Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
PACIFICORP - NAUGHTON PLANT
Quick Summary
- •Released 716,446 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 chemicals classified as known or probable carcinogens.
- Address
-
HWY 189 6.5 MI SW OF KEMMERER
KEMMERER, WY 83101
View on map ↗ - County
- LINCOLN County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Inspections
- 14 · last Feb 4, 2026
- Total Penalties
- $0 · last Nov 1, 2017
- Registry ID
- 110042054013
How This Compares
#8
of 64 TRI reporters in WY
#123
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
12
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
1
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)
-55% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 1,014,212 | — |
| 2016 | 788,769 | -22% |
| 2017 | 716,446 | -9% |
| 2018 | 672,870 | -6% |
| 2019 | 409,679 | -39% |
| 2020 | 654,259 | +60% |
| 2021 | 518,430 | -21% |
| 2022 | 287,070 | -45% |
| 2023 | 515,725 | +80% |
| 2024 | 455,271 | -12% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | — | — | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 358,672 | 14,150 | 1,322 | 343,200 | — | |
| Manganese compounds | 75,324 | 2,953 | 1 | 72,370 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 15,272 | 15,272 | — | — | — | |
| Lead compounds | 3,155 | 185 | — | 2,970 | 1 | |
| Hydrogen fluoride | 2,216 | 2,216 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 601 | 601 | — | — | — | |
| Mercury compounds | 31 | 12 | — | 19 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | — | — | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 390,571 | 13,878 | 993 | 375,700 | — | |
| Manganese compounds | 102,892 | 3,622 | — | 99,270 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 14,422 | 14,422 | — | — | — | |
| Hydrogen fluoride | 3,671 | 3,671 | — | — | — | |
| Lead compounds | 3,436 | 183 | — | 3,253 | 3 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 699 | 699 | — | — | — | |
| Mercury compounds | 34 | 14 | — | 19 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | — | — | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 177,080 | 6,523 | 857 | 169,700 | — | |
| Manganese compounds | 74,977 | 2,727 | — | 72,250 | — | |
| Vanadium compounds | 20,175 | 825 | — | 19,350 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 8,395 | 8,395 | — | — | — | |
| Lead compounds | 3,389 | 179 | — | 3,210 | 19 | |
| Hydrogen fluoride | 2,066 | 2,066 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 955 | 955 | — | — | — | |
| Mercury compounds | 33 | 16 | — | 17 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | — | — | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 337,504 | 10,205 | 699 | 326,600 | — | |
| Manganese compounds | 138,835 | 4,135 | — | 134,700 | — | |
| Vanadium compounds | 24,399 | 819 | — | 23,580 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 10,280 | 10,280 | — | — | — | |
| Lead compounds | 4,093 | 178 | — | 3,915 | 4 | |
| Hydrogen fluoride | 2,599 | 2,599 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 680 | 680 | — | — | — | |
| Mercury compounds | 40 | 14 | — | 26 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | — | — | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 489,992 | 10,342 | 50 | 479,600 | — | |
| Manganese compounds | 87,021 | 1,861 | 10 | 85,150 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 39,260 | 39,260 | — | — | — | |
| Vanadium compounds | 29,214 | 694 | — | 28,520 | — | |
| Lead compounds | 4,870 | 155 | 0 | 4,714 | 1 | |
| Hydrogen fluoride | 2,991 | 2,991 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 864 | 864 | — | — | — | |
| Mercury compounds | 47 | 18 | 0 | 29 | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | — | — | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 273,908 | 8,868 | 40 | 265,000 | — | |
| Manganese compounds | 75,449 | 2,491 | 8 | 72,950 | 0 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 30,434 | 30,434 | — | — | — | |
| Vanadium compounds | 20,188 | 708 | — | 19,480 | — | |
| Hydrogen fluoride | 4,692 | 4,692 | — | — | — | |
| Lead compounds | 3,716 | 157 | 0 | 3,559 | 12 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,255 | 1,255 | — | — | — | |
| Mercury compounds | 38 | 22 | 0 | 15 | 2 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 314,675 | 5,508 | 67 | 309,100 | — | |
| Manganese compounds | 233,441 | 4,127 | 14 | 229,300 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 45,304 | 45,304 | — | — | — | |
| Vanadium compounds | 40,221 | 801 | — | 39,420 | — | |
| Zinc compounds | 21,088 | 1,306 | 7 | 19,775 | 65 | |
| Hydrogen fluoride | 9,018 | 9,018 | — | — | — | |
| Lead compounds | 7,059 | 197 | 0 | 6,861 | 10 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,959 | 1,959 | — | — | — | |
| Mercury compounds | 104 | 39 | 0 | 66 | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 421,587 | 6,429 | 758 | 414,400 | — | |
| Manganese compounds | 159,686 | 2,528 | 158 | 157,000 | — | |
| Vanadium compounds | 44,389 | 789 | — | 43,600 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 28,752 | 28,752 | — | — | — | |
| Zinc compounds | 27,350 | 1,496 | 79 | 25,775 | 60 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 18,507 | 362 | 105 | 18,040 | — | |
| Lead compounds | 7,404 | 198 | 4 | 7,202 | 152 | |
| Hydrogen fluoride | 6,347 | 6,347 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,307 | 2,307 | — | — | — | |
| Mercury compounds | 117 | 48 | 2 | 67 | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 429,031 | 3,224 | 307 | 425,500 | — | |
| Manganese compounds | 189,032 | 1,568 | 64 | 187,400 | 11 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 75,162 | 75,162 | — | — | — | |
| Vanadium compounds | 50,321 | 481 | — | 49,840 | — | |
| Zinc compounds | 26,650 | 1,311 | 319 | 25,020 | 5,963 | |
| Lead compounds | 8,390 | 144 | — | 8,246 | 48 | |
| Hydrogen fluoride | 7,056 | 7,056 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,042 | 3,042 | — | — | — | |
| Mercury compounds | 84 | 41 | — | 43 | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 491,979 | 3,405 | 274 | 488,300 | — | |
| Manganese compounds | 260,688 | 1,931 | 57 | 258,700 | 23 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 102,985 | 102,985 | — | — | — | |
| Vanadium compounds | 50,546 | 456 | — | 50,090 | — | |
| Zinc compounds | 47,462 | 1,724 | 286 | 45,452 | 12,650 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 20,979 | 266 | 143 | 20,570 | — | |
| Nickel compounds | 20,112 | 261 | 143 | 19,708 | 229 | ♦ Carcinogen |
| Lead compounds | 8,428 | 143 | — | 8,285 | 23 | |
| Hydrogen fluoride | 8,124 | 8,124 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,818 | 2,818 | — | — | — | |
| Mercury compounds | 90 | 37 | — | 53 | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ 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 |
|---|---|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 64,048 |
| Hydrogen fluoride | — | — | — | 66,424 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 22,296 |
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 |
|---|---|---|---|---|---|
|
US ECOLOGY OF IDAHO, INC.
GRAND VIEW, ID
|
Lead compounds | 1 | — | — | — |
|
THERMO FLUIDS INC.
WOODS CROSS, UT
|
Lead compounds | 1 | — | — | — |
|
THERMO FLUIDS INC.
WOODS CROSS, UT
|
Dioxin and dioxin-like compounds | — | — | — | — |
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 | Standards Applicable to Generators of HW: General | Feb 4, 2026 | Feb 4, 2026 | Resolved |
| cwa | WW Storm Water Non-Construction - Failure to Conduct Inspections | Sep 12, 2025 | — | Open |
| cwa | WW Storm Water Non-Construction - Failure to Maintain Records | Sep 12, 2025 | — | Open |
| cwa | WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP | Sep 12, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Aug 22, 2025 | — | Open |
| cwa | Monitoring Violations - Frequency of Sampling Violation | Aug 22, 2025 | — | Open |
| cwa | WW Storm Water Non-Construction - Failure to Maintain Records | Aug 20, 2025 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Aug 4, 2025 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Aug 4, 2025 | — | Open |
| cwa | WW Storm Water Non-Construction - Failure to properly install/implement BMPs | Jun 1, 2017 | — | Open |
| cwa | WW Storm Water Non-Construction - Failure to Implement SWPPP/SWMP | May 31, 2017 | — | Open |
| cwa | WW Storm Water Non-Construction - Failure to properly install/implement BMPs | May 31, 2017 | — | Open |
| cwa | WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP | May 31, 2017 | — | Open |
| cwa | WW Storm Water Non-Construction - Failure to properly operate and maintain BMPs | May 31, 2017 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | May 24, 2017 | — | Open |
| caa | HPV | Feb 7, 2017 | Mar 21, 2019 | Resolved |
| rcra | Standards for Used Oil: Generators | Sep 22, 2003 | Aug 11, 2004 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Aug 25, 1998 | Oct 1, 1998 | Resolved |
| rcra | Standards for Used Oil: Generators | Aug 25, 1998 | Sep 10, 1998 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Sep 28, 1996 | Nov 20, 1996 | Resolved |
| rcra | Standards for Used Oil: Generators | Sep 23, 1996 | Nov 20, 1996 | 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.
Judicial
Clean Air Act
· Case 3600961135 · Nov 1, 2017
$3,500
Notice of Violation
Clean Air Act
· Case 3600961134 · Feb 14, 2017
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-WYT000010082-001 · Oct 3, 2003
INITIAL CIVIL JUDICIAL ACTION FOR COMPLIANCE AND/OR MONETARY PENALTY
RCRA (Hazardous Waste)
· Case RCRA-WYT000010082-1 · Oct 19, 1998
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