EPA Air · stack tests by county and year
Air-emissions stack tests in Clark County, Nevada, 2026
- 50Stack 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 Clark County, Nevada 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 Clark County facility page.
Clark County, Nevada, 2026
Air-emissions stack tests in Clark County, other years
Air-emissions stack tests recorded in Clark County, Nevada, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-07-21 | AMRIZE SOUTHWEST, INC. — high-priority violation on file | Pass | Local |
| 2026-07-21 | AMRIZE SOUTHWEST, INC. — high-priority violation on file | Pass | Local |
| 2026-06-17 | PABCO GYPSUM | Pass | Local |
| 2026-06-16 | PABCO GYPSUM | Pass | Local |
| 2026-06-10 | LHOIST NORTH AMERICA OF ARIZONA - APEX PLANT — high-priority violation on file | Pass | Local |
| 2026-06-09 | JR SIMPLOT COMPANY | Pass | Local |
| 2026-06-05 | EMD ACQUISITION, LLC — high-priority violation on file | Pass | Local |
| 2026-05-28 | CERTAINTEED GYPSUM MANUFACTURING, INC. | Pass | Local |
| 2026-05-28 | CERTAINTEED GYPSUM MANUFACTURING, INC. | Pass | Local |
| 2026-05-06 | CHUCK LENZIE GENERATING STATION | Pass | Local |
| 2026-05-06 | CHUCK LENZIE GENERATING STATION | Pass | Local |
| 2026-05-06 | CHUCK LENZIE GENERATING STATION | Pass | Local |
| 2026-05-06 | CHUCK LENZIE GENERATING STATION | Pass | Local |
| 2026-04-28 | EMD ACQUISITION, LLC — high-priority violation on file | Pass | Local |
| 2026-04-09 | LHOIST NORTH AMERICA OF ARIZONA - APEX PLANT — high-priority violation on file | Pass | Local |
| 2026-03-27 | LHOIST NORTH AMERICA OF ARIZONA - APEX PLANT — high-priority violation on file | Pass | Local |
| 2026-03-25 | PABCO GYPSUM | Fail | Local |
| 2026-03-24 | PABCO GYPSUM | Fail | Local |
| 2026-02-28 | SWITCH LTD | Pass | Local |
| 2026-02-28 | SWITCH LTD | Pass | Local |
| 2026-02-28 | SWITCH LTD | Pass | Local |
| 2026-02-28 | SWITCH LTD | Pass | Local |
| 2026-02-28 | SWITCH LTD | Pass | Local |
| 2026-02-22 | SWITCH LTD | Pass | Local |
| 2026-02-22 | SWITCH LTD | Pass | Local |
| 2026-02-22 | SWITCH LTD | Pass | Local |
| 2026-02-22 | SWITCH LTD | Pending | Local |
| 2026-02-22 | SWITCH LTD | Pass | Local |
| 2026-02-21 | SWITCH LTD | Pass | Local |
| 2026-02-21 | SWITCH LTD | Pass | Local |
| 2026-02-21 | SWITCH LTD | Pass | Local |
| 2026-02-21 | SWITCH LTD | Pass | Local |
| 2026-02-21 | SWITCH LTD | Pass | Local |
| 2026-02-20 | SWITCH LTD | Pass | Local |
| 2026-02-20 | SWITCH LTD | Pass | Local |
| 2026-02-20 | SWITCH LTD | Pass | Local |
| 2026-02-20 | SWITCH LTD | Pass | Local |
| 2026-02-20 | SWITCH LTD | Pass | Local |
| 2026-02-19 | GEORGIA PACIFIC GYPSUM, LLC | Pass | Local |
| 2026-02-19 | GEORGIA PACIFIC GYPSUM, LLC | Pass | Local |
| 2026-02-19 | GEORGIA PACIFIC GYPSUM, LLC | Pass | Local |
| 2026-02-18 | GEORGIA PACIFIC GYPSUM, LLC | Pass | Local |
| 2026-02-11 | PRO TERMINAL OPERATORS, LLC LAS VEGAS TERMINAL | Pass | Local |
| 2026-01-13 | CAESARS ENTERTAINMENT INCORPORATED - CAESARS CONSOLIDATED PROPERTIES | Pass | Local |
| 2026-01-12 | CAESARS ENTERTAINMENT INCORPORATED - CAESARS CONSOLIDATED PROPERTIES | Pass | Local |
| 2026-01-12 | CAESARS ENTERTAINMENT INCORPORATED - CAESARS CONSOLIDATED PROPERTIES | Pass | Local |
| 2026-01-08 | PABCO GYPSUM | Pass | Local |
| 2026-01-06 | PABCO GYPSUM | Pass | Local |
| 2026-01-06 | PABCO GYPSUM | Fail | Local |
| 2026-01-06 | PABCO GYPSUM | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.