NORTH AMERICAN SHIPBUILDING LLC - LAROSE SHIPYARD
Quick Summary
- •Released 7,873 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
800 INDUSTRIAL PARK ROAD
LAROSE, LA 70373
View on map ↗ - County
- LAFOURCHE County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 336611
- Inspections
- 3 · last Aug 30, 2024
- Total Penalties
- $0 · last Sep 24, 2014
- Registry ID
- 110000846648
How This Compares
Ranked by most recent year's total TRI releases.
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.
Qtrs Non-Compliant
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 20,213 | — |
| 2016 | 6,839 | -66% |
| 2017 | 7,873 | +15% |
| 2018 | 8,503 | +8% |
| 2019 | 3 | -100% |
| 2020 | 7,587 | +284076% |
| 2021 | 24 | -100% |
| 2022 | 29,745 | +122106% |
| 2023 | 15,272 | -49% |
| 2024 | 10,972 | -28% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 10,952 | 10,952 | — | — | — | |
| Manganese | 16 | 16 | — | — | 1,010 | |
| Chromium | 2 | 2 | — | — | 4,028 | |
| Copper | 1 | 1 | — | — | 116 | |
| Nickel | 0 | 0 | — | — | 504 | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 15,190 | 15,190 | — | — | — | |
| Manganese | 58 | 58 | — | — | 1,850 | |
| Copper | 18 | 18 | — | — | 212 | |
| Chromium | 4 | 4 | — | — | 7,382 | |
| Nickel | 1 | 1 | — | — | 923 | ♦ Carcinogen |
| Zinc (fume or dust) | 0 | 0 | — | — | 1,844 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 17,439 | 17,439 | — | — | 822 | |
| n-Butyl alcohol | 11,995 | 11,995 | — | — | 756 | |
| Zinc compounds | 267 | 267 | — | — | 26,949 | |
| Manganese | 33 | 33 | — | — | 1,157 | |
| Chromium | 6 | 6 | — | — | 4,607 | |
| Lead | 2 | 2 | — | — | 2 | ♦ Carcinogen |
| Nickel | 2 | 2 | — | — | 576 | ♦ Carcinogen |
| Copper | 1 | 1 | — | — | 132 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 7,374 | 7,374 | — | — | — | |
| Zinc compounds | 149 | 149 | — | — | 21,946 | |
| Manganese | 50 | 50 | — | — | 2,161 | |
| Chromium | 7 | 7 | — | — | 8,600 | |
| Copper | 3 | 3 | — | — | 247 | |
| Lead | 2 | 2 | — | — | 3 | ♦ Carcinogen |
| Nickel | 2 | 2 | — | — | 1,076 | ♦ Carcinogen |
| Zinc (fume or dust) | 0 | 0 | — | — | 2,148 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chromium | 3 | 3 | — | — | 7,267 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 8,469 | 8,469 | — | — | 7,013 | |
| Manganese | 29 | 29 | — | — | 433 | |
| Copper | 3 | 3 | — | — | — | |
| Chromium | 3 | 3 | — | — | 1,696 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nickel | — | — | — | — | 609 | ♦ Carcinogen |
| Xylene (mixed isomers) | 7,508 | 7,508 | — | — | 6,248 | |
| Zinc compounds | 269 | 269 | — | — | 145,804 | |
| Manganese | 79 | 79 | — | — | 1,226 | |
| Chromium | 8 | 8 | — | — | 4,867 | |
| Copper | 6 | 6 | — | — | 1,259 | |
| Lead | 3 | 3 | — | — | 3 | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Nickel | — | — | — | — | 255 | ♦ Carcinogen |
| Lead | — | — | — | — | 192 | ♦ Carcinogen |
| Xylene (mixed isomers) | 6,744 | 6,744 | — | — | 4,461 | |
| Manganese | 68 | 68 | — | — | 1,022 | |
| Copper | 26 | 26 | — | — | 1,974 | |
| Chromium | 1 | 1 | — | — | 1,530 | |
| Zinc (fume or dust) | 0 | 0 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | — | — | — | — | 264 | ♦ Carcinogen |
| Zinc (fume or dust) | — | — | — | — | — | |
| Nickel | — | — | — | — | 2,624 | ♦ Carcinogen |
| Xylene (mixed isomers) | 19,678 | 19,678 | — | — | 535 | |
| Zinc compounds | 384 | 384 | — | — | 717 | |
| Manganese | 109 | 109 | — | — | 5,951 | |
| Copper | 41 | 41 | — | — | 796 | |
| Chromium | 1 | 1 | — | — | 20,285 |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
SOUTHERN RECYCLING
HOUMA, LA
|
Manganese | — | 1,010 | — | — |
|
SOUTHERN RECYCLING
HOUMA, LA
|
Nickel | — | 504 | — | — |
|
SOUTHERN RECYCLING
HOUMA, LA
|
Chromium | — | 4,028 | — | — |
|
SOUTHERN RECYCLING
HOUMA, LA
|
Copper | — | 116 | — | — |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Apr 2, 2012 | Apr 18, 2012 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Mar 17, 2010 | Apr 22, 2012 | Resolved |
| rcra | Standards for Used Oil: Generators | Mar 17, 2010 | Apr 22, 2012 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Mar 17, 2010 | Apr 22, 2012 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Mar 17, 2010 | Apr 2, 2012 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jun 13, 2007 | Aug 1, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Jun 13, 2007 | Oct 29, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 13, 2007 | Jun 8, 2009 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jun 13, 2007 | Jun 8, 2009 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jun 13, 2007 | Jun 20, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Dec 11, 1996 | Feb 11, 1998 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Dec 1, 1995 | Sep 26, 1996 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Dec 1, 1995 | Sep 26, 1996 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Dec 1, 1995 | Feb 20, 1998 | Resolved |
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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.50 mg/L | 30.00 | +35% | Aug 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.00 mg/L | 45.00 | +4% | Aug 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.00 mg/L | 45.00 | +13% | Jul 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 82.00 mg/L | 45.00 | +82% | Feb 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 73.00 mg/L | 30.00 | +143% | Feb 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.00 mg/L | 45.00 | +51% | Jan 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 55.00 mg/L | 30.00 | +83% | Jan 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 61.00 mg/L | 45.00 | +36% | Nov 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 42.00 mg/L | 30.00 | +40% | Nov 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 52.00 mg/L | 45.00 | +16% | Aug 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.00 mg/L | 30.00 | +57% | Jul 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 96.00 mg/L | 45.00 | +113% | Jul 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 66.00 mg/L | 45.00 | +47% | Mar 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 32.00 mg/L | 30.00 | +7% | Mar 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 88.00 mg/L | 45.00 | +96% | Feb 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 44.00 mg/L | 30.00 | +47% | Feb 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 49.00 mg/L | 45.00 | +9% | Jan 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.00 mg/L | 30.00 | +10% | Jan 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 21.50 mg/L | 20.00 | +8% | Jan 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 46.00 mg/L | 45.00 | +2% | Aug 2017 | Open |
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.