TRI Reporter
Clean Air Act
Clean Water Act
RCRA
BONANZA POWER PLANT
Quick Summary
- •Released 1,911,792 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
-
12500 EAST 25500 SOUTH
VERNAL, UT 84078
View on map ↗ - County
- UINTAH County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Inspections
- 7 · last Jun 9, 2025
- Total Penalties
- $0 · last Jun 28, 2013
- Registry ID
- 110015757670
How This Compares
#6
of 213 TRI reporters in UT
#47
of 584 TRI reporters in Utilities
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)
-69% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 2,212,273 | — |
| 2016 | 2,000,240 | -10% |
| 2017 | 1,911,792 | -4% |
| 2018 | 1,120,882 | -41% |
| 2019 | 1,083,652 | -3% |
| 2020 | 861,751 | -20% |
| 2021 | 821,904 | -5% |
| 2022 | 753,714 | -8% |
| 2023 | 614,028 | -19% |
| 2024 | 682,001 | +11% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 512,280 | 2,280 | — | 510,000 | — | |
| Manganese compounds | 65,118 | 118 | — | 65,000 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 27,038 | 38 | — | 27,000 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 15,000 | 15,000 | — | — | — | |
| Vanadium compounds | 14,061 | 61 | — | 14,000 | — | |
| Zinc (fume or dust) | 12,018 | 18 | — | 12,000 | — | |
| Lead compounds | 11,032 | 32 | — | 11,000 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 11,000 | 11,000 | — | — | — | |
| Copper compounds | 8,075 | 30 | — | 8,045 | — | |
| Hydrogen fluoride | 6,300 | 6,300 | — | — | — | |
| Mercury compounds | 78 | 0 | — | 78 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 442,160 | 2,160 | — | 440,000 | — | |
| Manganese compounds | 66,129 | 129 | — | 66,000 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 28,038 | 38 | — | 28,000 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 16,000 | 16,000 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 13,000 | 13,000 | — | — | — | |
| Vanadium compounds | 12,058 | 58 | — | 12,000 | — | |
| Zinc (fume or dust) | 12,018 | 18 | — | 12,000 | — | |
| Lead compounds | 11,031 | 31 | — | 11,000 | — | |
| Copper compounds | 6,817 | 30 | — | 6,787 | — | |
| Hydrogen fluoride | 6,700 | 6,700 | — | — | — | |
| Mercury compounds | 77 | 0 | — | 77 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 541,530 | 1,530 | — | 540,000 | — | |
| Manganese compounds | 86,077 | 77 | — | 86,000 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 36,027 | 27 | — | 36,000 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 16,000 | 16,000 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 16,000 | 16,000 | — | — | — | |
| Vanadium compounds | 15,040 | 40 | — | 15,000 | — | |
| Zinc (fume or dust) | 15,013 | 13 | — | 15,000 | — | |
| Lead compounds | 13,021 | 21 | — | 13,000 | — | |
| Copper compounds | 8,208 | 21 | — | 8,187 | — | |
| Hydrogen fluoride | 6,700 | 6,700 | — | — | — | |
| Mercury compounds | 98 | 0 | — | 98 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 601,560 | 1,560 | — | 600,000 | — | |
| Manganese compounds | 91,188 | 111 | — | 91,077 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 38,037 | 30 | — | 38,007 | — | |
| Vanadium compounds | 16,041 | 41 | — | 16,000 | — | |
| Zinc (fume or dust) | 16,013 | 13 | — | 16,000 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 16,000 | 16,000 | — | — | — | |
| Lead compounds | 14,022 | 22 | — | 14,000 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 14,000 | 14,000 | — | — | — | |
| Copper compounds | 9,242 | 21 | — | 9,221 | — | |
| Hydrogen fluoride | 5,700 | 5,700 | — | — | — | |
| Mercury compounds | 101 | 1 | — | 100 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 651,860 | 1,860 | — | 650,000 | 10,935 | |
| Manganese compounds | 83,096 | 96 | — | 83,000 | 483 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 35,033 | 33 | — | 35,000 | 168 | |
| Vanadium compounds | 17,048 | 48 | — | 17,000 | 294 | |
| Zinc (fume or dust) | 15,015 | 15 | — | 15,000 | 84 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 15,000 | 15,000 | — | — | — | |
| Lead compounds | 14,026 | 26 | — | 14,000 | 157 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 14,000 | 14,000 | — | — | — | |
| Copper compounds | 9,924 | 24 | — | 9,900 | 147 | |
| Hydrogen fluoride | 6,400 | 6,400 | — | — | — | |
| Ethylene glycol | 250 | — | — | 250 | 16,500 | |
| Mercury compounds | 100 | 1 | — | 99 | 1 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 711,690 | 1,690 | — | 710,000 | — | |
| Manganese compounds | 180,172 | 172 | — | 180,000 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 64,033 | 33 | — | 64,000 | — | |
| Zinc (fume or dust) | 27,015 | 15 | — | 27,000 | — | |
| Lead compounds | 21,028 | 28 | — | 21,000 | — | |
| Vanadium compounds | 18,042 | 42 | — | 18,000 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 17,000 | 17,000 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 17,000 | 17,000 | — | — | — | |
| Copper compounds | 12,024 | 24 | — | 12,000 | — | |
| Nickel compounds | 8,215 | 15 | — | 8,200 | — | ♦ Carcinogen |
| Hydrogen fluoride | 7,300 | 7,300 | — | — | — | |
| Mercury compounds | 133 | 3 | — | 130 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 821,320 | 1,320 | — | 820,000 | — | |
| Manganese compounds | 140,143 | 143 | — | 140,000 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 42,028 | 28 | — | 42,000 | — | |
| Vanadium compounds | 21,033 | 33 | — | 21,000 | — | |
| Lead compounds | 18,023 | 23 | — | 18,000 | — | |
| Zinc (fume or dust) | 18,012 | 12 | — | 18,000 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 17,000 | 17,000 | — | — | — | |
| Copper compounds | 14,019 | 19 | — | 14,000 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 14,000 | 14,000 | — | — | — | |
| Nickel compounds | 8,113 | 13 | — | 8,100 | — | ♦ Carcinogen |
| Hydrogen fluoride | 7,100 | 7,100 | — | — | — | |
| Mercury compounds | 91 | 1 | — | 90 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1,463,368 | 1,168 | — | 1,462,200 | — | |
| Manganese compounds | 186,722 | 95 | — | 186,627 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 73,222 | 32 | — | 73,190 | — | |
| Vanadium compounds | 38,453 | 41 | — | 38,412 | — | |
| Zinc (fume or dust) | 34,629 | 18 | — | 34,611 | — | |
| Lead compounds | 32,805 | 28 | — | 32,777 | — | |
| Copper compounds | 22,989 | 15 | — | 22,974 | — | |
| Nickel compounds | 21,082 | 15 | — | 21,067 | — | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 16,276 | 16,276 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 15,007 | 15,007 | — | — | — | |
| Hydrogen fluoride | 6,855 | 6,855 | — | — | — | |
| Mercury compounds | 383 | 4 | — | 379 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1,535,371 | 1,116 | — | 1,534,255 | — | |
| Manganese compounds | 194,723 | 174 | — | 194,549 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 76,244 | 50 | — | 76,194 | — | |
| Vanadium compounds | 40,423 | 39 | — | 40,384 | — | |
| Zinc (fume or dust) | 36,103 | 17 | — | 36,086 | — | |
| Lead compounds | 34,337 | 28 | — | 34,309 | — | |
| Copper compounds | 24,117 | 14 | — | 24,103 | — | |
| Nickel compounds | 22,145 | 27 | — | 22,118 | — | ♦ Carcinogen |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 15,292 | 15,292 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 14,993 | 14,993 | — | — | — | |
| Hydrogen fluoride | 6,314 | 6,314 | — | — | — | |
| Mercury compounds | 178 | 1 | — | 177 | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1,702,915 | 1,283 | — | 1,701,632 | 36,817 | |
| Manganese compounds | 211,755 | 109 | — | 211,646 | 2,432 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 82,588 | 36 | — | 82,552 | 770 | |
| Vanadium compounds | 45,091 | 44 | — | 45,047 | 1,108 | |
| Zinc (fume or dust) | 39,297 | 20 | — | 39,277 | 462 | |
| Lead compounds | 37,814 | 31 | — | 37,783 | 677 | |
| Copper compounds | 26,772 | 17 | — | 26,755 | 616 | |
| Nickel compounds | 24,591 | 17 | — | 24,574 | 554 | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 17,136 | 17,136 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 16,917 | 16,917 | — | — | — | |
| Hydrogen fluoride | 7,217 | 7,217 | — | — | — | |
| Mercury compounds | 180 | 1 | — | 179 | 2 |
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 | — | — | — | 240,000 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 290,000 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 260,000 |
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
· Case 08-2013-0086 · Jun 28, 2013
$35,000
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