Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
DETYENS SHIPYARD INC. CHARLESTON
Quick Summary
- •Released 39,659 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 $25,000 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
1670 DRYDOCK AVE BLDG 236
NORTH CHARLESTON, SC 29405
View on map ↗ - County
- CHARLESTON County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 336611
- Inspections
- 9 · last Jul 10, 2025
- Total Penalties
- $25,000 · last Nov 7, 2024
- Registry ID
- 110001139857
How This Compares
#83
of 540 TRI reporters in SC
#1,920
of 16,877 TRI reporters in Manufacturing
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
3
Hazardous Waste (RCRA)
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.
Emissions Trend (2015–2024)
-30% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 44,311 | — |
| 2016 | 61,770 | +39% |
| 2017 | 39,659 | -36% |
| 2018 | 32,697 | -18% |
| 2019 | 27,458 | -16% |
| 2020 | 11,515 | -58% |
| 2021 | 18,871 | +64% |
| 2022 | 24,108 | +28% |
| 2023 | 30,589 | +27% |
| 2024 | 31,078 | +2% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 22,113 | 22,113 | — | — | 8,647 | |
| Ethylbenzene | 7,246 | 7,246 | — | — | 2,833 | ♦ Carcinogen |
| Zinc compounds | 909 | 274 | 635 | — | 7,140 | |
| Copper | 810 | 477 | 333 | — | 12,425 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 29,284 | 29,284 | — | — | 5,876 | |
| Copper | 901 | 840 | 61 | — | 11,230 | |
| Zinc compounds | 404 | 404 | — | — | 5,403 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 23,452 | 23,452 | — | — | 4,348 | |
| Zinc compounds | 348 | 348 | — | — | 4,296 | |
| Copper | 308 | 308 | — | — | 3,806 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 17,497 | 17,497 | — | — | 3,303 | |
| Zinc compounds | 768 | 198 | 570 | — | 2,488 | |
| Copper | 606 | 476 | 130 | — | 5,992 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 10,954 | 10,954 | — | — | 2,726 | |
| Copper | 374 | 374 | — | — | 6,205 | |
| Zinc compounds | 187 | 187 | — | — | 3,095 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 25,954 | 25,954 | — | — | 5,826 | |
| Copper | 779 | 566 | 213 | — | 8,470 | |
| Zinc compounds | 725 | 271 | 454 | — | 4,057 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 20,267 | 20,267 | — | — | 4,293 | |
| Ethylbenzene | 7,377 | 7,377 | — | — | 1,562 | ♦ Carcinogen |
| Zinc compounds | 2,957 | 179 | 2,778 | — | 2,529 | |
| Copper | 2,097 | 446 | 1,651 | — | 6,304 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 28,527 | 28,527 | — | — | 7,733 | |
| Ethylbenzene | 10,151 | 10,151 | — | — | 2,749 | ♦ Carcinogen |
| Copper | 629 | 555 | 74 | — | 10,045 | |
| Zinc compounds | 353 | 266 | 87 | — | 4,809 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 44,102 | 44,102 | — | — | 9,538 | |
| Ethylbenzene | 15,943 | 15,943 | — | — | 3,477 | ♦ Carcinogen |
| Copper | 939 | 689 | 250 | — | 9,936 | |
| Zinc compounds | 786 | 536 | 250 | — | 6,360 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | 31,650 | 31,650 | — | — | 5,270 | |
| Ethylbenzene | 10,303 | 10,303 | — | — | 1,757 | ♦ Carcinogen |
| Copper | 1,381 | 1,131 | 250 | — | 12,543 | |
| Zinc compounds | 977 | 727 | 250 | — | 6,950 |
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.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|
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 |
|---|---|---|---|---|---|
|
AES ENVIRONMENTAL, LLC
CALVERT CITY, KY
|
Copper | 80 | — | — | — |
|
GIANT RESOURCE RECOVERY SUMTER INC
SUMTER, SC
|
Copper | 3,236 | — | — | — |
|
OAKRIDGE LANDFILL
DORCHESTER, SC
|
Copper | 155 | — | — | — |
|
UNIVAR SOLUTIONS USA INC.
CHARLOTTE, NC
|
Copper | 8,955 | — | — | — |
|
AES ENVIRONMENTAL, LLC
CALVERT CITY, KY
|
Xylene (mixed isomers) | 55 | — | — | — |
|
OAKRIDGE LANDFILL
DORCHESTER, SC
|
Xylene (mixed isomers) | 108 | — | — | — |
|
GIANT RESOURCE RECOVERY SUMTER INC
SUMTER, SC
|
Xylene (mixed isomers) | 2,252 | — | — | — |
|
UNIVAR SOLUTIONS USA INC.
CHARLOTTE, NC
|
Xylene (mixed isomers) | 6,232 | — | — | — |
|
AES ENVIRONMENTAL, LLC
CALVERT CITY, KY
|
Zinc compounds | 46 | — | — | — |
|
GIANT RESOURCE RECOVERY SUMTER INC
SUMTER, SC
|
Zinc compounds | 1,860 | — | — | — |
|
UNIVAR SOLUTIONS USA INC.
CHARLOTTE, NC
|
Zinc compounds | 5,146 | — | — | — |
|
OAKRIDGE LANDFILL
DORCHESTER, SC
|
Zinc compounds | 89 | — | — | — |
|
AES ENVIRONMENTAL, LLC
CALVERT CITY, KY
|
Ethylbenzene | 18 | — | — | — |
|
GIANT RESOURCE RECOVERY SUMTER INC
SUMTER, SC
|
Ethylbenzene | 738 | — | — | — |
|
OAKRIDGE LANDFILL
DORCHESTER, SC
|
Ethylbenzene | 35 | — | — | — |
|
UNIVAR SOLUTIONS USA INC.
CHARLOTTE, NC
|
Ethylbenzene | 2,042 | — | — | — |
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 Generators of HW: Transboundary Movements of Hazardous Waste for Recovery or Disposal | Apr 8, 2024 | Nov 7, 2024 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Apr 8, 2024 | Nov 7, 2024 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Apr 8, 2024 | Nov 7, 2024 | Resolved |
| rcra | ID and Listing of HW: General | Apr 8, 2024 | Nov 7, 2024 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Apr 8, 2024 | Nov 7, 2024 | Resolved |
| rcra | Standards Applicable to Generators of HW: Preparedness. Prevention, and Emergency Procedures for LQGs | Apr 8, 2024 | Nov 7, 2024 | Resolved |
| rcra | Standards for Used Oil: Generators | Apr 8, 2024 | Nov 7, 2024 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 8, 2024 | Nov 7, 2024 | Resolved |
| rcra | Standards Applicable to Generators of HW: Transboundary Movements of Hazardous Waste for Recovery or Disposal | Sep 23, 2019 | Sep 30, 2019 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Sep 23, 2019 | Sep 23, 2019 | Resolved |
| caa | FRV | Aug 27, 2019 | — | Open |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Sep 25, 2014 | Feb 2, 2015 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Sep 2, 2009 | Mar 18, 2010 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Sep 2, 2009 | Mar 18, 2010 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Sep 2, 2009 | Mar 18, 2010 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention | Sep 2, 2009 | Mar 18, 2010 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 1, 2003 | — | Open |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jan 26, 1999 | Jan 26, 1999 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Jan 26, 1999 | Jan 26, 1999 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jan 26, 1999 | Aug 6, 1999 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 9, 1998 | Jul 21, 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 |
|---|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 100.00 mg/L | 20.00 | +400% | Mar 2018 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 34.50 mg/L | 20.00 | +73% | May 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 22.80 mg/L | 20.00 | +14% | Mar 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 50.30 mg/L | 40.00 | +26% | Nov 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 65.50 mg/L | 40.00 | +64% | Oct 2016 | 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.
RETURN TO COMPLIANCE LETTER
RCRA (Hazardous Waste)
· Case RCRA-SCR000002253-001 · Oct 1, 2024
Notice of Violation
Clean Air Act
· Case 3601954402 · Aug 27, 2019
State Administrative Order of Consent
Clean Water Act
· Case SC-N00006564 · Jul 21, 2003
$6,000
Administrative - Formal
· Case 04-2000-0781 · Aug 2, 2000
State Administrative Order of Consent
Clean Water Act
· Case SC-N00013720 · Mar 26, 1999
$3,000
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste)
· Case RCRA-SCR000002253-000 · Jun 4, 1998
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