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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Kent county, MI, in 2025. Stack tests recorded in 2025: 18.