EmissionsLookup
TRI Reporter

KENNECOTT UTAH COPPER MINE CONCENTRATORS & POWER PLANT

Quick Summary

  • Released 234,372,667 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
12300 S. UTAH HWY. 111
COPPERTON, UT 84006
View on map ↗
County
SALT LAKE County
Industry
Mining, Quarrying, and Oil and Gas Extraction
NAICS (North American Industry Classification)
212230
Total Penalties
$0
Registry ID
110000468805

How This Compares

#1 of 213 TRI reporters in UT
#2 of 555 TRI reporters in Mining, Quarrying, and Oil and Gas Extraction

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) +17% overall
Year Total Releases (lbs) vs Prior Year
2015 164,195,938
2016 201,224,942 +23%
2017 234,372,667 +16%
2018 229,202,509 -2%
2019 41,264 -100%
2020 128,306,010 +310839%
2021 149,392,949 +16%
2022 132,350,926 -11%
2023 242,795,754 +83%
2024 192,650,653 -21%

2024

Chemical Total (lbs) Air Water Land Off-Site
Polychlorinated biphenyls 15 ♦ Carcinogen
N,N-Dimethylaniline 8
Lead compounds 131,567,795 907 18 131,566,871 45,776
Copper compounds 60,193,442 26 347 60,193,069 414
Aluminum (fume or dust) 443,406 88,681 354,726
Manganese compounds 208,540 332 500 207,708
Chromium compounds (except for chromite ore mined in the Transvaal Region) 77,123 459 500 76,164 109
Styrene 44,634 8,927 35,707 682 ♦ Carcinogen
Mercury compounds 39,954 7 0 39,948 23
Arsenic compounds 32,772 9 59 32,705 611 ♦ Carcinogen
Cresol (mixed isomers) 16,796 250 250 16,296
Nickel compounds 15,060 89 349 14,622 ♦ Carcinogen
Cyanide compounds 4,066 2,679 820 567 44
Ammonia 3,526 3,526 180
Selenium compounds 2,461 32 64 2,365 613
Silver compounds 513 12 500 1 648
Antimony compounds 501 500 1
Naphthalene 55 55 9 ♦ Carcinogen
Cadmium compounds 10 8 1 613 ♦ Carcinogen
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 1 1
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0 0 826
Ethylene glycol 0 0 5

2023

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 3
Lead compounds 191,272,990 759 20 191,272,211 0
Copper compounds 50,850,490 21 495 50,849,974 13
Aluminum (fume or dust) 351,414 70,283 281,131
Manganese compounds 164,836 236 500 164,100
Chromium compounds (except for chromite ore mined in the Transvaal Region) 60,924 320 500 60,104 14
Mercury compounds 32,622 5 32,617
Arsenic compounds 22,887 7 181 22,699 20 ♦ Carcinogen
Cresol (mixed isomers) 15,842 250 250 15,342 12
Nickel compounds 12,174 63 564 11,547 ♦ Carcinogen
Cyanide compounds 3,744 2,679 498 567 0
Ammonia 3,646 3,646
Selenium compounds 1,955 27 54 1,874
Naphthalene 1,205 454 751 12 ♦ Carcinogen
Silver compounds 514 14 500
Antimony compounds 500 500
Cadmium compounds 9 6 1 2 ♦ Carcinogen
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen
Ethylene glycol 0 0

2022

Chemical Total (lbs) Air Water Land Off-Site
Asbestos (friable) 35,300 ♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 115
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Lead compounds 87,838,769 569 15 87,838,185
Copper compounds 43,533,312 23 354 43,532,935 24
Aluminum (fume or dust) 632,349 126,470 505,879
Manganese compounds 177,893 222 500 177,171
Chromium compounds (except for chromite ore mined in the Transvaal Region) 66,396 299 500 65,597
Mercury compounds 29,574 5 29,569
Arsenic compounds 26,199 7 70 26,122 ♦ Carcinogen
Cresol (mixed isomers) 18,484 250 250 17,984 10
Nickel compounds 13,608 60 232 13,316 ♦ Carcinogen
Cyanide compounds 5,091 2,679 1,845 567 0
Ammonia 3,650 3,650
Selenium compounds 2,637 27 28 2,582
Ethylene glycol 1,030 52 978
Naphthalene 800 312 488 10 ♦ Carcinogen
Silver compounds 515 12 500 3
Antimony compounds 500 500
Cadmium compounds 120 6 114 ♦ Carcinogen
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2021

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)
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Ethylene glycol
Asbestos (friable) 32,820 ♦ Carcinogen
Lead compounds 81,306,857 523 17 81,306,317
Copper compounds 67,728,487 24 355 67,728,108 24
Manganese compounds 167,410 183 500 166,727
Chromium compounds (except for chromite ore mined in the Transvaal Region) 61,694 245 500 60,949
Arsenic compounds 44,224 8 77 44,139 ♦ Carcinogen
Mercury compounds 31,036 6 31,030
Styrene 15,743 3,149 12,594 161 ♦ Carcinogen
Cresol (mixed isomers) 15,209 250 250 14,709
Nickel compounds 12,073 50 327 11,696 ♦ Carcinogen
Ammonia 3,628 3,628
Cyanide compounds 3,553 2,679 307 567
Selenium compounds 1,961 29 40 1,892
Silver compounds 512 12 500
Antimony compounds 500 500
Naphthalene 54 51 3 ♦ Carcinogen
Cadmium compounds 7 7 ♦ Carcinogen
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2020

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Ethylene glycol 159
Lead compounds 89,424,092 491 22 89,423,579
Copper compounds 38,449,337 20 813 38,448,504 3
Manganese compounds 198,619 214 500 197,905
Chromium compounds (except for chromite ore mined in the Transvaal Region) 73,178 291 500 72,387 10,020
Diisocyanates 41,641 8,328 33,313
Mercury compounds 36,642 5 2 36,635
Arsenic compounds 35,683 6 212 35,465 12,004 ♦ Carcinogen
Cresol (mixed isomers) 23,234 250 250 22,734
Nickel compounds 14,465 58 530 13,877 ♦ Carcinogen
Ammonia 3,646 3,646
Selenium compounds 2,365 23 67 2,275
Cyanide compounds 1,887 1,348 175 364
Silver compounds 512 7 500 5
Antimony compounds 500 500
Naphthalene 186 99 87 2 ♦ Carcinogen
Cadmium compounds 23 6 17 ♦ Carcinogen
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2019

Chemical Total (lbs) Air Water Land Off-Site
Ethylene glycol 2
Mercury compounds 35,431 191 35,240 0
Ammonia 3,612 3,612
Selenium compounds 2,221 78 2,143 0

2018

Chemical Total (lbs) Air Water Land Off-Site
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Lead compounds 179,055,425 812 19 179,054,594
Copper compounds 49,758,714 15 363 49,758,336 18
Manganese compounds 185,166 181 500 184,485
Chromium compounds (except for chromite ore mined in the Transvaal Region) 68,111 255 500 67,356
Arsenic compounds 52,202 113 52,089 ♦ Carcinogen
Mercury compounds 43,214 2 43,212
Cresol (mixed isomers) 18,815 250 250 18,315
Nickel compounds 13,444 47 476 12,921 ♦ Carcinogen
Ammonia 3,693 3,693
Selenium compounds 2,178 70 2,108
Silver compounds 511 7 500 4 10
Antimony compounds 500 500
Cyanide compounds 496 82 256 158
Naphthalene 36 36 28 ♦ Carcinogen
Cadmium compounds 4 1 3 ♦ Carcinogen
Dioxin and dioxin-like compounds 0 0 3 ♦ Carcinogen

2017

Chemical Total (lbs) Air Water Land Off-Site
Lead compounds 177,939,593 1,090 22 177,938,481
Copper compounds 55,986,596 30 842 55,985,724 33
Manganese compounds 224,644 337 500 223,807
Chromium compounds (except for chromite ore mined in the Transvaal Region) 85,742 504 500 84,738
Arsenic compounds 53,412 1 123 53,288 ♦ Carcinogen
Mercury compounds 39,277 4 39,273
Nickel compounds 18,039 97 702 17,240 ♦ Carcinogen
Cresol (mixed isomers) 15,209 250 250 14,709
Ammonia 5,958 5,958
Selenium compounds 2,821 20 79 2,722
Antimony compounds 708 1 500 207
Silver compounds 545 6 500 39
Naphthalene 59 43 16 391 ♦ Carcinogen
Cadmium compounds 52 4 9 39 ♦ Carcinogen
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 11 11
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 1 1
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

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)
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Lead compounds 159,911,011 978 21 159,910,012
Copper compounds 40,867,672 50 669 40,866,953 491
Manganese compounds 203,464 63 500 202,901
Chromium compounds (except for chromite ore mined in the Transvaal Region) 70,960 187 500 70,273
Zinc compounds 47,718 43 660 47,015
Mercury compounds 40,779 15 40,764
Arsenic compounds 40,063 3 118 39,942 ♦ Carcinogen
Nickel compounds 19,837 49 858 18,930 ♦ Carcinogen
Cresol (mixed isomers) 13,692 250 250 13,192
Ammonia 4,758 4,758
Selenium compounds 2,682 47 69 2,566
Antimony compounds 1,038 2 500 536
Silver compounds 1,011 1 500 510
Cadmium compounds 225 3 22 200 ♦ Carcinogen
Naphthalene 32 29 3 2,731 ♦ Carcinogen
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

2015

Chemical Total (lbs) Air Water Land Off-Site
Lead compounds 121,386,847 681 2 121,386,164 70
Copper compounds 42,473,249 43 654 42,472,552 13
Manganese compounds 169,508 42 500 168,966
Chromium compounds (except for chromite ore mined in the Transvaal Region) 64,407 99 500 63,808 70
Mercury compounds 47,865 17 47,848 15
Cresol (mixed isomers) 15,767 250 250 15,267
Arsenic compounds 14,989 4 205 14,780 70 ♦ Carcinogen
Nickel compounds 14,538 23 517 13,998 ♦ Carcinogen
Ammonia 4,090 4,090 21
Selenium compounds 2,591 65 90 2,436
Antimony compounds 677 1 500 176
Silver compounds 597 500 97
Thallium compounds 579 1 500 78
Naphthalene 101 91 10 129 ♦ Carcinogen
Cadmium compounds 96 2 9 85 70 ♦ Carcinogen
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 35 35
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2 2
Dioxin and dioxin-like compounds 0 0 ♦ Carcinogen

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
Ethylene glycol 5
Ammonia 180
Mercury compounds 2
Cyanide compounds 44
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 824

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
VEOLIA ES TECHNICAL SOLUTIONS
PHOENIX, AZ
Mercury compounds 2
WASATCH REGIONAL LANDFILL
GRANTSVILLE, UT
Cadmium compounds 0
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
Cadmium compounds 7
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
Cadmium compounds 606
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
Lead compounds 103
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
Lead compounds 45,652
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Lead compounds 20
WASATCH REGIONAL LANDFILL
GRANTSVILLE, UT
Lead compounds 1
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
Ammonia 180
WASATCH REGIONAL LANDFILL
GRANTSVILLE, UT
Arsenic compounds 0
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
Arsenic compounds 606
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
Arsenic compounds 5
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
Mercury compounds 21
WASATCH REGIONAL LANDFILL
GRANTSVILLE, UT
Mercury compounds 0
WASATCH REGIONAL LANDFILL
GRANTSVILLE, UT
Styrene 682
CLEAN HARBORS LONE MOUNTAIN LLC
ORIENTA, OK
Mercury compounds 0
WASATCH REGIONAL LANDFILL
GRANTSVILLE, UT
Chromium compounds (except for chromite ore mined in the Transvaal Region) 0
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
Chromium compounds (except for chromite ore mined in the Transvaal Region) 103
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
Copper compounds 404
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Copper compounds 10
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
Selenium compounds 606
WASATCH REGIONAL LANDFILL
GRANTSVILLE, UT
Selenium compounds 0
WASATCH REGIONAL LANDFILL
GRANTSVILLE, UT
Silver compounds 0
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
Silver compounds 2
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
Silver compounds 606
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Silver compounds 40
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 824
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 2
WASATCH REGIONAL LANDFILL
GRANTSVILLE, UT
Naphthalene 9
US ECOLOGY IDAHO INC SITE B
GRAND VIEW, ID
Cyanide compounds 44
CLEAN HARBORS ARAGONITE, LLC
ARAGONITE, UT
Ethylene glycol 5
CLEAN HARBORS GRASSY MOUNTAIN
KNOLLS, UT
Polychlorinated biphenyls 15
WASATCH REGIONAL LANDFILL
GRANTSVILLE, UT
N,N-Dimethylaniline 8

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