# THE DOW CHEMICAL CO - LOUISIANA OPERATIONS, PLAQUEMINE LA: EPA ECHO compliance status: Significant Violation

**Remediation Urgency Score:** 93/100

| Field | Value |
|---|---|
| Facility | THE DOW CHEMICAL CO - LOUISIANA OPERATIONS |
| EPA Registry ID | 110001244724 |
| Address | 21255 LA-1, PLAQUEMINE, LA, 70765 |
| County | IBERVILLE PARISH |
| Industry (NAICS) | 211111: Crude Petroleum and Natural Gas Extraction , 221112: Fossil Fuel Electric Power Generation , 221119: Other Electric Power Generation, 325180: Other Basic Inorganic Chemical Manufacturing , 325199: All Other Basic Organic Chemical Manufacturing , 486990: All Other Pipeline Transportation |
| SIC | 1321: Natural Gas Liquids, 2791: Typesetting, 2796: Platemaking Services, 2812: Alkalies And Chlorine, 2819: Industrial Inorganic Chemicals, 2821: Plastics Materials And Resins, 2831: Biological Products(1977), 2869: Industrial Organic Chemicals, 4619: Pipelines, 4911: Electric Services, 4931: Electric And Other Services Combined, 4952: Sewerage Systems, 9999: Nonclassifiable Establishments |
| Overall compliance status | Significant Violation |
| Significant noncomplier | Yes |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | No Violation Identified |
| Clean Air Act | No Violation Identified |
| RCRA | Significant Noncomplier |
| Formal enforcement actions (5 years) | 9 |
| Total penalties | $1,138,150 |
| Last penalty | 08/26/2026 |
| Inspections (5 years) | 11 |
| Last inspection | 2025-12-09 |
| Watershed | Lower Grand |

## Why this score
- Flagged as a significant noncomplier, the highest EPA priority tier.
- 12 of the last 12 quarters in noncompliance.
- Current violation under RCRA.
- 9 formal enforcement action(s) in 5 years.
- $1,138,150 in penalties: remediation has a clear cost of inaction.
- Inspected within the last year (2025-12-09).

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110001244724). 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.