Tooele County contains 197 EPA-regulated facilities, 2 of which are currently flagged for significant noncompliance. The county also hosts 3 Superfund sites and 13 TRI chemical reporters. EPA has assessed $1.7M in lifetime penalties and TRI reporters disclosed roughly 17.6M lb of on-site releases. That facility count is well above the Utah state average of 52 per county.
| Site | City | Status |
|---|---|---|
| Jacobs Smelter | Stockton | Cleanup underway |
| Us Magnesium | Tooele County | Listed on NPL |
| Tooele Army Depot North Area | Tooele | Cleanup underway |
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Clean Harbors Grassy Mountain Llc | Greenhaven | 11.3M | Compliant |
| Clean Harbors Aragonite Llc | Grantsville | 3.5M | Penalties |
| Energysolutions Llc | Dugway | 2.7M | Compliant |
| U.s. Magnesium Plant | Tooele | 71.5k | Sig. violation |
| Us Army Dugway Proving Ground | Dugway | 2.6k | Compliant |
| Us Tooele Army Depot South | Stockton | 2.0k | Penalties |
| Timpie Salt Processing Plant | Grantsville | 22 | Compliant |
| Hunter Panels Llc | Tooele | 10 | Compliant |
| Clean Harbors Clive, Llc | Clive | 3 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| U.s. Magnesium Plant | Tooele | $1.2M | 2025-09-24 |
| Morton Salt Inc | Grantsville | $0 | 2025-03-27 |