EPA Air · by county
Air-emissions sources in Spokane County, Washington
- 25Facilities
Every stationary source in Spokane County, Washington 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 Spokane County
Each of the 24 operating major, synthetic minor and minor sources in Spokane County, Washington has a record page: every source in Spokane County, A to Z.
By emissions classification in Spokane 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 Spokane 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 4
- 2025 inspections 19
- 2024 inspections 15
- 2023 inspections 16
- 2022 inspections 15
- 2021 inspections 10
- 2020 inspections 8
- 2019 inspections 18
- 2018 inspections 15
- 2017 inspections 20
Violations in Spokane 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.
- 2025 violations 3
- 2024 violations 7
- 2023 violations 10
- 2022 violations 3
- 2021 violations 6
- 2020 violations 8
- 2019 violations 7
- 2018 violations 7
- 2017 violations 5
Stack tests in Spokane County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2025 stack tests 6
- 2024 stack tests 8
- 2023 stack tests 6
- 2022 stack tests 8
- 2021 stack tests 9
- 2020 stack tests 7
- 2019 stack tests 10
- 2018 stack tests 6
- 2017 stack tests 6
Inspections in Spokane County, year by year · Violations in Spokane County, year by year · Stack tests in Spokane County, year by year
Other counties in Washington
Every county in the state with at least three sources on file.
- Cowlitz County 17
- Franklin County 6
- Grant County 12
- Grays Harbor County 19
- King County 119
- Kitsap County 37
- Klickitat County 5
- Lewis County 15
- Mason County 5
- Okanogan County 19
- Pierce County 75
- Skagit County 16
- Snohomish County 65
- Stevens County 5
- Thurston County 5
- Undetermined County 29
- Walla Walla County 5
- Whatcom County 21
- Yakima County 79
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 Spokane county, WA. It lists 25 facilities in Spokane county and 6 major sources.