EPA Air · by county
Air-emissions sources in Washington County, Oklahoma
- 42Facilities
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Every stationary source in Washington 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 Washington County
Each of the 42 operating major, synthetic minor and minor sources in Washington County, Oklahoma has a record page: every source in Washington County, A to Z.
By emissions classification in Washington 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 Washington 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.
- 2025 inspections 4
- 2022 inspections 4
- 2021 inspections 4
- 2020 inspections 4
- 2019 inspections 5
- 2018 inspections 7
- 2017 inspections 6
Violations in Washington 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.
Stack tests in Washington County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
Inspections in Washington County, year by year · Violations in Washington County, year by year · Stack tests in Washington County, year by year
Other counties in Oklahoma
Every county in the state with at least three sources on file.
- Ottawa County 49
- Pawnee County 33
- Payne County 134
- Pittsburg County 430
- Pontotoc County 84
- Pottawatomie County 77
- Pushmataha County 37
- Roger Mills County 629
- Rogers County 132
- Seminole County 88
- Sequoyah County 55
- Stephens County 373
- Texas County 139
- Tillman County 13
- Tulsa County 524
- Wagoner County 75
- Washita County 343
- Woods County 687
- Woodward County 179
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 Washington county, OK. It lists 42 facilities in Washington county, including 1 major source.