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Public Notice: Opportunity to Comment on Notification of Zero Discharge Requirements for Last Best Armory LLC in Montana

Opportunity to Comment on Notification of Zero Discharge Requirements for Last Best Armory LLC in Montana
How to Comment
Comments Due
October 23, 2026

You may comment on the proposed action by email using subject line “MT-PF00102 Public Comment” to:
Al Garcia (garcia.al@epa.gov)

If you cannot adequately address comments via email, please reach out to Al Garcia at (303) 312-6382 to discuss alternative arrangements.

Publish Date
September 22, 2026

Summary

The purpose of this notice is to state the EPA’s intention to issue a Notice of Discharge Requirements implementing the Categorical Pretreatment Standards found in 40 CFR Part 433 (Metal Finishing Point Source Category) and the Pretreatment Standards found in 40 CFR Part 403 (General Pretreatment Regulations).

Activity

The Last Best Armory LLC is a rifle manufacturer using machining, bluing and case hardening unit operations. The Last Best Armory LLC is subject to the Pretreatment Standards for New Sources in the Metal Finishing Generating Point Source Category, if it were to discharge to the City of Big Timber. The Last Best Armory LLC does not discharge and maintains a zero-discharge status for it regulated wastestream by evaporation and wastewater reuse. The facility is prohibited to discharge non-domestic wastewater to the City of Big Timber Publicly Owned Treatment Works under the National Pollutant Discharge Elimination System permit number MT-PF00102.

Public Comments

The public comment period ends 30 calendar days after the date of publication of this notice. Any interested person may submit written comments on the draft permit. Comments should be directed to Al Garcia using the e-mail contact information in the "How to Comment" box. If you are unable to adequately address comments via email, please reach out to Mr. Garcia by phone to discuss alternative arrangements. All comments received prior to the end of the comment period will be considered in the formulation of any final permit determination and will be part of the administrative record. Any interested person may request a public hearing and the EPA will hold a hearing if the response to this notice indicates significant public interest.

Permit Availability

The draft notice of discharge requirements and fact sheet are available for download below. The full administrative record – including all data submitted by the applicant – is electronically available upon request for public inspection. For further information, please reach out to Mr. Garcia at the contact information provided.

Notification and details of any public comment period extension will be posted here. Interested parties on our email list will also be notified by email. If you wish to be added to our email list, there is a link to subscribe at About Region 8's NPDES Permit Program.

Applicants or Respondents

Yancy and Thor Terland

The Last Best Armory LLC
100 Centennial Drive
Big Timber, MT 59011
United States

Permit Number
MT-PF00102

Related Documents

  • MT-PF00102 Last Best Armory Draft Notification of Zero Discharge Requirements (pdf) (261.46 KB, September 21, 2026)
    The draft notification of zero discharge requirements.
  • MT-PF00102 Last Best Armory Draft Fact Sheet (pdf) (1.15 MB, September 21, 2026)
    The fact sheet for the draft notification of zero discharge requirements.
Contact us about NPDES permits around the nation to ask a question, provide feedback, or report a problem.
Last updated on September 21, 2026
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