EPA Air · by county
Air-emissions sources in Kay County, Oklahoma
- 91Facilities
Every stationary source in Kay County, Oklahoma that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
Every source’s record in Kay County
Each of the 90 operating major, synthetic minor and minor sources in Kay County, Oklahoma has a record page: every source in Kay County, A to Z.
By emissions classification in Kay County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Kay County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 inspections 12
- 2025 inspections 14
- 2024 inspections 13
- 2023 inspections 29
- 2022 inspections 103
- 2021 inspections 104
- 2020 inspections 121
- 2019 inspections 126
- 2018 inspections 121
- 2017 inspections 96
Violations in Kay County, by year
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity.
- 2026 violations 4
- 2025 violations 3
- 2024 violations 16
- 2023 violations 7
- 2022 violations 12
- 2021 violations 4
- 2020 violations 7
- 2019 violations 11
- 2018 violations 5
Stack tests in Kay County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2024 stack tests 9
- 2023 stack tests 6
- 2022 stack tests 7
- 2021 stack tests 9
- 2020 stack tests 6
- 2019 stack tests 15
- 2018 stack tests 12
- 2017 stack tests 11
Inspections in Kay County, year by year · Violations in Kay County, year by year · Stack tests in Kay County, year by year
Other counties in Oklahoma
Every county in the state with at least three sources on file.
- Grady County 1,007
- Grant County 276
- Greer County 8
- Harmon County 7
- Harper County 80
- Haskell County 117
- Hughes County 264
- Jackson County 36
- Jefferson County 15
- Johnston County 90
- Kingfisher County 1,161
- Kiowa County 36
- Latimer County 161
- Le Flore County 139
- Lincoln County 93
- Logan County 186
- Love County 73
- Major County 291
- Marshall County 129
Kay County carries 91 of the 16,337 air-emissions sources this register holds in Oklahoma, which places it 41st of 77 in that cohort.
Facilities
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for Kay county, OK. It lists 91 facilities in Kay county, including 9 major sources.