EPA Air · stack tests by county and year
Air-emissions stack tests in Martin County, Texas, 2025
- 5Stack 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 Martin County, Texas 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 Martin County facility page.
Martin County, Texas, 2025
Air-emissions stack tests in Martin County, other years
- 2023 4
What stands out
- Stack tests in Martin County, Texas, rose from 4 in 2023, the previous year on file, to 5 in 2025.
- The county’s file for stack tests holds 2 years of events, from 2023 through 2025.
- Its 5 stack tests rank 17th of the 21 county cells in Texas for 2025.
- Its 5 stack tests are 1.6% of the 308 the state’s file holds for 2025.
Every line is computed by formula from the state’s stored file; nothing is estimated.
Air-emissions stack tests recorded in Martin County, Texas, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-21 | FALCON COMPRESSOR STATION | Pass | State |
| 2025-11-21 | FALCON COMPRESSOR STATION | Pass | State |
| 2025-11-21 | FALCON COMPRESSOR STATION | Pass | State |
| 2025-11-21 | FALCON COMPRESSOR STATION | Pass | State |
| 2025-11-21 | FALCON COMPRESSOR STATION | 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 Martin county, TX, in 2025. Stack tests recorded in 2025: 5.