Collin County contains 157 EPA-regulated facilities, 6 of which are currently flagged for significant noncompliance. The county also hosts 0 Superfund sites and 32 TRI chemical reporters. EPA has assessed $7.5M in lifetime penalties and TRI reporters disclosed roughly 66.3k lb of on-site releases. That facility count is well above the Texas state average of 49 per county.
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Texas Instruments - Rfab | Richardson | 59.1k | Penalties |
| Atrium 930 Hensley Ln | Wylie | 2.8k | Compliant |
| Triquint Semiconductor Texas Lp | Richardson | 2.1k | Compliant |
| Encore Wire Limited Mckinney Facility | Mc Kinney | 794 | Compliant |
| Quadrant Performance Materials | Mckinney | 657 | Penalties |
| Carlisle Coating & Waterproofing | Wylie | 403 | Compliant |
| Reaction Technology Epi, Llc | Allen | 236 | Compliant |
| Holland Hitch | Wylie | 83 | Compliant |
| Mckinney Facility | Mckinney | 24 | Compliant |
| Watson & Chalin Manufacturing | Mckinney | 15 | Compliant |
| Fini Enterprises Incorporated | Celina | 13 | Compliant |
| Quikrete - Mckinney, Tx Plant | Mckinney | 1 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Safety Kleen Systems - Plano Facility | Plano | $0 | 2013-08-05 |
| City Of Farmersville 3 Wwtf | Farmersville | $0 | 2024-07-17 |
| Bear Creek Wwtp | Lavon | $0 | 2022-03-03 |
| Cambridge Meadows Wwtp | Mckinney | $0 | 2025-09-15 |
| North Farmersville Wsc | $0 | ||
| Hurricane Creek Regional Wwtp | Anna | $0 |