Non-Compliance
Clean Air Act
Clean Water Act
COASTAL MARINE CONTRACTORS LLC (CMC) - MAIN YARD - SHIP & BARGE REPAIR FACILITY
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $500 in total penalties since records began.
- Address
-
330 BAYOU LIBERTY RD
SLIDELL, LA 70458
View on map ↗ - County
- ST. TAMMANY County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 211111
- Total Penalties
- $500 · last Apr 6, 2023
- Registry ID
- 110043297143
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
7
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 19.00 mg/L | 10.00 | +90% | Dec 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 32.00 mg/L | 15.00 | +113% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 61.00 mg/L | 10.00 | +510% | Jun 2025 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 61.00 mg/L | 20.00 | +205% | Jun 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 32.00 mg/L | 10.00 | +220% | Jun 2025 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 26.00 mg/L | 15.00 | +73% | Dec 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 39.00 mg/L | 20.00 | +95% | Dec 2024 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 39.00 mg/L | 10.00 | +290% | Dec 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 26.00 mg/L | 10.00 | +160% | Dec 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 0.10 mg/L | 5.00 | +98% | Dec 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 24.00 mg/L | 10.00 | +140% | Jun 2024 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 0.40 mg/L | 5.00 | +92% | Jun 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 24.00 mg/L | 15.00 | +60% | Jun 2024 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 62.00 mg/L | 10.00 | +520% | Dec 2023 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 62.00 mg/L | 15.00 | +313% | Dec 2023 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 17.00 mg/L | 15.00 | +13% | Dec 2022 | Open |
| Oil & Grease | DMR, Limited - Overdue | 17.00 mg/L | 15.00 | +13% | Dec 2022 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
Administrative - Formal
· Case 06-2023-4501 · Apr 6, 2023
$500
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