Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
WOLFSPEED, INC. - DURHAM
Quick Summary
- •Released 13,355 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 PFAS ("forever chemicals").
- Address
-
4600 SILICON DRIVE
DURHAM, NC 27703
View on map ↗ - County
- DURHAM County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 334413
- Inspections
- 7 · last Jul 31, 2025
- Total Penalties
- $0 · last Sep 21, 2020
- Registry ID
- 110000347321
How This Compares
#153
of 729 TRI reporters in NC
#3,478
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
5
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)
+2% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 7,188 | — |
| 2016 | 9,558 | +33% |
| 2017 | 13,355 | +40% |
| 2018 | 12,991 | -3% |
| 2019 | 8,196 | -37% |
| 2020 | 10,136 | +24% |
| 2021 | 9,557 | -6% |
| 2022 | 10,142 | +6% |
| 2023 | 9,223 | -9% |
| 2024 | 7,335 | -20% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Potassium perfluorooctanesulfonate | — | — | — | — | 0 | PFAS |
| Hydrogen fluoride | 3,704 | 3,704 | — | — | 4,355 | |
| Ammonia | 2,609 | 2,609 | — | — | 4,764 | |
| N-Methyl-2-pyrrolidone | 860 | 860 | — | — | 85,098 | |
| Certain glycol ethers | 153 | 153 | — | — | 15,134 | |
| Nitric acid | 10 | 10 | — | — | 9,977 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | — | — | — | — | 13,258 | |
| Hydrogen fluoride | 4,835 | 4,835 | — | — | 2,204 | |
| Ammonia | 2,991 | 2,991 | — | — | 3,153 | |
| N-Methyl-2-pyrrolidone | 975 | 975 | — | — | 96,555 | |
| Certain glycol ethers | 414 | 414 | — | — | 40,957 | |
| Nitric acid | 8 | 8 | — | — | 8,230 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | — | — | — | — | 7,548 | |
| Hydrogen fluoride | 5,357 | 5,357 | — | — | 1,587 | |
| Ammonia | 2,362 | 2,362 | — | — | 2,926 | |
| N-Methyl-2-pyrrolidone | 2,175 | 2,175 | — | — | 200,131 | |
| Certain glycol ethers | 240 | 240 | — | — | 25,795 | |
| Nitric acid | 8 | 8 | — | — | 3,049 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | — | — | — | — | 13,874 | |
| Hydrogen fluoride | 3,912 | 3,912 | — | — | 2,153 | |
| Ammonia | 2,170 | 2,170 | — | — | 2,453 | |
| N-Methyl-2-pyrrolidone | 1,735 | 1,735 | — | — | 161,645 | |
| Methanol | 1,352 | 1,352 | — | — | 12,047 | |
| Certain glycol ethers | 388 | 388 | — | — | 33,146 | |
| Mercury | 0 | 0 | — | — | 10 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | — | — | — | — | 13,846 | |
| Cyanide compounds | — | — | — | — | 13,100 | |
| Hydrogen fluoride | 3,966 | 3,966 | — | — | 3,790 | |
| Ammonia | 2,252 | 2,252 | — | — | 2,697 | |
| N-Methyl-2-pyrrolidone | 2,080 | 2,080 | — | — | 196,881 | |
| Methanol | 1,374 | 1,374 | — | — | 12,246 | |
| Certain glycol ethers | 464 | 464 | — | — | 39,609 | |
| Mercury | 0 | 0 | — | — | 30 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen fluoride | 4,142 | 4,142 | — | — | 2,890 | |
| N-Methyl-2-pyrrolidone | 2,246 | 2,246 | — | — | 222,361 | |
| Methanol | 1,460 | 1,460 | — | — | 4,150 | |
| Certain glycol ethers | 343 | 343 | — | — | 34,069 | |
| Cyanide compounds | 5 | 5 | — | — | 3,824 | |
| Manganese compounds | 0 | 0 | — | — | 12,390 | |
| Mercury | 0 | 0 | — | — | 1 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | 14,602 | |
| Manganese compounds | — | — | — | — | 11,650 | |
| Hydrogen fluoride | 4,787 | 4,787 | — | — | 4,266 | |
| N-Methyl-2-pyrrolidone | 2,861 | 2,861 | — | — | 181,781 | |
| Ammonia | 2,635 | 2,635 | — | — | 3,943 | |
| Methanol | 2,179 | 2,179 | — | — | 20,812 | |
| Certain glycol ethers | 524 | 524 | — | — | 52,090 | |
| Nitric acid | 5 | 5 | — | — | 2,978 | |
| Mercury | 0 | 0 | — | — | 1 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | 16,040 | |
| Manganese compounds | — | — | — | — | 11,650 | |
| Hydrogen fluoride | 5,392 | 5,392 | — | — | 9,318 | |
| Ammonia | 2,694 | 2,694 | — | — | 2,244 | |
| N-Methyl-2-pyrrolidone | 2,401 | 2,401 | — | — | 237,723 | |
| Methanol | 2,309 | 2,309 | — | — | 20,683 | |
| Certain glycol ethers | 549 | 549 | — | — | 54,594 | |
| Nitric acid | 10 | 10 | — | — | 7,589 | |
| Mercury | 0 | 0 | — | — | 1 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | 17,783 | |
| Hydrogen fluoride | 3,722 | 3,722 | — | — | 7,150 | |
| N-Methyl-2-pyrrolidone | 2,952 | 2,952 | — | — | 288,514 | |
| Ammonia | 2,324 | 2,324 | — | — | 2,502 | |
| Certain glycol ethers | 551 | 551 | — | — | 54,782 | |
| Nitric acid | 9 | 9 | — | — | 1,799 | |
| Mercury | 0 | 0 | — | — | 4 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyanide compounds | — | — | — | — | 13,210 | |
| Hydrogen fluoride | 2,389 | 2,389 | — | — | 7,959 | |
| Ammonia | 2,276 | 2,276 | — | — | 2,493 | |
| N-Methyl-2-pyrrolidone | 2,009 | 2,009 | — | — | 201,130 | |
| Certain glycol ethers | 503 | 503 | — | — | 50,421 | |
| Nitric acid | 11 | 11 | — | — | 1,870 | |
| Mercury | 0 | 0 | — | — | 10 |
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 |
|---|---|---|---|---|
| Ammonia | — | — | — | 171,795 |
| Certain glycol ethers | — | — | — | 15,133 |
| Nitric acid | — | — | — | 9,448 |
| Hydrogen fluoride | — | — | — | 27,618 |
| Potassium perfluorooctanesulfonate | — | — | — | 0 |
| N-Methyl-2-pyrrolidone | — | 7,752 | 55,157 | 22,125 |
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 |
|---|---|---|---|---|---|
|
AERC ACQUISITION CORPORATION D/B/A DART, A CLEAN EARTH COMPA
CHARLOTTE, NC
|
Potassium perfluorooctanesulfonate | — | — | — | 0 |
|
SHAMROCK ENVIRONMENTAL CORP
BROWNS SUMMIT, NC
|
Potassium perfluorooctanesulfonate | — | — | — | 0 |
|
AERC ACQUISITION CORPORATION D/B/A DART, A CLEAN EARTH COMPA
CHARLOTTE, NC
|
Ammonia | — | — | — | 739 |
|
HERITAGE ENVIRONMENTAL SERVICES LLC
INDIANAPOLIS, IN
|
Ammonia | — | — | — | 93 |
|
SHAMROCK ENVIRONMENTAL CORP
BROWNS SUMMIT, NC
|
Ammonia | — | — | — | 769 |
|
AERC ACQUISITION CORPORATION D/B/A DART, A CLEAN EARTH COMPA
CHARLOTTE, NC
|
Hydrogen fluoride | — | — | — | 768 |
|
SHAMROCK ENVIRONMENTAL CORP
BROWNS SUMMIT, NC
|
Hydrogen fluoride | — | — | — | 3,021 |
|
SHAMROCK ENVIRONMENTAL CORP
BROWNS SUMMIT, NC
|
Certain glycol ethers | — | — | — | 15,120 |
|
GIANT CEMENT COMPANY
HARLEYVILLE, SC
|
N-Methyl-2-pyrrolidone | — | — | 55,157 | — |
|
GIANT RESOURCE RECOVERY SUMTER INC
SUMTER, SC
|
N-Methyl-2-pyrrolidone | — | 7,752 | — | — |
|
SHAMROCK ENVIRONMENTAL CORP
BROWNS SUMMIT, NC
|
N-Methyl-2-pyrrolidone | — | — | — | 21,398 |
|
AERC ACQUISITION CORPORATION D/B/A DART, A CLEAN EARTH COMPA
CHARLOTTE, NC
|
Nitric acid | — | — | — | 7,508 |
|
SHAMROCK ENVIRONMENTAL CORP
BROWNS SUMMIT, NC
|
Nitric acid | 566 | — | — | — |
|
ADVANCED CHEMICAL COMPANY
WARWICK, RI
|
Nitric acid | — | — | — | 1,903 |
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.
| Chemical | Transferred (lbs) | POTW |
|---|---|---|
| Potassium perfluorooctanesulfonate | 0 | TRIANGLE WWTP, DURHAM |
| Nitric acid | — | TRIANGLE WWTP, DURHAM |
| N-Methyl-2-pyrrolidone | 790 | TRIANGLE WWTP, DURHAM |
| Ammonia | 3,163 | TRIANGLE WWTP, DURHAM |
| Certain glycol ethers | 14 | TRIANGLE WWTP, DURHAM |
| Hydrogen fluoride | — | TRIANGLE WWTP, DURHAM |
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 | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Mar 26, 2024 | Nov 21, 2024 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Mar 26, 2024 | Nov 21, 2024 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Mar 26, 2024 | Nov 21, 2024 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Air Emission Standards for Equipment Leaks | Mar 26, 2024 | Nov 21, 2024 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Air Emission Standards for Tanks, Surface Impoundments and Containers | Mar 26, 2024 | Nov 21, 2024 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Feb 9, 2022 | Jun 8, 2022 | Resolved |
| rcra | Standards Applicable to Generators of HW: Preparedness. Prevention, and Emergency Procedures for LQGs | Feb 9, 2022 | Jun 8, 2022 | Resolved |
| rcra | Land Disposal Restrictions: General | Jul 31, 2019 | Feb 2, 2021 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 31, 2019 | Sep 3, 2020 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Jul 31, 2019 | Sep 9, 2020 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 30, 2019 | Jul 30, 2019 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Jul 30, 2019 | Sep 9, 2020 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Air Emission Standards for Equipment Leaks | Jul 12, 2018 | Dec 13, 2018 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 12, 2018 | Dec 13, 2018 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jul 12, 2018 | Dec 13, 2018 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Mar 11, 2014 | Sep 11, 2014 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Mar 11, 2014 | Sep 11, 2014 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Mar 11, 2014 | Sep 11, 2014 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Mar 11, 2014 | Sep 11, 2014 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 26, 2009 | Nov 10, 2009 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Aug 26, 2009 | Nov 10, 2009 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 25, 2007 | Jul 18, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 15, 2002 | Dec 3, 2002 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 2, 2001 | Apr 4, 2001 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 2, 2001 | Apr 4, 2001 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Apr 2, 2001 | Aug 13, 2001 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Oct 25, 1999 | Dec 2, 1999 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Oct 25, 1999 | Dec 2, 1999 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Dec 21, 1988 | Mar 30, 1989 | 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.
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-NCD981014749-033 · Oct 24, 2024
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-NCD981014749-032 · May 13, 2022
Administrative - Formal
· Case 04-2020-2112 · Sep 21, 2020
$124,000
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-NCD981014749-028 · Oct 9, 2018
Administrative - Formal
· Case 04-2014-2013 · Jun 10, 2014
$17,290
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-NCD981014749-025 · Apr 2, 2014
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-NCD981014749-021 · Oct 8, 2009
Administrative - Formal
· Case 04-2007-9148 · Mar 18, 2008
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-NCD981014749-020 · Jun 26, 2007
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-NCD981014749-018 · Aug 15, 2002
INITIAL 3008(A) COMPLIANCE
RCRA (Hazardous Waste)
· Case RCRA-NCD981014749-006 · Jul 27, 2001
$1,430
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-NCD981014749-005 · Oct 25, 1999
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste)
· Case RCRA-NCD981014749-001 · Jan 31, 1989
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