TRI Reporter
Clean Air Act
RCRA
NGK METALS CORP
Quick Summary
- •Released 46 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
917 US-11
SWEETWATER, TN 37874
View on map ↗ - County
- MONROE County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 331529
- Inspections
- 5 · last May 15, 2025
- Total Penalties
- $0 · last Sep 10, 2018
- Registry ID
- 110000590165
How This Compares
#403
of 554 TRI reporters in TN
#10,545
of 16,877 TRI reporters in Manufacturing
Ranked by most recent year's total TRI releases.
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)
-65% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 24 | — |
| 2016 | 24 | 0% |
| 2017 | 46 | +92% |
| 2018 | 24 | -48% |
| 2019 | 23 | -4% |
| 2020 | 24 | +4% |
| 2021 | 24 | 0% |
| 2022 | 24 | 0% |
| 2023 | 24 | 0% |
| 2024 | 8 | -65% |
2024
2023
2022
2021
2020
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper | 23 | 23 | — | — | 3,913 |
2018
2017
2016
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 |
|---|---|---|---|---|---|
|
CLEAN HARBORS LAPORTE
LA PORTE, TX
|
Beryllium | 1 | — | — | — |
|
MEADOW BRANCH LANDFILL
ATHENS, TN
|
Beryllium | 38 | — | — | — |
|
AQUA TREAT INC.
CHATTANOOGA, TN
|
Beryllium | 2 | — | — | — |
|
AQUA TREAT INC.
CHATTANOOGA, TN
|
Copper | 138 | — | — | — |
|
MEADOW BRANCH LANDFILL
ATHENS, TN
|
Copper | 2,196 | — | — | — |
|
CLEAN HARBORS LAPORTE
LA PORTE, TX
|
Copper | 35 | — | — | — |
Transfers to Publicly-Owned Treatment Works (POTWs)
Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.
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 | Linked to Viol. Below | — | — | Open |
| caa | HPV | Jun 28, 2018 | Oct 23, 2018 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | May 25, 2018 | Jul 24, 2018 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | May 25, 2018 | Jul 24, 2018 | Resolved |
| caa | HPV | Sep 14, 2017 | Feb 20, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | May 12, 2016 | Jun 21, 2016 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | May 12, 2016 | Jun 21, 2016 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Jun 7, 2012 | Jul 26, 2012 | Resolved |
| rcra | Standards for Used Oil: Generators | Feb 15, 2008 | Apr 1, 2008 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Feb 15, 2008 | Apr 1, 2008 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Feb 15, 2008 | Apr 1, 2008 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Feb 15, 2008 | Apr 1, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Mar 28, 2006 | Jun 8, 2006 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Dec 11, 2003 | Mar 10, 2004 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Dec 11, 2003 | Nov 16, 2005 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Dec 11, 2003 | Nov 16, 2005 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Dec 11, 2003 | Mar 10, 2004 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Tank Systems | Dec 11, 2003 | Nov 16, 2005 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Mar 1, 2002 | Apr 25, 2002 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Mar 1, 2002 | Apr 25, 2002 | 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
Clean Air Act
· Case 3601565148 · Sep 10, 2018
$2,250
Notice of Violation
Clean Air Act
· Case 3601496292 · Jul 18, 2018
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TND063179998-001 · Jun 6, 2018
Administrative - Formal
Clean Air Act
· Case 3601331939 · Feb 6, 2018
$2,250
Notice of Violation
Clean Air Act
· Case 3601189000 · Sep 21, 2017
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-TND063179998-120 · Feb 21, 2008
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