EPA Air · by county
Air-emissions sources in Pima County, Arizona
- 48Facilities
Every stationary source in Pima County, Arizona that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Pima County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Pima County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 — inspections 5
- 2025 — inspections 5
- 2024 — inspections 16
- 2023 — inspections 5
- 2022 — inspections 8
- 2021 — inspections 6
- 2020 — inspections 8
- 2019 — inspections 8
- 2018 — inspections 11
- 2017 — inspections 7
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AIR LIQUIDE CORP | Minor source | No |
| ASARCO PIMA MINE_(MISSION MINE) | Major source | No |
| ASARCO,INC - SAN XAVIER MINE | Major source | No |
| BRUSH CERAMIC PRODUCTS | Minor source | No |
| CALPORTLAND - RILLITO CEMENT PLANT | Major source | No |
| CATERPILLAR, INC. - TUCSON PROVING GROUNDS COMPLEX | No | |
| CEMEX CONSTRUCTION MATERIALS SOUTH LLC - APEX PLANT | No | |
| CHEVRON USA | Synthetic minor source | No |
| CITY OF TUCSON - LOS REALES LANDFILL | Major source | No |
| DAVIS MONTHAN AIR FORCE BASE - ELECTRIC, GAS, AND SANITARY SERVICES | No | |
| DAVIS MONTHAN AIR FORCE BASE - HEALTH SERVICES | No | |
| DAVIS MONTHAN AIR FORCE BASE - NATIONAL SECURITY AND INTERNATIONAL AFFAIRS | No | |
| DAVIS MONTHAN AIR FORCE BASE - REAL ESTATE | No | |
| DAVIS MONTHAN AIR FORCE BASE - SPECIAL WAREHOUSING AND STORAGE | No | |
| DAVIS MONTHAN AIR FORCE BASE - TRANSPORTATION BY AIR | No | |
| DAVIS-MONTHAN AFB- 355 CES/CEV | Synthetic minor source | No |
| DICKENS QUALITY DEMOLITION | Minor source | No |
| EL PASO NATURAL GAS | Major source | No |
| EL PASO NATURAL GAS COMPANY- VAIL COMPRESSOR STATION | Major source | No |
| ENVIRONMENTAL STRATEGIES INC | Minor source | No |
| FREEPORT-MCMORAN SIERRITA | Major source | No |
| GRANITE CONSTRUCTION COMPANY - SWAN ROAD PLANT | No | |
| GRANITE CONSTRUCTION COMPANY - TANGERINE ROAD FACILITY | No | |
| KIMBERLY WOODS | Minor source | No |
| LEARJET INC | Major source | No |
| MISSION LINEN SUPPLY | No | |
| PIMA CO SEWAGE PLANT | Synthetic minor source | No |
| PIMA CO WASTEWATER RECLAMATION DEPT | Major source | No |
| POLY PRINT | Synthetic minor source | No |
| POLY PRINT, INC. | No | |
| RAYTHEON | Minor source | No |
| S.R. SMITH, LLC | Major source | No |
| SFPP,LP - TUCSON TERMINAL | Major source | No |
| SIERRA MINING & CRUSHING LLC | No | |
| SOUTHGATE COMMUNITY DEVELOPMENT | Minor source | No |
| SOUTHWEST SOIL REMEDIATION INC | Minor source | No |
| TANGERINE LANDFILL | Minor source | No |
| TOHONO O'ODHAM NATION | Minor source | No |
| TUCSON ELECTRIC POWER CO (NORTH LOOP) | Major source | No |
| TUCSON ELECTRIC POWER-IRVINGTON | Major source | No |
| TUCSON ELECTRIC PWR-DEMOSS PETRIE | Major source | No |
| TUCSON IRON & METAL | Minor source | No |
| TUCSON IRON & METAL | No | |
| TUCSON OUTSTANDING PRODUCTS | Major source | No |
| UNIVERSITY OF ARIZONA | Major source | No |
| VULCAN MATERIALS COMPANY - BLACK ANGUS | No | |
| VULCAN MATERIALS COMPANY - MARANA | No | |
| VULCAN MATERIALS COMPANY - ORANGE GROVE | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.