DUKE ENERGY CAROLINAS, LLC - MARSHALL STEAM STATION
Quick Summary
- •Released 1,962,847 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 $8,507 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
8320 EAST NC HWY 150
TERRELL, NC 28682
View on map ↗ - County
- CATAWBA County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Inspections
- 8 · last Feb 18, 2026
- Total Penalties
- $8,507 · last Jan 5, 2024
- Registry ID
- 110000351397
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 | 1,750,885 | — |
| 2016 | 1,833,533 | +5% |
| 2017 | 1,962,847 | +7% |
| 2018 | 2,290,830 | +17% |
| 2019 | 513,509 | -78% |
| 2020 | 1,245,351 | +143% |
| 2021 | 1,479,938 | +19% |
| 2022 | 832,914 | -44% |
| 2023 | 1,187,215 | +43% |
| 2024 | 1,398,356 | +18% |
2024
2023
2022
2021
2020
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 300,000 | 300,000 | — | — | — | |
| Zinc compounds | 86,954 | 1,314 | 640 | 85,000 | 100 | |
| Copper compounds | 70,361 | 161 | 1,200 | 69,000 | — | |
| Cobalt compounds | 30,042 | 42 | — | 30,000 | — | ♦ Carcinogen |
| Arsenic compounds | 26,152 | 69 | 83 | 26,000 | 7 | ♦ Carcinogen |
2018
2017
2016
2015
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 |
|---|---|---|---|---|
| Hydrogen fluoride | — | — | — | 210,000 |
| Vanadium compounds | — | 0 | — | — |
| Lead compounds | — | 0 | — | — |
| Cobalt compounds | — | 0 | — | — |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 0 | — | — |
| Mercury compounds | — | 0 | — | — |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 2,800,000 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 1,900,000 |
| Ammonia | — | — | — | 15,000 |
| Zinc compounds | — | 0 | — | — |
| Arsenic compounds | — | 0 | — | — |
| Polycyclic aromatic compounds | — | 0 | 1 | — |
| Copper compounds | — | 0 | — | — |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | — | 0 | — | — |
| Nickel compounds | — | 0 | — | — |
| Manganese compounds | — | 0 | — | — |
| Benzo[g,h,i]perylene | — | 0 | 0 | — |
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 |
|---|---|---|---|---|---|
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Benzo[g,h,i]perylene | — | — | 0 | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Benzo[g,h,i]perylene | — | 0 | — | — |
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Arsenic compounds | 0 | — | — | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Arsenic compounds | — | 0 | — | — |
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Mercury compounds | 0 | — | — | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Mercury compounds | — | 0 | — | — |
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Polycyclic aromatic compounds | 0 | — | — | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Polycyclic aromatic compounds | — | 0 | — | — |
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Nickel compounds | 2 | — | — | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Nickel compounds | — | 0 | — | — |
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Copper compounds | 1 | — | — | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Copper compounds | — | 0 | — | — |
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Cobalt compounds | 1 | — | — | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Cobalt compounds | — | 0 | — | — |
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Lead compounds | 1 | — | — | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Lead compounds | — | 0 | — | — |
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 12 | — | — | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | — | 0 | — | — |
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 2 | — | — | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 0 | — | — |
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Manganese compounds | 5 | — | — | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Manganese compounds | — | 0 | — | — |
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Vanadium compounds | 3 | — | — | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Vanadium compounds | — | 0 | — | — |
|
HAZ-MAT TRANSPORTATION & DISPOSAL INC
CHARLOTTE, NC
|
Zinc compounds | 13 | — | — | — |
|
DUKE ENERGY TODDVILLE
CHARLOTTE, NC
|
Zinc compounds | — | 0 | — | — |
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 | HPV | Aug 16, 2023 | Apr 22, 2024 | Resolved |
| caa | FRV | Jul 21, 2023 | Aug 18, 2023 | 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 |
|---|---|---|---|---|---|---|
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 6.74 mg/L | 1.00 | +574% | Jan 2026 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 6.74 mg/L | 1.00 | +574% | Jan 2026 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 2.67 mg/L | 1.00 | +167% | Oct 2025 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 2.67 mg/L | 1.00 | +167% | Oct 2025 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.98 mg/L | 1.00 | +98% | Apr 2024 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.98 mg/L | 1.00 | +98% | Apr 2024 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 2.08 mg/L | 1.00 | +108% | Apr 2023 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 2.08 mg/L | 1.00 | +108% | Apr 2023 | Resolved |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.40 mg/L | 1.00 | +40% | Nov 2022 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.40 mg/L | 1.00 | +40% | Nov 2022 | Resolved |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 3.62 mg/L | 1.00 | +262% | Jan 2022 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.66 mg/L | 1.00 | +66% | Mar 2021 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.66 mg/L | 1.00 | +66% | Mar 2021 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.23 mg/L | 1.00 | +23% | Feb 2021 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.23 mg/L | 1.00 | +23% | Feb 2021 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.29 mg/L | 1.00 | +29% | Jan 2021 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.29 mg/L | 1.00 | +29% | Jan 2021 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.44 mg/L | 1.00 | +44% | Mar 2019 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 3.04 mg/L | 1.00 | +204% | Mar 2019 | Resolved |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.05 mg/L | 1.00 | +5% | Feb 2019 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.59 mg/L | 1.00 | +59% | Feb 2019 | Resolved |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.08 mg/L | 1.00 | +8% | Jan 2019 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.02 mg/L | 1.00 | +2% | Nov 2018 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.22 mg/L | 1.00 | +22% | Mar 2018 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.28 mg/L | 1.00 | +28% | Apr 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.