Clean Harbors Of Colfax LLC vs Northrop Grumman Systems Corporation - Promontory
Both: Open burning / detonation · Reactive waste (D003) · Storage · Treatment.
How they differ
- Facility type: Waste management firm vs Industrial site receiving off-site waste.
- Violation record (5 years): 1–5 violations vs 6–20 violations.
- Waste received, by EPA code class: both: Reactive waste (D003); only Clean Harbors Of Colfax LLC: Ignitable waste (D001), Toxic metals (D004–D011).
- Final penalties, last 5 years: 7,500 USD for Clean Harbors Of Colfax LLC vs 0 USD for Northrop Grumman Systems Corporation - Promontory.
- Formal enforcement actions, last 5 years: 1 for Clean Harbors Of Colfax LLC vs 0 for Northrop Grumman Systems Corporation - Promontory.
- Last on-site inspection: Sep 16, 2025 vs Apr 7, 2026.
- Significant noncomplier now: yes for Clean Harbors Of Colfax LLC only.
Side by side
| Clean Harbors Of Colfax LLC | Northrop Grumman Systems Corporation - Promontory | |
|---|---|---|
| Location | 3763 Highway 471, Colfax, Louisiana 71417 | 9160 North Highway 83, Brigham City, Utah 84302 |
| Facility type | Waste management firm | Industrial site receiving off-site waste |
| Off-site receipts (latest Biennial Report) | Under 1,000 tons in 2023 | Under 1,000 tons in 2023 |
| Violation record (5 years) | 1–5 violations | 6–20 violations |
| How received waste was managed | Open burning / detonation | Open burning / detonation |
| Waste received, by EPA code class | Reactive waste (D003), Toxic metals (D004–D011), Ignitable waste (D001) | Reactive waste (D003) |
| Permitted operating units | Open burning / detonation, Treatment, Storage | Open burning / detonation, Treatment, Storage |
| Final penalties, last 5 years | 7,500 USD | 0 USD |
| Formal enforcement actions, last 5 years | 1 | 0 |
| Last on-site inspection | Sep 16, 2025 | Apr 7, 2026 |
| Significant noncomplier now | Yes | No |
| EPA ID | LAD981055791 | UTD009081357 |
| Operator | Clean Harbors Of Colfax LLC | Northrop Grumman Systems Corporation |
| Waste received from off-site | 269.3 tons | 144.9 tons |
| Manifests received (e-Manifest, 12 months) | 157 | 60 |
| Tons received on those manifests | 17.8 tons | 311.6 tons |
| Shipping sites on those manifests | 116 | 1 |
| Latest manifested receipt | Jul 15, 2026 | Jul 14, 2026 |
| Inspections, last 5 years | 6 | 6 |
| Violations, last 5 years | 4 | 8 |
| Violations not yet returned to compliance | 14 | 0 |
| Of those, determined over 5 years ago | 13 | — |
| Violation areas (5 years) | Permits - General Information, TSD - Manifest/Records/Reporting, State Statute or Regulation, Permits - Conditions | TSD - General Facility Standards, Generators - General, Listing - General |
| Used oil activities | No | No |
| Transfer facility | No | No |
| Recycler | No | No |
| Primary NAICS | 562211 | 336414 |
| Why this facility type | Primary NAICS 562211 is in waste management and remediation services (562). | Primary NAICS 336414 is not a waste-management code (562), and the 2023 Biennial Report records 144.9 tons received from off-site. |
| Source record | U.S. EPA RCRAInfo, verified Oct 21, 2026 | U.S. EPA RCRAInfo, verified Oct 21, 2026 |
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