Montana Department of Environmental Quality

Montana Department of Environmental Quality

Close: Feb 25, 2026

The Montana Department of Environmental Quality (DEQ) issued a Request for Proposals to establish a multi-award Qualified Energy Partners vendor pool to supply energy-related services and products across the State of Montana. The solicitation (ID DEQ-RFP-2026-0214R) was posted January 22, 2026 and closes February 25, 2026, and is open for proposals as of 2026-01-24. Services include HVAC equipment and services, building and construction services, and other fuel/energy services; bidders must have a UEI (SAM) and meet state and federal requirements.

Montana Department of Environmental Quality

Close: Jan 30, 2026

The Montana Department of Environmental Quality Energy Bureau is seeking proposals for clean buses, trucks, and airport equipment as part of a funding opportunity. This request for applications, titled 'Clean Bus, Truck & Airport Equipment Request for Applications 2026', invites public and private entities who completed Phase 1 to submit their formal applications. The purpose is to fund eligible projects related to clean transportation and airport equipment.

Montana Department of Environmental Quality

Close: Jan 9, 2026

The Montana Department of Environmental Quality (DEQ) issued a Request for Information to gather market input and average rates for basic janitorial services for a small office in Missoula to determine whether to perform services in-house or contract them out. The RFI requests cost estimates and completion of a provided cost estimation table and indicates the period of performance would be January 13, 2026 through December 31, 2026. The RFI is informational only (no award will be made from this RFI), was posted 2026-01-05, and is due 2026-01-09 at 2:00 PM MST.

Montana Department of Environmental Quality

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This document, Montana Air Quality Permit (MAQP) #5227-01, is an administrative amendment issued by the Montana Department of Environmental Quality (DEQ) to O'Connor Funeral Home. It became final and effective on November 15, 2025, and updates a previous permit (MAQP 5227-00) to correct the make and model of a Cremation Systems CFS2300 Human Crematory unit. The permit outlines conditions and limitations related to emission, testing, operational reporting, monitoring systems, and notification requirements for the facility's operation of the cremation unit.

Montana Department of Environmental Quality

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This document is an administrative amendment (MAQP #5317-02) to an existing Montana Air Quality Permit (MAQP #5317-01) for NYDIG DFM, LLC's Shirley Site. The amendment, effective November 11, 2025, primarily removes the annual Title V synthetic minor certification requirement, reclassifying NYDIG as a true minor source. It details emission limitations, testing requirements, operational reporting, and applicable environmental rules and regulations for the facility's Waukesha generator engines, which produce electricity for local data centers.

Montana Department of Environmental Quality

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This document is the Montana Air Quality Permit (MAQP) #2973-05, issued to United States Antimony Corporation, effective December 23, 2025. The permit allows for the modification and expansion of their antimony oxide production facility in Thompson Falls, MT, including upgrading existing baghouses and adding new furnaces, conveyors, and baghouses. The permit outlines specific emission limitations, source testing requirements, and operational reporting mandates. It also includes a detailed Best Available Control Technology (BACT) analysis for various pollutants and an Environmental Assessment evaluating potential impacts on air quality, human health, and other environmental resources, concluding that the impacts will be negligible or minor. The permit references prior MAQPs and discusses public comments received during the permitting process.