[EPAPulse](/v/epapulse) / compare

# THE DOW CHEMICAL CO - LOUISIANA OPERATIONS vs DENKA PERFORMANCE ELASTOMER LLC: EPAPulse comparison

**THE DOW CHEMICAL CO - LOUISIANA OPERATIONS's penalties of 1,138,150 is 1.1x DENKA PERFORMANCE ELASTOMER LLC's 996,703 (96th percentile). THE DOW CHEMICAL CO - LOUISIANA OPERATIONS is dated 2025-12-09; DENKA PERFORMANCE ELASTOMER LLC 2026-02-23.**

Data as of 2026-11-05 · [Compiled by Zalwin](/research/epapulse) from U.S. EPA ECHO (Enforcement and Compliance History Online) Copy citation

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## How does THE DOW CHEMICAL CO - LOUISIANA OPERATIONS compare to DENKA PERFORMANCE ELASTOMER LLC?

| Field | THE DOW CHEMICAL CO - LOUISIANA OPERATIONS | DENKA PERFORMANCE ELASTOMER LLC |
|---|---|---|
| Facility | THE DOW CHEMICAL CO - LOUISIANA OPERATIONS | DENKA PERFORMANCE ELASTOMER LLC |
| EPA Registry ID | 110001244724 | 110067396669 |
| Address | 21255 LA-1, PLAQUEMINE, LA, 70765 | 560 HIGHWAY 44, LAPLACE, LA, 70068 |
| County | IBERVILLE PARISH | ST. JOHN THE BAPTIST |
| 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 | 325212: Synthetic Rubber Manufacturing |
| 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 | 2822: Synthetic Rubber, 2869: Industrial Organic Chemicals |
| Overall compliance status | Significant Violation | Significant Violation |
| Significant noncomplier | Yes | Yes |
| Quarters in noncompliance (last 12) | 12 | 12 |
| Clean Water Act | No Violation Identified | Violation Identified |
| Clean Air Act | No Violation Identified | No Violation Identified |
| RCRA | Significant Noncomplier | Significant Noncomplier |
| Formal enforcement actions (5 years) | 9 | 4 |
| Total penalties | $1,138,150 | $996,703 |
| Last penalty | 08/26/2026 | 12/04/2000 |
| Inspections (5 years) | 11 | 11 |
| Last inspection | 2025-12-09 | 2026-02-23 |
| Watershed | Lower Grand | Lake Maurepas |
| amount percentile | 96th | 96th |
| Remediation Urgency Score | 93/100 | 100/100 |
| Peer rank and all 148 LA records (CSV) | Every comparable record ranked, with amounts, dates and scores 🔒 Click to unlock → |
| Official source URLs for every peer record | Direct links to each record at its government source 🔒 Click to unlock → |

Official records: [THE DOW CHEMICAL CO - LOUISIANA OPERATIONS](https://echo.epa.gov/detailed-facility-report?fid=110001244724) · [DENKA PERFORMANCE ELASTOMER LLC](https://echo.epa.gov/detailed-facility-report?fid=110067396669)

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