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AirPermitHub

VT · EPA Region 1

Vermont Air Permits

Vermont DEC's Air Quality & Climate Division issues a Permit to Construct before construction of a new or modified air contaminant source (sources listed in §5-401 of the Vermont Air Pollution Control Regulations; Subchapter V), and a Permit to Operate for facilities above the potential-emissions level in Subchapter X (see the Permit to Operate entry), which incorporates Title V. Most permits are combined Permits to Construct and Operate. Vermont implements federal NSR/PSD and Title V within its state program, so the state permit is the only construction or operating permit needed. DEC publishes source category guidance (boilers, engines, evaporators, breweries, quarries, asphalt, coating, and others). There are no local air agencies.
Verified against agency sourceLast reviewed 2026-10-25

Air permits & authorizations

  • Sources not listed in §5-401 / emergency engines

    Exemption

    Sources that are not air contaminant sources under §5-401 do not need a Permit to Construct. DEC's engine guidance explains when emergency-only engines need a permit and which must meet minimum emission standards. All stationary RICE need advance notification to AQCD.

    Thresholds (summarized from source, not a quotation)

    Emergency engines typically need no permit if facility-wide aggregate emergency capacity is below 2,000 bhp; emergency engines of 450 bhp or more installed after July 1, 2007 must meet minimum emission standards (restated from DEC RICE guidance).

    VAPCR §5-401Official page
  • Permit to Construct (minor source / minor modification)

    Minor NSR

    Required before a facility commences construction of a new air contaminant source or modification. Lasts for the life of the project. Processing about 150 days for a complete minor application; base fee plus supplemental fees for engineering review, modeling, and emission testing (per DEC Permit Handbook Sheet #14, April 2020).

    Thresholds (summarized from source, not a quotation)

    Example trigger: non-emergency engines over 300 bhp (restated from DEC RICE guidance).

    VAPCR §§5-401, 5-501, 5-502, 5-504; 10 V.S.A. §556Official page
  • Permit to Operate

    State Operating

    Required above the potential-emissions level in the quote; renewed every five years. Usually combined with the Permit to Construct.

    Quoted verbatim from the agency source
    is required for any new or existing facility that has the potential to emit 10 or more tons per year of air pollution in total
    VAPCR Subchapter XOfficial page

Major NSR (PSD & nonattainment)

  • Major Source / Major Modification Permit to Construct (NSR/PSD)

    PSD

    Vermont implements the federal NSR and PSD permit-to-construct programs for larger sources through its state Permit to Construct. Processing about 175 days for a complete application.

    VAPCR Subchapter VOfficial page

Title V operating permits

  • Title V Permit to Operate

    Title V

    Vermont implements federal Title V (40 CFR Part 70) through Subchapter X for larger sources; the state Permit to Operate serves as the Title V permit.

    VAPCR Subchapter XOfficial page

Oil & Gas

Vermont has no oil and gas production. Bulk gasoline and dispensing facilities have a DEC source category page.

    Oil & Gas industry hub

    State air regulations

    Forms

    Guidance

    Compliance

    State compliance obligations (reporting, emissions inventory, testing) are being indexed. Use the Compliance dashboard preview to see how they will be tracked.

    Sources

    Editorial note: DEC pages do not restate the §5-401 source list or numeric Title V thresholds; see the regulation PDF. Fees per Sheet #14 (April 2020): new major $15,000; new minor $2,000 base plus $2,000 supplements; check the current Permit Fees page. AQCD: (802) 828-1288.

    AirPermitHub provides educational, engineering, research, and compliance-support information. Information provided by the platform does not constitute legal advice and should not replace review of applicable regulations, permits, agency guidance, or consultation with qualified professionals. Full disclaimer