Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
IATAN GENERATING STATION
Quick Summary
- •Released 1,659,326 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
-
20250 HIGHWAY 45N
WESTON, MO 64098
View on map ↗ - County
- PLATTE County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Inspections
- 3 · last Jun 17, 2025
- Total Penalties
- $0
- Registry ID
- 110042630542
How This Compares
#9
of 454 TRI reporters in MO
#54
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.
3
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
2
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
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)
-41% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 1,674,065 | — |
| 2016 | 1,451,311 | -13% |
| 2017 | 1,659,326 | +14% |
| 2018 | 1,276,758 | -23% |
| 2019 | 64,460 | -95% |
| 2020 | 1,272,679 | +1874% |
| 2021 | 1,428,749 | +12% |
| 2022 | 1,250,787 | -12% |
| 2023 | 864,730 | -31% |
| 2024 | 991,517 | +15% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 839,465 | 451 | — | 839,014 | — | |
| Manganese compounds | 36,178 | 89 | — | 36,089 | — | |
| Vanadium compounds | 29,976 | 75 | — | 29,901 | — | |
| Copper compounds | 28,916 | 87 | — | 28,829 | — | |
| Zinc compounds | 21,596 | 632 | — | 20,964 | — | |
| Ammonia | 19,383 | 19,302 | — | 81 | — | |
| Hydrogen fluoride | 6,962 | 6,962 | — | — | — | |
| Lead compounds | 6,736 | 12 | — | 6,724 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,967 | 1,967 | — | — | — | |
| Mercury compounds | 180 | 65 | — | 115 | 2 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 142 | 142 | — | — | — | |
| Naphthalene | 13 | 13 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 3 | 3 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 716,655 | 342 | — | 716,313 | — | |
| Manganese compounds | 30,614 | 74 | — | 30,540 | — | |
| Vanadium compounds | 25,698 | 64 | — | 25,634 | — | |
| Copper compounds | 25,692 | 83 | 2 | 25,607 | — | |
| Zinc compounds | 19,303 | 606 | — | 18,697 | — | |
| Ammonia | 18,969 | 18,890 | — | 79 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 10,886 | 53 | — | 10,833 | — | |
| Hydrogen fluoride | 8,166 | 8,166 | — | — | — | |
| Lead compounds | 6,278 | 34 | — | 6,243 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,187 | 2,187 | — | — | — | |
| Mercury compounds | 161 | 15 | — | 146 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 103 | 103 | — | — | — | |
| Naphthalene | 15 | 15 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 3 | 3 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2022
| 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) | — | — | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1,032,612 | 679 | — | 1,031,933 | — | |
| Manganese compounds | 43,790 | 132 | — | 43,658 | — | |
| Vanadium compounds | 36,925 | 105 | — | 36,820 | — | |
| Copper compounds | 36,353 | 126 | 4 | 36,223 | — | |
| Zinc compounds | 27,144 | 916 | — | 26,228 | — | |
| Ammonia | 25,679 | 25,572 | — | 107 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 15,597 | 91 | — | 15,506 | — | |
| Nickel compounds | 11,529 | 103 | — | 11,426 | — | ♦ Carcinogen |
| Hydrogen fluoride | 9,698 | 9,698 | — | — | — | |
| Lead compounds | 8,702 | 49 | — | 8,653 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,592 | 2,592 | — | — | — | |
| Mercury compounds | 144 | 22 | — | 122 | — | |
| Naphthalene | 18 | 18 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 3 | 3 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1,176,750 | 819 | — | 1,175,931 | — | |
| Manganese compounds | 51,439 | 161 | — | 51,278 | — | |
| Vanadium compounds | 42,178 | 127 | — | 42,051 | — | |
| Copper compounds | 41,432 | 157 | 5 | 41,270 | — | |
| Zinc compounds | 31,334 | 1,144 | — | 30,190 | — | |
| Ammonia | 28,444 | 28,325 | — | 119 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 17,880 | 112 | — | 17,768 | — | |
| Nickel compounds | 13,219 | 127 | — | 13,092 | — | ♦ Carcinogen |
| Hydrogen fluoride | 12,486 | 12,486 | — | — | — | |
| Lead compounds | 9,915 | 58 | — | 9,857 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,239 | 3,239 | — | — | — | |
| Mercury compounds | 256 | 31 | — | 225 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 148 | 148 | — | — | — | |
| Naphthalene | 23 | 23 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 4 | 4 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1,048,544 | 448 | — | 1,048,096 | — | |
| Manganese compounds | 44,516 | 96 | — | 44,420 | — | |
| Vanadium compounds | 37,525 | 78 | — | 37,447 | — | |
| Copper compounds | 37,180 | 107 | 5 | 37,068 | — | |
| Zinc compounds | 27,801 | 785 | — | 27,016 | — | |
| Ammonia | 26,267 | 26,157 | — | 110 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 15,866 | 70 | — | 15,796 | — | |
| Nickel compounds | 11,620 | 83 | — | 11,537 | — | ♦ Carcinogen |
| Hydrogen fluoride | 11,215 | 11,215 | — | — | — | |
| Lead compounds | 8,976 | 67 | — | 8,909 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,847 | 2,847 | — | — | — | |
| Mercury compounds | 234 | 33 | — | 201 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 87 | 87 | — | — | — | |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Vanadium compounds | 50,791 | 115 | — | 50,676 | — | |
| Hydrogen fluoride | 13,669 | 13,669 | — | — | — |
2018
| 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) | — | — | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1,052,104 | 413 | — | 1,051,691 | — | |
| Manganese compounds | 46,858 | 96 | — | 46,762 | — | |
| Vanadium compounds | 37,649 | 77 | — | 37,572 | — | |
| Copper compounds | 36,217 | 111 | — | 36,106 | — | |
| Zinc compounds | 27,519 | 824 | — | 26,695 | — | |
| Ammonia | 23,635 | 23,635 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 15,949 | 69 | — | 15,880 | 4 | |
| Hydrogen fluoride | 12,805 | 12,805 | — | — | — | |
| Nickel compounds | 12,145 | 86 | — | 12,059 | — | ♦ Carcinogen |
| Lead compounds | 8,507 | 116 | — | 8,391 | 4 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,145 | 3,145 | — | — | — | |
| Mercury compounds | 224 | 31 | — | 192 | — | |
| 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)) | 1,336,807 | 1,207 | — | 1,335,600 | — | |
| Manganese compounds | 70,249 | 499 | — | 69,750 | — | |
| Vanadium compounds | 70,169 | 22 | — | 70,147 | — | |
| Copper compounds | 57,757 | 215 | — | 57,542 | — | |
| Zinc compounds | 48,230 | 768 | — | 47,462 | — | |
| Nickel compounds | 22,825 | 185 | — | 22,640 | — | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 22,757 | 138 | — | 22,619 | — | |
| Lead compounds | 10,563 | 100 | — | 10,463 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 9,476 | 9,476 | — | — | — | |
| Ammonia | 4,634 | 4,440 | — | 194 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,964 | 2,964 | — | — | — | |
| Hydrogen fluoride | 2,458 | 2,458 | — | — | — | |
| Mercury compounds | 434 | 41 | — | 393 | — | |
| Polycyclic aromatic compounds | 3 | 3 | — | — | — | ♦ Carcinogen |
| 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)) | 1,165,784 | 1,404 | — | 1,164,380 | — | |
| Manganese compounds | 61,291 | 500 | — | 60,791 | — | |
| Vanadium compounds | 61,183 | 20 | — | 61,163 | — | |
| Copper compounds | 50,381 | 224 | — | 50,157 | — | |
| Zinc compounds | 42,126 | 794 | — | 41,332 | — | |
| Nickel compounds | 19,898 | 146 | — | 19,752 | — | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 19,837 | 104 | — | 19,733 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 11,685 | 11,685 | — | — | — | |
| Lead compounds | 9,199 | 60 | — | 9,139 | — | |
| Ammonia | 4,567 | 4,380 | — | 187 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,688 | 2,688 | — | — | — | |
| Hydrogen fluoride | 2,292 | 2,292 | — | — | — | |
| Mercury compounds | 377 | 32 | — | 345 | — | |
| Polycyclic aromatic compounds | 3 | 3 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1,354,352 | 1,016 | — | 1,353,336 | — | |
| Manganese compounds | 71,106 | 430 | — | 70,676 | — | |
| Vanadium compounds | 71,098 | 20 | — | 71,078 | — | |
| Copper compounds | 58,491 | 184 | — | 58,307 | — | |
| Zinc compounds | 48,752 | 656 | — | 48,096 | — | |
| Nickel compounds | 23,100 | 159 | — | 22,941 | — | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 23,039 | 119 | — | 22,920 | — | |
| Lead compounds | 10,678 | 60 | — | 10,618 | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 7,370 | 7,370 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,559 | 2,559 | — | — | — | |
| Ammonia | 2,087 | 1,980 | — | 107 | — | |
| Hydrogen fluoride | 997 | 997 | — | — | — | |
| Mercury compounds | 433 | 34 | — | 399 | — | |
| Polycyclic aromatic compounds | 3 | 3 | — | — | — | ♦ Carcinogen |
| 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 |
|---|---|---|---|---|
| Hydrogen fluoride | — | — | — | 206,986 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 124,685 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 58,587 |
| Ammonia | — | — | — | 4,163 |
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 |
|---|---|---|---|---|---|
|
LIGHTING RESOURCES, INC
GREENWOOD, IN
|
Mercury compounds | 2 | — | — | — |
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 | FRV | Jan 27, 2025 | — | Open |
| caa | FRV | May 1, 2024 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jul 18, 2023 | Aug 10, 2023 | Resolved |
| caa | FRV | Apr 19, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 28, 2018 | — | Open |
| cwa | Schedule Event reported late | Jan 28, 2018 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 28, 2017 | Apr 29, 2017 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 28, 2013 | May 20, 2013 | Resolved |
| cwa | Schedule Event unachieved but reported | Jan 28, 2013 | May 20, 2013 | Resolved |
| cwa | Schedule Event achieved late but reported | Jan 28, 2013 | — | Open |
| cwa | Schedule Event reported late | Jan 28, 2013 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Dec 13, 1996 | Dec 13, 1996 | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 335.00 mg/L | 100.00 | +235% | Feb 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 335.00 mg/L | 30.00 | +1,017% | Feb 2023 | 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.
State/local Action
Clean Air Act
· Case 3604415943 · Jun 2, 2025
State/local Action
Clean Air Act
· Case 3604115532 · Sep 16, 2024
Warning Letter
Clean Air Act
· Case 3603577373 · Apr 19, 2023
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