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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Clark county, NV, for 2026. It lists 50 stack tests recorded in 2026.