Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
IPL - OTTUMWA GENERATING STATION
Quick Summary
- •Released 337,094 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
-
20775 POWER PLANT RD
OTTUMWA, IA 52501
View on map ↗ - County
- WAPELLO County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Inspections
- 5 · last Dec 11, 2025
- Total Penalties
- $0 · last Sep 2, 2015
- Registry ID
- 110000415202
How This Compares
#20
of 420 TRI reporters in IA
#166
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
8
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)
-92% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 349,961 | — |
| 2016 | 233,457 | -33% |
| 2017 | 337,094 | +44% |
| 2018 | 311,187 | -8% |
| 2019 | 174,246 | -44% |
| 2020 | 67,063 | -62% |
| 2021 | 121,817 | +82% |
| 2022 | 83,116 | -32% |
| 2023 | 79,416 | -4% |
| 2024 | 29,096 | -63% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 24,497 | 24,497 | — | — | — | |
| Hydrogen fluoride | 2,570 | 2,570 | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1,184 | 671 | 513 | — | 16,935 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 430 | 430 | — | — | — | |
| Manganese compounds | 167 | 135 | 32 | — | 2,448 | |
| Copper compounds | 110 | 73 | 37 | — | 753 | |
| Vanadium compounds | 59 | 59 | — | — | 5,774 | |
| Lead compounds | 24 | 23 | 0 | — | 184 | |
| Polycyclic aromatic compounds | 19 | 19 | — | — | — | ♦ Carcinogen |
| Naphthalene | 19 | 19 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 16 | 16 | 0 | — | 166 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 67,734 | 67,734 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,392 | 4,392 | — | — | — | |
| Hydrogen fluoride | 4,170 | 4,170 | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1,460 | 1,010 | 450 | — | 9,464 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 698 | 698 | — | — | — | |
| Zinc compounds | 385 | 376 | 9 | — | 3,029 | |
| Manganese compounds | 221 | 193 | 28 | — | 3,819 | |
| Copper compounds | 145 | 113 | 32 | — | 1,838 | |
| Vanadium compounds | 92 | 92 | — | — | 4,754 | |
| Lead compounds | 38 | 38 | 0 | — | 403 | |
| Naphthalene | 30 | 30 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 29 | 28 | 0 | — | 183 | |
| Polycyclic aromatic compounds | 21 | 21 | — | — | — | ♦ 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 | |
|---|---|---|---|---|---|---|
| Ammonia | 71,446 | 71,446 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,607 | 4,607 | — | — | — | |
| Hydrogen fluoride | 4,431 | 4,431 | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 1,163 | 568 | 595 | — | 34,235 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 743 | 743 | — | — | — | |
| Zinc compounds | 307 | 293 | 14 | — | 2,259 | |
| Manganese compounds | 147 | 117 | 30 | — | 3,990 | |
| Copper compounds | 109 | 83 | 26 | — | 1,767 | |
| Vanadium compounds | 54 | 54 | — | — | 2,206 | |
| Mercury compounds | 32 | 32 | 0 | — | 0 | |
| Naphthalene | 31 | 31 | — | — | — | ♦ Carcinogen |
| Lead compounds | 23 | 22 | 0 | — | 410 | |
| Polycyclic aromatic compounds | 22 | 22 | — | — | — | ♦ 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 | |
|---|---|---|---|---|---|---|
| Ammonia | 106,617 | 106,617 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 5,581 | 5,581 | — | — | — | |
| Hydrogen fluoride | 5,316 | 5,316 | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 2,213 | 716 | 1,497 | — | 83,263 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 890 | 890 | — | — | — | |
| Zinc compounds | 401 | 358 | 43 | — | 7,084 | |
| Nickel compounds | 208 | 101 | 107 | — | 3,573 | ♦ Carcinogen |
| Manganese compounds | 187 | 133 | 54 | — | 21,527 | |
| Copper compounds | 111 | 98 | 13 | — | 10,589 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 99 | 68 | 31 | — | 4,578 | |
| Vanadium compounds | 64 | 64 | — | — | 14,805 | |
| Mercury compounds | 40 | 40 | — | — | 231 | |
| Naphthalene | 39 | 39 | — | — | — | ♦ Carcinogen |
| Lead compounds | 28 | 27 | 1 | — | 1,937 | |
| Polycyclic aromatic compounds | 23 | 23 | — | — | — | ♦ 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 | |
|---|---|---|---|---|---|---|
| Ammonia | 44,911 | 44,911 | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 12,338 | 490 | 1,305 | 10,543 | 71,446 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3,565 | 3,565 | — | — | — | |
| Hydrogen fluoride | 3,304 | 3,304 | — | — | — | |
| Manganese compounds | 911 | 100 | 49 | 762 | 14,682 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 553 | 553 | — | — | — | |
| Vanadium compounds | 515 | 49 | — | 466 | 10,082 | |
| Zinc compounds | 331 | 203 | 37 | 91 | 7,640 | |
| Copper compounds | 328 | 70 | 11 | 247 | 8,337 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 198 | 52 | 27 | 119 | 3,540 | |
| Lead compounds | 39 | 19 | 1 | 19 | 1,464 | |
| Naphthalene | 26 | 26 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 23 | 23 | — | — | 402 | |
| Polycyclic aromatic compounds | 21 | 21 | — | — | — | ♦ 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 | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 166,189 | 951 | 1,140 | 164,098 | 33,934 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 5,195 | 5,195 | — | — | — | |
| Copper compounds | 2,862 | 100 | 10 | 2,752 | 7,084 |
2018
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 278,906 | 1,988 | 946 | 275,972 | 76,193 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 16,493 | 16,493 | — | — | — | |
| Manganese compounds | 14,522 | 597 | 59 | 13,866 | 4,704 | |
| Vanadium compounds | 9,008 | 79 | — | 8,929 | 2,555 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 5,104 | 5,104 | — | — | — | |
| Copper compounds | 4,984 | 59 | 8 | 4,917 | 2,122 | |
| Hydrogen fluoride | 4,955 | 4,955 | — | — | — | |
| Zinc compounds | 2,572 | 54 | 29 | 2,489 | 3,856 | |
| Lead compounds | 458 | 92 | 0 | 365 | 530 | |
| Mercury compounds | 35 | 35 | 0 | 0 | 296 | |
| Naphthalene | 34 | 34 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 21 | 21 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 186,896 | 2,435 | 941 | 183,519 | 114,983 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 14,995 | 14,995 | — | — | — | |
| Manganese compounds | 9,473 | 537 | 45 | 8,892 | 7,581 | |
| Vanadium compounds | 6,781 | 112 | — | 6,669 | 4,418 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,681 | 4,681 | — | — | — | |
| Hydrogen fluoride | 4,507 | 4,507 | — | — | — | |
| Copper compounds | 3,948 | 85 | 26 | 3,836 | 3,134 | |
| Zinc compounds | 1,662 | 78 | 28 | 1,556 | 3,676 | |
| Lead compounds | 439 | 84 | 131 | 224 | 419 | |
| Naphthalene | 32 | 32 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 22 | 22 | 0 | 0 | 341 | |
| Polycyclic aromatic compounds | 22 | 22 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 1 | 1 | — | — | — | ♦ Carcinogen |
| Benzo[g,h,i]perylene | 0 | 0 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 166,565 | 1,253 | 1,197 | 164,115 | 174,529 | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 162,136 | 162,136 | — | — | — | |
| Manganese compounds | 7,021 | 526 | 45 | 6,450 | 10,917 | |
| Vanadium compounds | 6,427 | 100 | — | 6,328 | 9,901 | |
| Copper compounds | 3,748 | 73 | 34 | 3,642 | 6,603 | |
| Zinc compounds | 1,817 | 64 | 34 | 1,719 | 5,511 | |
| Hydrogen fluoride | 1,667 | 1,667 | — | — | — | |
| Lead compounds | 338 | 89 | 170 | 80 | 3,982 | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 135 | 135 | — | — | — | |
| Mercury compounds | 51 | 51 | 0 | 0 | 407 | |
| Naphthalene | 32 | 32 | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 22 | 22 | — | — | — | ♦ 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.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Hydrogen fluoride | — | — | — | 119,624 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 143,644 |
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 |
|---|---|---|---|---|---|
|
OTTUMWA MIDLAND LANDFILL
OTTUMWA, IA
|
Lead compounds | 183 | — | — | — |
|
OTTUMWA-WAPELLO CNTY LANDFILL
OTTUMWA, IA
|
Lead compounds | 2 | — | — | — |
|
OTTUMWA MIDLAND LANDFILL
OTTUMWA, IA
|
Vanadium compounds | 969 | — | — | — |
|
OTTUMWA-WAPELLO CNTY LANDFILL
OTTUMWA, IA
|
Vanadium compounds | 4,805 | — | — | — |
|
OTTUMWA MIDLAND LANDFILL
OTTUMWA, IA
|
Copper compounds | 746 | — | — | — |
|
OTTUMWA-WAPELLO CNTY LANDFILL
OTTUMWA, IA
|
Copper compounds | 7 | — | — | — |
|
OTTUMWA MIDLAND LANDFILL
OTTUMWA, IA
|
Mercury compounds | 166 | — | — | — |
|
OTTUMWA-WAPELLO CNTY LANDFILL
OTTUMWA, IA
|
Mercury compounds | — | — | — | — |
|
OTTUMWA MIDLAND LANDFILL
OTTUMWA, IA
|
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 16,772 | — | — | — |
|
OTTUMWA-WAPELLO CNTY LANDFILL
OTTUMWA, IA
|
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 163 | — | — | — |
|
OTTUMWA MIDLAND LANDFILL
OTTUMWA, IA
|
Manganese compounds | 2,435 | — | — | — |
|
OTTUMWA-WAPELLO CNTY LANDFILL
OTTUMWA, IA
|
Manganese compounds | 13 | — | — | — |
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 |
|---|---|---|---|---|
| cwa | Schedule Event achieved late but reported | Jun 1, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | May 1, 2019 | — | Open |
| cwa | Schedule Event reported late | May 1, 2019 | — | Open |
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 | 56.00 mg/L | 50.00 | +12% | Oct 2024 | Open |
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 1.03 mg/L | 0.09 | +1,078% | May 2024 | Resolved |
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 2.20 kg/d | 1.65 | +33% | May 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 39.15 mg/L | 30.00 | +31% | May 2024 | Open |
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 1.22 mg/L | 0.75 | +63% | May 2024 | Open |
| Chromium, hexavalent [as Cr] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +38% | Apr 2024 | Open |
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 2.03 mg/L | 0.75 | +171% | Apr 2024 | Open |
| Chromium, hexavalent [as Cr] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.01 | +25% | Apr 2024 | Open |
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 1.22 mg/L | 0.09 | +1,305% | Apr 2024 | Resolved |
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 2.18 mg/L | 0.75 | +191% | Jan 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 44.50 mg/L | 30.00 | +48% | Jan 2024 | Open |
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 1.28 mg/L | 0.09 | +1,370% | Jan 2024 | Resolved |
| Chromium, hexavalent [as Cr] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.01 | +49% | Jul 2023 | Resolved |
| Chromium, hexavalent [as Cr] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +14% | Jul 2023 | Open |
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 0.34 mg/L | 0.09 | +293% | Jul 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 52.00 mg/L | 30.00 | +73% | Jul 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 49.00 mg/L | 30.00 | +63% | Jun 2023 | Resolved |
| Chromium, hexavalent [as Cr] | DMR, Limited - Numeric Violation | 0.08 mg/L | 0.01 | +646% | Jun 2023 | Resolved |
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 0.22 mg/L | 0.09 | +148% | Jun 2023 | Resolved |
| Chromium, hexavalent [as Cr] | DMR, Limited - Numeric Violation | 0.08 mg/L | 0.02 | +413% | Jun 2023 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 472.00 mg/L | 389.00 | +21% | Apr 2023 | Open |
| Chloride [as Cl] | DMR, Limited - Numeric Violation | 796.00 mg/L | 629.00 | +27% | Apr 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.00 mg/L | 30.00 | +3% | Nov 2022 | Open |
| Chlorine, free available | DMR, Limited - Numeric Violation | 0.38 kg/d | 0.15 | +164% | Oct 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 71.50 mg/L | 50.00 | +43% | Sep 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.00 mg/L | 30.00 | +33% | May 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 07-2012-0185 · Sep 2, 2015
$1,100,000
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