Union County contains 109 EPA-regulated facilities, 35 of which are currently flagged for significant noncompliance. The county also hosts 2 Superfund sites and 14 TRI chemical reporters. EPA has assessed $5.7M in lifetime penalties and TRI reporters disclosed roughly 7.1M lb of on-site releases. That facility count is well above the Arkansas state average of 43 per county.
| Site | City | Status |
|---|---|---|
| Macmillan Ring Free Oil | Norphlet | Listed on NPL |
| Popile Inc | El Dorado | Ready for anticipated reuse |
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Clean Harbors El Dorado Llc | El Dorado | 4.3M | Sig. violation |
| Lanxess Corp - Central Plant | El Dorado | 911.1k | Sig. violation |
| El Dorado Chemical Co | El Dorado | 786.2k | Penalties |
| El Dorado Refinery | El Dorado | 513.0k | Penalties |
| Great Lakes Chemical, South Plant | El Dorado | 407.8k | Sig. violation |
| Lycus Ltd. | El Dorado | 32.2k | Compliant |
| Anthony Forest Products Company, Llc -Urbana Mill | El Dorado | 27.0k | Penalties |
| Roseburg Forest Products Co. - El Dorado Mdf | El Dorado | 16.2k | Penalties |
| Dupont El Dorado | El Dorado | 10.0k | Penalties |
| Anthony Forest Products Company, Llc (Laminating Plant) | El Dorado | 695 | Compliant |
| Smackover Refinery | El Dorado | 149 | Penalties |
| Shaw El Dorado, Llc | El Dorado | 89 | Compliant |
| Amercable Inc | El Dorado | 5 | Penalties |