-R08-OW-2026-1915
For Further Information
Additional information may be obtained upon request by calling Zac Moore at 303-312-7075, or by sending an email to moore.zac@epa.gov. Additionally, permit documents and application materials are available online at www.regulations.gov under Docket # EPA-R08-OW-2026-1915.
Applicants or Respondents
Carbon Storage Solutions, LLC31375 Great Western Drive
Windsor, CO 80550
United States