# HUNTSMAN PETROCHEMICAL CORP - C4 PLANT, PORT NECHES TX: EPA ECHO compliance status: Significant Violation

**Remediation Urgency Score:** 100/100

| Field | Value |
|---|---|
| Facility | HUNTSMAN PETROCHEMICAL CORP - C4 PLANT |
| EPA Registry ID | 110000599567 |
| Address | 2102 SPUR 136, PORT NECHES, TX, 77651 |
| County | JEFFERSON |
| Industry (NAICS) | 325110: Petrochemical Manufacturing, 325199: All Other Basic Organic Chemical Manufacturing , 424690: Other Chemical and Allied Products Merchant Wholesalers , 424710: Petroleum Bulk Stations and Terminals |
| SIC | 2813: Industrial Gases, 2822: Synthetic Rubber, 2869: Industrial Organic Chemicals |
| Overall compliance status | Significant Violation |
| Significant noncomplier | Yes |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | Violation Identified |
| Clean Air Act | Violation Addressed; EPA Has Lead Enforcement |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 11 |
| Total penalties | $13,995,518 |
| Last penalty | 05/19/2026 |
| Inspections (5 years) | 8 |
| Last inspection | 2026-07-22 |
| Watershed | Sabine Lake |

## Why this score
- Flagged as a significant noncomplier, the highest EPA priority tier.
- 12 of the last 12 quarters in noncompliance.
- Violations under 2 statutes (CWA, CAA): a multi-media problem.
- 11 formal enforcement action(s) in 5 years.
- $13,995,518 in penalties: remediation has a clear cost of inaction.
- Inspected within the last year (2026-07-22).

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110000599567). Last refreshed: 2026-11-03T18:05:36.266Z.
Compliance data comes from EPA ECHO and may lag state records; a violation flag is not a finding of wrongdoing. Informational only; not legal or engineering advice.