EPA Air · stack tests by county and year
Air-emissions stack tests in Douglas County, Wisconsin, 2023
- 18Stack 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 Douglas County, Wisconsin during 2023. 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 Douglas County facility page.
Douglas County, Wisconsin, 2023
Air-emissions stack tests in Douglas County, other years
Air-emissions stack tests recorded in Douglas County, Wisconsin, 2023
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2023-11-28 | GRAYMONT (WI) LLC — high-priority violation on file | Pass | State |
| 2023-11-28 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Pass | State |
| 2023-11-02 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Pass | State |
| 2023-10-10 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Pass | State |
| 2023-09-21 | GRAYMONT (WI) LLC — high-priority violation on file | Pass | State |
| 2023-09-19 | GRAYMONT (WI) LLC — high-priority violation on file | Pass | State |
| 2023-09-06 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Pass | State |
| 2023-08-29 | SUPERIOR REFINING COMPANY LLC - PETROLEUM BULK STATIONS AND TERMINALS | Pass | State |
| 2023-08-28 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Pass | State |
| 2023-08-22 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Pass | State |
| 2023-08-19 | GRAYMONT (WI) LLC — high-priority violation on file | Pass | State |
| 2023-07-11 | GENERAL MILLS OPERATIONS LLC | Pass | State |
| 2023-07-11 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Pass | State |
| 2023-06-28 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Pass | State |
| 2023-06-27 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | Pass | State |
| 2023-04-23 | GENERAL MILLS OPERATIONS LLC | Pass | State |
| 2023-03-14 | GRAYMONT (WI) LLC — high-priority violation on file | Pass | State |
| 2023-01-03 | GRAYMONT (WI) LLC — high-priority violation on file | 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 Douglas county, WI, in 2023. It lists 18 stack tests recorded in 2023.