EPA Air · stack tests by state and year
Air-emissions stack tests in Nevada, 2026
- 57Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Nevada during 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Nevada, 2026
- Clark County 50
Nevada, other years
Air-emissions stack tests recorded in Nevada, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-07-21 | AMRIZE SOUTHWEST, INC. — high-priority violation on file | SLOAN, Clark, NV | Pass | Local |
| 2026-07-21 | AMRIZE SOUTHWEST, INC. — high-priority violation on file | SLOAN, Clark, NV | Pass | Local |
| 2026-06-17 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-06-16 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-06-10 | LHOIST NORTH AMERICA OF ARIZONA - APEX PLANT — high-priority violation on file | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-06-09 | JR SIMPLOT COMPANY | OVERTON, Clark, NV | Pass | Local |
| 2026-06-05 | EMD ACQUISITION, LLC — high-priority violation on file | HENDERSON, Clark, NV | Pass | Local |
| 2026-06-04 | GOLD QUARRY OPERATIONS — high-priority violation on file | CARLIN, Eureka, NV | Pass | State |
| 2026-05-28 | CERTAINTEED GYPSUM MANUFACTURING, INC. | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-05-28 | CERTAINTEED GYPSUM MANUFACTURING, INC. | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-05-19 | ISABELLA PEARL MINE | LUNING, Mineral, NV | Pass | State |
| 2026-05-14 | STARBUCKS MANUFACTURING COMPANY | MINDEN, Douglas, NV | Pass | State |
| 2026-05-14 | WINNEMUCCA PLANT — high-priority violation on file | WINNEMUCCA, Humboldt, NV | Incomplete | State |
| 2026-05-06 | CHUCK LENZIE GENERATING STATION | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-05-06 | CHUCK LENZIE GENERATING STATION | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-05-06 | CHUCK LENZIE GENERATING STATION | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-05-06 | CHUCK LENZIE GENERATING STATION | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-04-28 | EMD ACQUISITION, LLC — high-priority violation on file | HENDERSON, Clark, NV | Pass | Local |
| 2026-04-09 | LHOIST NORTH AMERICA OF ARIZONA - APEX PLANT — high-priority violation on file | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-03-27 | LHOIST NORTH AMERICA OF ARIZONA - APEX PLANT — high-priority violation on file | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-03-25 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Fail | Local |
| 2026-03-24 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Fail | Local |
| 2026-03-18 | SFPP,L.P. (FRMLY KINDER-MORGAN ENERGY) | SPARKS, Washoe, NV | Pass | Local |
| 2026-02-28 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-28 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-28 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-28 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-28 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-22 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-22 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-22 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-22 | SWITCH LTD | LAS VEGAS, Clark, NV | Pending | Local |
| 2026-02-22 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-21 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-21 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-21 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-21 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-21 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-20 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-20 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-20 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-20 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-20 | SWITCH LTD | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-19 | GEORGIA PACIFIC GYPSUM, LLC | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-19 | GEORGIA PACIFIC GYPSUM, LLC | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-19 | GEORGIA PACIFIC GYPSUM, LLC | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-18 | GEORGIA PACIFIC GYPSUM, LLC | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-02-11 | SMOKY VALLEY COMMON OPERATION — high-priority violation on file | ROUND MOUNTAIN, Nye, NV | Pass | State |
| 2026-02-11 | PRO TERMINAL OPERATORS, LLC LAS VEGAS TERMINAL | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-01-13 | CAESARS ENTERTAINMENT INCORPORATED - CAESARS CONSOLIDATED PROPERTIES | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-01-12 | CAESARS ENTERTAINMENT INCORPORATED - CAESARS CONSOLIDATED PROPERTIES | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-01-12 | CAESARS ENTERTAINMENT INCORPORATED - CAESARS CONSOLIDATED PROPERTIES | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-01-08 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-01-07 | BOREALIS MINE | HAWTHORNE, Mineral, NV | Pass | State |
| 2026-01-06 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2026-01-06 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Fail | Local |
| 2026-01-06 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.