EPA Air · stack tests by county and year
Air-emissions stack tests in Kossuth County, Iowa, 2025
- 19Stack 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 Kossuth County, Iowa during 2025. 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 Kossuth County facility page.
Kossuth County, Iowa, 2025
Air-emissions stack tests in Kossuth County, other years
Air-emissions stack tests recorded in Kossuth County, Iowa, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-12 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Pass | State |
| 2025-12-12 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Pass | State |
| 2025-08-14 | MURPHY-BROWN LLC | Pass | State |
| 2025-08-08 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Pass | State |
| 2025-07-10 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Pass | State |
| 2025-07-10 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Pass | State |
| 2025-07-09 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Pass | State |
| 2025-07-09 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Pass | State |
| 2025-07-08 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Fail | State |
| 2025-06-19 | ALGONA MUNICIPAL UTILITIES | Pass | State |
| 2025-06-19 | ALGONA MUNICIPAL UTILITIES | Pass | State |
| 2025-06-18 | ALGONA MUNICIPAL UTILITIES | Pass | State |
| 2025-06-18 | ALGONA MUNICIPAL UTILITIES | Pass | State |
| 2025-05-16 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Pass | State |
| 2025-05-16 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Pass | State |
| 2025-04-24 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Pass | State |
| 2025-04-24 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Pass | State |
| 2025-04-22 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Fail | State |
| 2025-04-22 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | Fail | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.