Pinal County contains 159 EPA-regulated facilities, 8 of which are currently flagged for significant noncompliance. The county also hosts 0 Superfund sites and 36 TRI chemical reporters. EPA has assessed $5.3M in lifetime penalties and TRI reporters disclosed roughly 1.2M lb of on-site releases. That facility count is well above the Arizona state average of 47 per county.
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Asarco Llc Ray Mine Operations | Kearny | 1.0M | Compliant |
| Kohler Company | Casa Grande | 57.9k | Compliant |
| Arizona Environmental Container Corp | Eloy | 50.1k | Compliant |
| Abbott Nutrition Division, Casa Grande | Casa Grande | 25.6k | Compliant |
| Hexcel Corp | Casa Grande | 20.7k | Compliant |
| Mesa Fully Formed - Coolidge | Coolidge | 9.3k | Compliant |
| Army Nat Guard Florence Training Range | Florence | 4.9k | Compliant |
| Aco Polymer Products | Casa Grande | 2.2k | Compliant |
| Kloeckner Metals Corp | Apache Junction | 1.3k | Compliant |
| Lucid Usa, Inc. | Casa Grande | 1.1k | Compliant |
| Schuff Steel Co | Eloy | 33 | Compliant |
| Fabricated Products Inc | Casa Grande | 30 | Compliant |
| Sacaton | Sacaton | 7 | Compliant |
| Hasa Inc | Eloy | 5 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Bright International Corp | Coolidge | $0 | 2025-07-30 |
| Papago Butte Dwid-Xtp003 - 4-Log | Maricopa | $0 | |
| Maricopa Mountain Water - East | Maricopa | $0 | |
| Maricopa Agriculture Center-Tp001 - Pou - As - No3 | Maricopa | $0 | |
| Apache Junction Water District-Tp002 - Cl2, As | Apache Junction | $0 | |
| Kelvin Simmons Water Coop | San Tan Valley | $0 | |
| Sun Valley Farms Unit Vi | Queen Creek | $0 | |
| Silverbell Irr & Drain | Arizona City | $0 |