San Joaquin County contains 336 EPA-regulated facilities, 19 of which are currently flagged for significant noncompliance. The county also hosts 4 Superfund sites and 40 TRI chemical reporters. EPA has assessed $20.6M in lifetime penalties and TRI reporters disclosed roughly 35.4k lb of on-site releases. That facility count is well above the California state average of 108 per county.
| Site | City | Status |
|---|---|---|
| Mccormick Baxter Creosoting Co | Stockton | Cleanup underway |
| Lawrence Livermore Natl Lab Site 300 Usdoe | Tracy | Cleanup underway |
| Sharpe Army Depot | Lathrop | Construction complete |
| Tracy Defense Depot Usarmy | Tracy | Construction complete |
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| California Natural Products | Lathrop | 14.4k | Compliant |
| J.r. Simplot Company | Lathrop | 10.4k | Sig. violation |
| Owens-Brockway Glass Container Tracy | Tracy | 5.8k | Sig. violation |
| The Wine Group, Inc. | Ripon | 2.3k | Compliant |
| Tesoro Stockton Terminal | Stockton | 1.1k | Penalties |
| Us Doe Llnl Experimental Test Site 300 | Tracy | 813 | Compliant |
| Leprino Foods Company, Tracy, Ca. Plant | Tracy | 255 | Penalties |
| Concrete Inc | Stockton | 83 | Compliant |
| Valimet, Inc | Stockton | 71 | Compliant |
| Hogan Manufacturing, Inc | Escalon | 51 | Compliant |
| Schuff Steel Company | Stockton | 44 | Compliant |
| Stockton Steel | Stockton | 29 | Sig. violation |
| H J Baker & Bros Inc | Stockton | 11 | Compliant |
| Woodbridge Winery | Acampo | 5 | Sig. violation |
| Tesla Motors Cnc Machining Shop | Lathrop | 4 | Compliant |
| Kents Oil Service | Stockton | 3 | Compliant |
| Leggett & Platt Urethane Div Branch 6014 | Tracy | 2 | Compliant |
| Oldcastle Infastructure | Stockton | 1 | Compliant |
| Hogan Manufacturing | Escalon | 1 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Owens-Brockway Glass Container Tracy | Tracy | $4.3M | 2025-06-04 |
| J.r. Simplot Company | Lathrop | $479.2k | 2024-12-09 |
| Regional Wastewater Control Facility | Stockton | $337.5k | 2025-12-19 |
| Woodbridge Winery | Acampo | $183.0k | 2025-04-28 |
| North County Sanitary Landfill | Lodi | $105.5k | 2025-04-16 |
| Pelican Renewables, Llc | Stockton | $70.5k | 2025-09-04 |
| Barrel Ten Quarter Circle | Escalon | $53.0k | 2025-02-25 |
| Simpson Strong Tie Corp | Stockton | $30.0k | 2025-04-16 |
| Spx Cooling Technologies | Stockton | $24.0k | 2013-06-27 |
| Ameresco San Joaquin Llc | Linden | $23.0k | 2025-04-16 |
| Barbosa Cabinets | Tracy | $15.9k | 2025-08-19 |
| Forward, Inc. Composting Facility | Manteca | $10.0k | 2026-03-12 |
| Holz Rubber Company, Inc | Lodi | $3.1k | 2026-02-13 |
| American Modular Systems | Manteca | $2.0k | 2025-10-27 |
| Michael David Winery | Lodi | $1.3k | 2026-03-03 |
| Metal Finishing Solutions, Inc. | Stockton | $0 | 2024-09-17 |
| Stockton Steel | Stockton | $0 | 2026-02-12 |
| Advanced Industrial Coatings | Stockton | $0 | 2025-04-22 |
| Pilkington North America Incorporated | Lathrop | $0 | 2013-03-12 |