EPA Air · stack tests by county and year
Air-emissions stack tests in Putnam County, Indiana, 2026
- 6Stack 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 Putnam County, Indiana 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 Putnam County facility page.
Air-emissions stack tests in Putnam County, other years
Air-emissions stack tests recorded in Putnam County, Indiana, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-05-13 | LONE STAR INDUSTRIES INCORPORATED DBA BUZZI UNICEM USA — high-priority violation on file | Pass | State |
| 2026-05-13 | LONE STAR INDUSTRIES INCORPORATED DBA BUZZI UNICEM USA — high-priority violation on file | Pass | State |
| 2026-01-14 | POET BIOREFINING - CLOVERDALE LLC — high-priority violation on file | Pass | State |
| 2026-01-14 | POET BIOREFINING - CLOVERDALE LLC — high-priority violation on file | Pass | State |
| 2026-01-14 | POET BIOREFINING - CLOVERDALE LLC — high-priority violation on file | Pass | State |
| 2026-01-14 | POET BIOREFINING - CLOVERDALE LLC — 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 Putnam, IN, in 2026. It lists 6 stack tests recorded in 2026.