EPA Air · stack tests by county and year
Air-emissions stack tests in Kent County, Michigan, 2025
- 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 Kent County, Michigan 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 Kent County facility page.
Kent County, Michigan, 2025
Air-emissions stack tests in Kent County, other years
Air-emissions stack tests recorded in Kent County, Michigan, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-12 | KENT COUNTY WASTE TO ENERGY FACILITY | Pass | State |
| 2025-11-05 | ENERGY DEVELOPMENTS BYRON CENTER, LLC | Pass | State |
| 2025-10-02 | LACKS INDUSTRIES INC — high-priority violation on file | Pass | State |
| 2025-09-30 | GRAND RAPIDS WASTEWATER TREATMENT PLANT | Pass | State |
| 2025-07-17 | LACKS ENTERPRISES INC. | Pass | State |
| 2025-06-26 | KELLANOVA MANUFACTURING LLC | Pass | State |
| 2025-06-25 | KENT COUNTY WASTE TO ENERGY FACILITY | Pass | State |
| 2025-05-29 | BIMBO BAKERIES USA, INC. | Pass | State |
| 2025-04-24 | ARVRON INC | Pass | State |
| 2025-04-15 | ENERGY DEVELOPMENTS BYRON CENTER, LLC | Pass | State |
| 2025-04-11 | LACKS ENTERPRISES INC. | Fail | State |
| 2025-04-08 | HUTCHINSON ANTIVIBRATION SYSTEMS, INC. — high-priority violation on file | Pass | State |
| 2025-03-31 | KAWASAKI MOTORS CORP USA | Pass | State |
| 2025-02-12 | COREWELL HEALTH - BUTTERWORTH CAMPUS | Pass | State |
| 2025-02-12 | LACKS ENTERPRISES INC. | Pass | State |
| 2025-01-23 | GRAND RAPIDS WASTEWATER TREATMENT PLANT | Fail | State |
| 2025-01-16 | GRAND RAPIDS WASTEWATER TREATMENT PLANT | Pass | State |
| 2025-01-14 | LACKS ENTERPRISES, INC. — 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.