Pima County contains 247 EPA-regulated facilities, 4 of which are currently flagged for significant noncompliance. The county also hosts 1 Superfund sites and 32 TRI chemical reporters. EPA has assessed $11.5M in lifetime penalties and TRI reporters disclosed roughly 3.8M lb of on-site releases. That facility count is well above the Arizona state average of 47 per county.
| Site | City | Status |
|---|---|---|
| Tucson International Airport Area | Tucson | Cleanup underway |
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Asarco Llc Mission Mine Complex | Sahuarita | 2.1M | Compliant |
| Freeport-Mcmoran Sierrita, Inc. | Green Valley | 1.7M | Compliant |
| S.r. Smith | Tucson | 22.0k | Compliant |
| Flsmidth Krebs Inc. | Tucson | 11.5k | Compliant |
| Us Dod Usaf Davis - Monthan Afb | Tucson | 9.0k | Compliant |
| Silver Bell Mining Llc | Marana | 4.1k | Compliant |
| Swan Rd. Asphalt Plant | Tucson | 1.1k | Compliant |
| Calportland - Rillito Cement Plant | Marana | 547 | Compliant |
| Keramont Corp | Tucson | 250 | Compliant |
| Caid Industries Inc. | Tucson | 41 | Compliant |
| Johns Manville | Tucson | 22 | Compliant |
| Tuscon Arizona Asphalt | Tucson | 15 | Compliant |
| Roche Tissue Diagnostics/Ventana Medical Systems | Oro Valley | 10 | Compliant |
| Fcc Tucson | Tucson | 2 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Re Darling Co Inc | Tucson | $0 | 2025-03-06 |
| W Silver Recycling Inc. | Tucson | $0 | |
| Abc Towing | Tucson | $0 | |
| Capital Metal Finishing | Tucson | $0 | 2021-10-07 |