EPA Air · stack tests by county and year
Air-emissions stack tests in Gwinnett County, Georgia, 2026
- 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 Gwinnett County, Georgia during 2026. 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 Gwinnett County facility page.
Gwinnett County, Georgia, 2026
- Inspections 53
Air-emissions stack tests in Gwinnett County, other years
Air-emissions stack tests recorded in Gwinnett County, Georgia, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-06-17 | C. W. MATHEWS CONTRACTING CO, INC | Pass | State |
| 2026-06-08 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-06-08 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-06-08 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-27 | FLOWERS BAKERY OF SUWANEE LLC | Pass | State |
| 2026-04-24 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-24 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-24 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-22 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-22 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-22 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-21 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-21 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-21 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-21 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-21 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-21 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
| 2026-04-16 | MATTHEWS C W CONTRACTING CO INC | Pass | State |
| 2026-02-03 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.