EPA Air · stack tests by county and year
Air-emissions stack tests in Washington County, Arkansas, 2024
- 12Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Washington County, Arkansas during 2024. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Washington County facility page.
Washington County, Arkansas, 2024
- Inspections 11
Air-emissions stack tests in Washington County, other years
Air-emissions stack tests recorded in Washington County, Arkansas, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-09-26 | SOUTHWESTERN ELECTIRC POWER COMPANY - HARRY D. MATTISON POWER PLANT | Pass | State |
| 2024-09-26 | ARKANSAS ELECTRIC COOPERATIVE CORPORATION - ELKINS CT PLANT | Pass | State |
| 2024-09-26 | ARKANSAS ELECTRIC COOPERATIVE CORPORATION - ELKINS CT PLANT | Pass | State |
| 2024-09-26 | ARKANSAS ELECTRIC COOPERATIVE CORPORATION - ELKINS CT PLANT | N/A | State |
| 2024-09-25 | SOUTHWESTERN ELECTIRC POWER COMPANY - HARRY D. MATTISON POWER PLANT | Pass | State |
| 2024-09-24 | SOUTHWESTERN ELECTIRC POWER COMPANY - HARRY D. MATTISON POWER PLANT | Pass | State |
| 2024-08-02 | SOUTHWESTERN ELECTIRC POWER COMPANY - HARRY D. MATTISON POWER PLANT | Pass | State |
| 2024-08-01 | SOUTHWESTERN ELECTIRC POWER COMPANY - HARRY D. MATTISON POWER PLANT | Pass | State |
| 2024-07-31 | SOUTHWESTERN ELECTIRC POWER COMPANY - HARRY D. MATTISON POWER PLANT | Pass | State |
| 2024-07-30 | SOUTHWESTERN ELECTIRC POWER COMPANY - HARRY D. MATTISON POWER PLANT | Pass | State |
| 2024-05-15 | CITY OF FAYETTEVILLE - PAUL R. NOLAND WWTP | Pass | State |
| 2024-04-03 | UNIVERSITY OF ARKANSAS - FAYETTEVILLE CAMPUS | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Washington county, AR, for 2024. It lists 12 stack tests recorded in 2024.