CENTURY ALUMINUM SEBREE LLC
Quick Summary
- •Released 662,620 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 $6,000 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
9404 KY 2096
ROBARDS, KY 42452
View on map ↗ - County
- HENDERSON County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 331313
- Inspections
- 11 · last Feb 17, 2026
- Total Penalties
- $6,000 · last Jan 6, 2023
- Registry ID
- 110038162118
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 | 598,372 | — |
| 2016 | 656,298 | +10% |
| 2017 | 662,620 | +1% |
| 2018 | 584,732 | -12% |
| 2020 | 600,372 | — |
| 2021 | 537,241 | -11% |
| 2022 | 540,607 | +1% |
| 2023 | 573,425 | +6% |
| 2024 | 509,495 | -11% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Carbonyl sulfide | 263,307 | 263,307 | — | — | — | |
| Hydrogen fluoride | 130,682 | 130,682 | — | — | — | |
| Naphthalene | 91,678 | 91,678 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 17,484 | 17,484 | — | — | — | ♦ Carcinogen |
| Manganese compounds | 4,829 | 4,660 | 138 | 31 | 1,513 | |
| Nickel compounds | 946 | 919 | 27 | 0 | 136 | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 327 | 327 | — | — | — | |
| Lead compounds | 229 | 223 | 6 | 0 | — | |
| Copper | 12 | 1 | 11 | 0 | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Carbonyl sulfide | 283,870 | 283,870 | — | — | — | |
| Hydrogen fluoride | 174,198 | 174,198 | — | — | — | |
| Naphthalene | 90,433 | 90,433 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 17,772 | 17,772 | — | — | — | ♦ Carcinogen |
| Manganese compounds | 4,745 | 4,616 | 98 | 31 | 1,815 | |
| Nickel compounds | 930 | 911 | 19 | 0 | 163 | ♦ Carcinogen |
| Chromium | 920 | 916 | 4 | 0 | 435 | |
| Benzo[g,h,i]perylene | 322 | 322 | — | — | — | |
| Lead compounds | 226 | 221 | 4 | 0 | — | |
| Copper | 9 | 1 | 8 | 0 | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Carbonyl sulfide | 275,632 | 275,632 | — | — | — | |
| Hydrogen fluoride | 154,851 | 154,851 | — | — | — | |
| Naphthalene | 85,202 | 85,202 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 17,727 | 17,727 | — | — | — | ♦ Carcinogen |
| Manganese compounds | 4,789 | 4,650 | 109 | 31 | 2,100 | |
| Nickel compounds | 939 | 918 | 21 | 0 | 189 | ♦ Carcinogen |
| Chromium | 927 | 922 | 5 | 0 | 504 | |
| Benzo[g,h,i]perylene | 302 | 302 | — | — | — | |
| Lead compounds | 228 | 223 | 5 | 0 | — | |
| Copper | 10 | 1 | 9 | 0 | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Carbonyl sulfide | 241,879 | 241,879 | — | — | — | |
| Hydrogen fluoride | 208,695 | 208,695 | — | — | — | |
| Naphthalene | 66,553 | 66,553 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 14,116 | 14,116 | — | — | — | ♦ Carcinogen |
| Manganese compounds | 4,620 | 4,491 | 100 | 30 | 2,282 | |
| Nickel compounds | 906 | 887 | 20 | 0 | 205 | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 242 | 242 | — | — | — | |
| Lead compounds | 220 | 215 | 4 | 0 | — | |
| Copper | 9 | 1 | 8 | 0 | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Carbonyl sulfide | 255,556 | 255,556 | — | — | — | |
| Hydrogen fluoride | 223,932 | 223,932 | — | — | — | |
| Polycyclic aromatic compounds | 73,556 | 73,556 | — | — | — | ♦ Carcinogen |
| Naphthalene | 29,285 | 29,285 | — | — | — | ♦ Carcinogen |
| Phenanthrene | 7,838 | 7,838 | — | — | — | |
| Benzo[g,h,i]perylene | 4,565 | 4,565 | — | — | — | |
| Manganese compounds | 4,525 | 4,367 | 129 | 29 | 2,103 | |
| Nickel compounds | 888 | 862 | 25 | 0 | 189 | ♦ Carcinogen |
| Lead compounds | 215 | 209 | 6 | 0 | — | |
| Copper | 12 | 1 | 10 | 0 | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Carbonyl sulfide | 251,119 | 251,119 | — | — | — | |
| Hydrogen fluoride | 213,180 | 213,180 | — | — | — | |
| Polycyclic aromatic compounds | 73,392 | 73,392 | — | — | — | ♦ Carcinogen |
| Naphthalene | 29,224 | 29,224 | — | — | — | ♦ Carcinogen |
| Phenanthrene | 7,625 | 7,625 | — | — | — | |
| Benzo[g,h,i]perylene | 4,550 | 4,550 | — | — | — | |
| Manganese compounds | 4,527 | 4,358 | 141 | 29 | 2,227 | |
| Nickel compounds | 887 | 860 | 28 | 0 | 200 | ♦ Carcinogen |
| Lead compounds | 215 | 209 | 6 | 0 | — | |
| Copper | 12 | 1 | 11 | 0 | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Carbonyl sulfide | 310,467 | 310,467 | — | — | — | |
| Hydrogen fluoride | 220,715 | 220,715 | — | — | — | |
| Polycyclic aromatic compounds | 80,028 | 80,028 | — | — | — | ♦ Carcinogen |
| Naphthalene | 31,863 | 31,863 | — | — | — | ♦ Carcinogen |
| Phenanthrene | 8,525 | 8,525 | — | — | — | |
| Benzo[g,h,i]perylene | 4,966 | 4,966 | — | — | — | |
| Manganese compounds | 4,864 | 4,752 | 84 | 29 | 1,994 | |
| Nickel compounds | 954 | 937 | 16 | 0 | 180 | ♦ Carcinogen |
| Lead compounds | 232 | 228 | 4 | 0 | — | |
| Copper | 8 | 1 | 7 | 0 | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Carbonyl sulfide | 310,623 | 310,623 | — | — | — | |
| Hydrogen fluoride | 216,722 | 216,722 | — | — | — | |
| Polycyclic aromatic compounds | 78,498 | 78,498 | — | — | — | ♦ Carcinogen |
| Naphthalene | 31,255 | 31,255 | — | — | — | ♦ Carcinogen |
| Phenanthrene | 8,308 | 8,308 | — | — | — | |
| Benzo[g,h,i]perylene | 4,870 | 4,870 | — | — | — | |
| Manganese compounds | 4,831 | 4,661 | 142 | 29 | 2,886 | |
| Nickel compounds | 948 | 920 | 28 | 0 | 260 | ♦ Carcinogen |
| Lead compounds | 230 | 223 | 6 | 0 | — | |
| Copper | 12 | 1 | 11 | 0 | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Carbonyl sulfide | 301,430 | 301,430 | — | — | — | |
| Hydrogen fluoride | 167,945 | 167,945 | — | — | — | |
| Polycyclic aromatic compounds | 78,560 | 78,560 | — | — | — | ♦ Carcinogen |
| Naphthalene | 31,284 | 31,284 | — | — | — | ♦ Carcinogen |
| Phenanthrene | 8,252 | 8,252 | — | — | — | |
| Benzo[g,h,i]perylene | 4,871 | 4,871 | — | — | — | |
| Manganese compounds | 4,838 | 4,665 | 145 | 28 | 5,357 | |
| Nickel compounds | 950 | 921 | 28 | 0 | 482 | ♦ Carcinogen |
| Lead compounds | 230 | 223 | 6 | 0 | — | |
| Copper | 13 | 1 | 12 | 0 | — |
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 |
|---|---|---|---|---|
| Naphthalene | — | 2,035,395 | — | — |
| Nickel compounds | — | 1,182,845 | — | — |
| Benzo[g,h,i]perylene | — | 5,024 | — | — |
| Hydrogen fluoride | — | 227,173 | — | — |
| Manganese compounds | — | 10,546 | — | — |
| Lead compounds | — | 5,185 | — | — |
| Polycyclic aromatic compounds | — | 146,841 | — | — |
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 |
|---|---|---|---|---|---|
|
SCEPTER INCORPORATED BICKNELL OPERATIONS
BICKNELL, IN
|
Manganese compounds | — | 1,513 | — | — |
|
SCEPTER INCORPORATED BICKNELL OPERATIONS
BICKNELL, IN
|
Nickel compounds | — | 136 | — | — |
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 |
|---|---|---|---|---|
| caa | FRV | Aug 7, 2025 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 23, 2023 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Mar 23, 2023 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Dec 2, 2021 | Mar 9, 2022 | Resolved |
| rcra | Standards Applicable to Generators of HW: Preparedness. Prevention, and Emergency Procedures for LQGs | Dec 2, 2021 | Dec 2, 2021 | Resolved |
| rcra | Standards for Used Oil: Generators | Dec 2, 2021 | Dec 2, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: Preparedness. Prevention, and Emergency Procedures for LQGs | Dec 1, 2021 | Sep 20, 2022 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Dec 1, 2021 | Mar 9, 2022 | Resolved |
| rcra | Standards for Used Oil: Generators | Dec 1, 2021 | Mar 9, 2022 | Resolved |
| rcra | Standards Applicable to Generators of HW: Preparedness. Prevention, and Emergency Procedures for LQGs | Jul 7, 2020 | Aug 13, 2020 | Resolved |
| rcra | Standards Applicable to Generators of HW: Preparedness. Prevention, and Emergency Procedures for LQGs | Jul 6, 2020 | Aug 13, 2020 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 6, 2020 | Jul 7, 2020 | Resolved |
| rcra | Standards for Used Oil: Generators | Jul 6, 2020 | Jul 6, 2020 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Jul 6, 2020 | Jul 6, 2020 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Sep 8, 2016 | Sep 8, 2016 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jul 23, 2014 | Jul 23, 2014 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Jul 23, 2014 | Sep 29, 2015 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention | Jul 23, 2014 | Jul 23, 2014 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Jul 23, 2014 | Aug 25, 2014 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Jul 23, 2014 | Aug 8, 2014 | Resolved |
| rcra | Standards for Used Oil: Generators | Jul 23, 2014 | Jul 23, 2014 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jul 23, 2014 | Sep 29, 2015 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Jul 23, 2014 | Sep 29, 2015 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jul 23, 2014 | Aug 7, 2014 | Resolved |
| cwa | Schedule Event unachieved and not reported | Dec 15, 2010 | Mar 16, 2011 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Aug 18, 2009 | Nov 23, 2009 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Aug 18, 2009 | Nov 23, 2009 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 18, 2009 | Nov 23, 2009 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Aug 18, 2009 | Nov 23, 2009 | Resolved |
| rcra | Standards for Used Oil: Generators | Aug 18, 2009 | Nov 23, 2009 | Resolved |
| rcra | Land Disposal Restrictions: General | Mar 10, 2003 | Apr 4, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Feb 22, 2000 | Mar 9, 2000 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Feb 22, 2000 | Mar 9, 2000 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Financial Requirements | Apr 20, 1999 | May 24, 1999 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 20, 1998 | May 20, 1998 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 25, 1997 | Jul 8, 1997 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Feb 1, 1995 | Mar 28, 1996 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Mar 14, 1994 | Aug 12, 1994 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Mar 14, 1994 | May 16, 1994 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Oct 23, 1992 | Dec 14, 1992 | Resolved |
| rcra | Land Disposal Restrictions: General | Oct 23, 1992 | Dec 7, 1992 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Oct 23, 1992 | Mar 3, 1993 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 29, 1992 | Oct 23, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Apr 29, 1992 | Oct 23, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Jul 10, 1991 | Apr 29, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Jul 10, 1991 | Apr 29, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Waste Piles | Jul 10, 1991 | Feb 1, 1995 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Jul 10, 1991 | Apr 29, 1992 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jul 10, 1991 | May 16, 1992 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Jul 10, 1991 | Apr 29, 1992 | 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 | 49.15 mg/L | 30.00 | +64% | Jan 2023 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 8.48 mg/L | 4.00 | +112% | Jan 2023 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 7.16 mg/L | 4.00 | +79% | Sep 2022 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 5.52 mg/L | 4.00 | +38% | Jul 2022 | Open |
| Iron, total recoverable | DMR, Limited - Overdue | 4.48 mg/L | 4.00 | +12% | May 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.50 mg/L | 30.00 | +15% | May 2022 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 34.50 mg/L | 30.00 | +15% | May 2022 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 4.48 mg/L | 4.00 | +12% | May 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.60 mg/L | 30.00 | +2% | Apr 2022 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 7.64 mg/L | 4.00 | +91% | Mar 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 46.30 mg/L | 30.00 | +54% | Mar 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 43.53 mg/L | 30.00 | +45% | Dec 2021 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 116.00 mg/L | 50.00 | +132% | Dec 2021 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 5.64 mg/L | 4.00 | +41% | Nov 2021 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 4.51 mg/L | 4.00 | +13% | Oct 2021 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +64% | Jul 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.60 mg/L | 50.00 | +3% | Dec 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.40 mg/L | 30.00 | +5% | Oct 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.05 mg/L | 30.00 | +14% | Sep 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 54.90 mg/L | 50.00 | +10% | Feb 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 53.40 mg/L | 50.00 | +7% | Jan 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 52.00 mg/L | 50.00 | +4% | Dec 2018 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 5.74 mg/L | 4.00 | +44% | Nov 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 62.50 mg/L | 50.00 | +25% | Nov 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.82 mg/L | 30.00 | +6% | Apr 2018 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 5.74 mg/L | 4.00 | +44% | Apr 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 69.80 mg/L | 50.00 | +40% | Apr 2018 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 4.85 mg/L | 4.00 | +21% | May 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 58.40 mg/L | 50.00 | +17% | Mar 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 58.00 mg/L | 50.00 | +16% | Mar 2017 | Open |
| Oil and grease | DMR, Limited - Numeric Violation | 16.00 mg/L | 15.00 | +7% | May 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 35.00 mg/L | 30.00 | +17% | Apr 2016 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 52.00 mg/L | 50.00 | +4% | Oct 2015 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 52.00 mg/L | 50.00 | +4% | Oct 2015 | 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.