EmissionsLookup
Non-Compliance TRI Reporter Clean Air Act Clean Water Act RCRA

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

#6 of 729 TRI reporters in NC
#44 of 584 TRI reporters in Utilities

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.

4
Air (CAA)
Qtrs Non-Compliant
12
Water (CWA)
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
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) -20% overall
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

Chemical Total (lbs) Air Water Land Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 400,479 383 96 400,000 18
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 250,000 250,000
Vanadium compounds 150,217 217 150,000 4
Zinc compounds 97,023 1,923 1,100 94,000 86
Manganese compounds 89,294 134 160 89,000 5
Copper compounds 77,840 140 1,700 76,000 1
Chromium compounds (except for chromite ore mined in the Transvaal Region) 77,185 174 11 77,000 3
Nickel compounds 69,289 201 88 69,000 2 ♦ Carcinogen
n-Hexane 66,000 66,000
Lead compounds 37,088 85 3 37,000 2
Cobalt compounds 34,035 35 34,000 1 ♦ Carcinogen
Arsenic compounds 29,111 75 36 29,000 1 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 12,000 12,000
Hydrogen fluoride 6,700 6,700
Ammonia 1,690 1,500 190
Mercury compounds 401 41 0 360 0
Polycyclic aromatic compounds 3 3 1 ♦ Carcinogen
Dioxin and dioxin-like compounds 1 1 ♦ Carcinogen
Benzo[g,h,i]perylene 0 0 0

2023

Chemical Total (lbs) Air Water Land Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 380,390 390 380,000 11,005
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 170,000 170,000
Vanadium compounds 140,209 209 140,000 3,200
Zinc compounds 89,744 1,744 1,000 87,000 1,665
Manganese compounds 83,147 147 83,000 5,100
Copper compounds 72,731 131 1,600 71,000 1,200
Chromium compounds (except for chromite ore mined in the Transvaal Region) 72,176 169 7 72,000 2,100
Nickel compounds 64,269 191 78 64,000 1,800 ♦ Carcinogen
n-Hexane 61,000 61,000
Lead compounds 35,085 85 35,000 321
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 11,000 11,000
Hydrogen fluoride 6,100 6,100
Ammonia 980 980
Mercury compounds 380 30 350 1
Polycyclic aromatic compounds 3 3 1 ♦ Carcinogen
Dioxin and dioxin-like compounds 1 1 ♦ Carcinogen
Benzo[g,h,i]perylene 0 0

2022

Chemical Total (lbs) Air Water Land Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 220,354 349 5 220,000 3
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 200,000 200,000
Vanadium compounds 83,195 195 83,000
n-Hexane 70,000 70,000
Zinc compounds 52,532 1,722 810 50,000 38
Manganese compounds 49,104 104 49,000
Copper compounds 42,118 118 1,000 41,000
Chromium compounds (except for chromite ore mined in the Transvaal Region) 41,157 150 7 41,000
Nickel compounds 38,250 176 74 38,000 ♦ Carcinogen
Lead compounds 19,071 71 19,000 1
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 10,000 10,000
Hydrogen fluoride 5,700 5,700
Ammonia 1,200 1,200
Mercury compounds 229 39 190
Polycyclic aromatic compounds 3 3 1 ♦ Carcinogen
Dioxin and dioxin-like compounds 1 1 ♦ Carcinogen
Benzo[g,h,i]perylene 0 0

2021

Chemical Total (lbs) Air Water Land Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 430,296 287 9 430,000 9
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 300,000 300,000
Vanadium compounds 170,194 194 170,000
Zinc compounds 101,992 1,522 470 100,000 11
Manganese compounds 94,131 131 94,000
Copper compounds 84,357 157 1,200 83,000
Chromium compounds (except for chromite ore mined in the Transvaal Region) 83,178 170 8 83,000 1
Nickel compounds 72,306 186 120 72,000 ♦ Carcinogen
Lead compounds 41,086 86 41,000 2
Cobalt compounds 36,039 39 36,000 ♦ Carcinogen
Arsenic compounds 32,085 64 21 32,000 2 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 20,000 20,000
Hydrogen fluoride 12,000 12,000
Ammonia 1,800 1,800
Mercury compounds 468 58 410
Polycyclic aromatic compounds 4 4 1 ♦ Carcinogen
Dioxin and dioxin-like compounds 1 1 ♦ Carcinogen
Benzo[g,h,i]perylene 0 0

2020

Chemical Total (lbs) Air Water Land Off-Site
Naphthalene ♦ Carcinogen
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 350,226 216 10 350,000 3
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 270,000 270,000
Vanadium compounds 140,154 154 140,000
Zinc compounds 89,462 1,022 440 88,000 47
Manganese compounds 74,121 121 74,000
Copper compounds 71,227 127 1,100 70,000
Chromium compounds (except for chromite ore mined in the Transvaal Region) 68,140 140 68,000
Nickel compounds 57,146 146 57,000 ♦ Carcinogen
Lead compounds 36,074 74 36,000 1
Arsenic compounds 29,188 58 130 29,000 1 ♦ Carcinogen
Cobalt compounds 29,036 36 29,000 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 18,000 18,000
Hydrogen fluoride 10,000 10,000
Ammonia 2,160 1,900 260
Mercury compounds 412 42 370
Polycyclic aromatic compounds 3 3 1 ♦ Carcinogen
Dioxin and dioxin-like compounds 1 1 ♦ Carcinogen
Benzo[g,h,i]perylene 0 0

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

Chemical Total (lbs) Air Water Land Off-Site
Naphthalene ♦ Carcinogen
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 679,533 233 2,300 677,000 97
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 380,000 380,000
Vanadium compounds 262,280 183 97 262,000 29
Zinc compounds 174,191 1,321 870 172,000 107
Manganese compounds 161,152 152 31,000 130,000 25
Copper compounds 131,787 167 620 131,000 11
Chromium compounds (except for chromite ore mined in the Transvaal Region) 131,171 171 131,000 15
Nickel compounds 110,476 186 290 110,000 19 ♦ Carcinogen
Lead compounds 68,990 90 68,900 4
Cobalt compounds 56,044 44 56,000 8 ♦ Carcinogen
Arsenic compounds 54,799 69 130 54,600 1 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 26,000 26,000
Selenium compounds 21,336 2,003 33 19,300
Hydrogen fluoride 15,000 15,000
Beryllium compounds 13,008 8 13,000 1 ♦ Carcinogen
Ammonia 4,290 3,800 490
Mercury compounds 767 58 709
Polycyclic aromatic compounds 5 5 1 ♦ Carcinogen
Dioxin and dioxin-like compounds 2 2 ♦ Carcinogen
Benzo[g,h,i]perylene 0 0

2017

Chemical Total (lbs) Air Water Land Off-Site
Naphthalene ♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 530,000 530,000
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 512,204 204 2,000 510,000 11
Vanadium compounds 194,262 177 85 194,000
Zinc compounds 121,131 1,411 820 118,900 128
Manganese compounds 119,149 149 27,000 92,000
Copper compounds 99,169 169 11,000 88,000
Chromium compounds (except for chromite ore mined in the Transvaal Region) 98,169 169 98,000 1
Nickel compounds 86,447 187 260 86,000 ♦ Carcinogen
Lead compounds 48,860 91 48,769 2
Cobalt compounds 42,164 44 20 42,100 ♦ Carcinogen
Arsenic compounds 37,490 70 150 37,270 2 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 27,000 27,000
Hydrogen fluoride 16,000 16,000
Selenium compounds 15,570 2,301 39 13,230
Beryllium compounds 9,807 7 9,800 ♦ Carcinogen
Ammonia 4,860 4,300 560
Mercury compounds 557 49 509
Polycyclic aromatic compounds 5 5 2 ♦ Carcinogen
Dioxin and dioxin-like compounds 2 2 ♦ Carcinogen
Benzo[g,h,i]perylene 0 0

2016

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) 480,000 480,000
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 384,468 179 1,760 382,529 20
Vanadium compounds 187,388 189 74 187,125
Manganese compounds 151,899 184 23,777 127,938
Zinc compounds 140,955 1,614 1,469 137,872 242
Copper compounds 106,001 181 11,133 94,687
Chromium compounds (except for chromite ore mined in the Transvaal Region) 89,002 176 88,826 2
Nickel compounds 82,004 204 223 81,577 ♦ Carcinogen
Arsenic compounds 53,215 95 146 52,974 4 ♦ Carcinogen
Lead compounds 50,670 101 50,569 5
Cobalt compounds 29,381 40 116 29,225 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 29,000 29,000
Hydrogen fluoride 17,000 17,000
Selenium compounds 16,671 2,350 39 14,282
Beryllium compounds 7,862 7 7,855 ♦ Carcinogen
Ammonia 7,351 6,681 670
Mercury compounds 630 43 587 162
Naphthalene 29 29 787 ♦ Carcinogen
Polycyclic aromatic compounds 5 5 3 ♦ Carcinogen
Dioxin and dioxin-like compounds 2 2 ♦ Carcinogen
Benzo[g,h,i]perylene 0 0

2015

Chemical Total (lbs) Air Water Land Off-Site
Naphthalene ♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 380,000 380,000
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 368,770 170 1,600 367,000 1
Vanadium compounds 173,216 170 46 173,000
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 160,000 160,000
Manganese compounds 137,169 169 27,000 110,000
Zinc compounds 128,708 1,408 1,300 126,000 12
Copper compounds 93,655 155 2,500 91,000
Chromium compounds (except for chromite ore mined in the Transvaal Region) 84,157 157 84,000 24
Nickel compounds 78,325 185 140 78,000 ♦ Carcinogen
Arsenic compounds 49,171 91 480 48,600 ♦ Carcinogen
Lead compounds 46,993 93 0 46,900 2
Cobalt compounds 27,709 36 73 27,600 ♦ Carcinogen
Hydrogen fluoride 16,000 16,000
Ammonia 6,430 5,100 670 660
Mercury compounds 576 50 526
Polycyclic aromatic compounds 4 4 0 ♦ Carcinogen
Dioxin and dioxin-like compounds 1 1 ♦ Carcinogen
Benzo[g,h,i]perylene 0 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.

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.

Judicial
· Case 04-2000-0278 · Oct 20, 2015
$975,000

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