Kentucky Air Permits

Air permits & authorizations

• Insignificant and trivial activities

  Exemption

  Insignificant activities must be listed in applications and permits; trivial activities need not be included.

  Official page

• Registration

  Registration / Notice

  Some sources above certain thresholds must register rather than obtain a permit.

  401 KAR 52:070Official page

• Minor / State-Origin Permit

  Minor NSR

  For sources above registration levels and below major thresholds.

  Thresholds (summarized from source, not a quotation)

  Per DAQ: above registration levels but below 100 TPY of a non-hazardous pollutant, and below 10 TPY of any single HAP or 25 TPY of all HAPs.

  401 KAR 52:040Official page

• Conditional Major (FESOP)

  State Operating

  For sources whose potential emissions would otherwise require a major permit, if they accept limits.

  401 KAR 52:030Official page

Major NSR (PSD & nonattainment)

• PSD

  PSD

  Applies to certain major projects in areas meeting air quality standards; requires BACT.

  Official page

Title V operating permits

• Major / Title V Permit

  Title V

  Operating permit for major sources.

  Thresholds (summarized from source, not a quotation)

  Per DAQ: more than 100 TPY of any non-hazardous pollutant, or more than 10 TPY of any single HAP or 25 TPY of all HAPs combined.

  401 KAR 52:020Official page

Oil & Gas

DAQ's permitting page lists no oil-and-gas-specific air permit. Oil and gas facilities follow the registration/state-origin/conditional major/Title V framework; federal NSPS OOOO-series and NESHAP HH apply where applicable.

State air regulations

• 401 KAR Chapter 52Permits, Registrations, and Prohibitory Rules
• 401 KAR 52:020Title V permits
• 401 KAR 52:030Federally-enforceable permits for nonmajor sources
• 401 KAR 52:040State-origin permits
• 401 KAR 52:070Registration of designated sources

Forms

• Air Permitting Forms and Information (DEP 7007 series)
• DEP 7007AI Administrative Information instructions
• Ownership Change Form

Guidance

• Air Permit Application Guide
• Title V procedures (ADA)
• Trivial Activities
• Air quality program fee change fact sheet

Compliance

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

Sources

• KY DAQ Air Permitting
• 401 KAR Chapter 52

Editorial note: Regulation section titles are summarized; confirm in the Chapter 52 PDF. PSD and nonattainment regulation citations (401 KAR Chapter 51) were not stated on the DAQ page.