Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
GREEN PLAINS SUPERIOR LLC
Quick Summary
- •Released 15,162 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
-
1495 320TH AVE
SUPERIOR, IA 51363
View on map ↗ - County
- DICKINSON County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325193
- Inspections
- 4 · last Mar 28, 2025
- Total Penalties
- $0 · last Nov 10, 2011
- Registry ID
- 110035761930
How This Compares
#135
of 420 TRI reporters in IA
#3,274
of 16,877 TRI reporters in Manufacturing
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
3
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)
+60% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 15,630 | — |
| 2016 | 19,196 | +23% |
| 2017 | 15,162 | -21% |
| 2018 | 13,160 | -13% |
| 2019 | 12,220 | -7% |
| 2020 | 10,013 | -18% |
| 2021 | 10,602 | +6% |
| 2022 | 16,711 | +58% |
| 2023 | 24,250 | +45% |
| 2024 | 24,970 | +3% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Cyclohexane | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Acetaldehyde | 7,204 | 7,204 | — | — | — | ♦ Carcinogen |
| Ammonia | 4,900 | 4,900 | — | — | — | |
| Acrolein | 4,001 | 4,001 | — | — | — | ♦ Carcinogen |
| Methanol | 3,601 | 3,601 | — | — | — | |
| n-Hexane | 2,802 | 2,802 | — | — | — | |
| Formaldehyde | 1,712 | 1,712 | — | — | — | ♦ Carcinogen |
| Formic acid | 750 | 750 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Acetaldehyde | 7,105 | 7,105 | — | — | — | ♦ Carcinogen |
| Ammonia | 4,603 | 4,601 | — | 2 | — | |
| Acrolein | 3,901 | 3,901 | — | — | — | ♦ Carcinogen |
| Methanol | 3,601 | 3,601 | — | — | — | |
| n-Hexane | 2,602 | 2,602 | — | — | — | |
| Formaldehyde | 1,718 | 1,718 | — | — | — | ♦ Carcinogen |
| Formic acid | 720 | 720 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Ammonia | 4,601 | 4,601 | — | — | — | |
| n-Hexane | 3,447 | 3,447 | — | — | — | |
| Acetaldehyde | 2,705 | 2,705 | — | — | — | ♦ Carcinogen |
| Methanol | 2,101 | 2,101 | — | — | — | |
| Acrolein | 2,002 | 2,002 | — | — | — | ♦ Carcinogen |
| Formaldehyde | 1,115 | 1,115 | — | — | — | ♦ Carcinogen |
| Formic acid | 740 | 740 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Ammonia | 4,103 | 4,101 | — | 2 | — | |
| n-Hexane | 2,946 | 2,946 | — | — | — | |
| Acetaldehyde | 1,803 | 1,803 | — | — | — | ♦ Carcinogen |
| Acrolein | 641 | 641 | — | — | — | ♦ Carcinogen |
| Formic acid | 600 | 600 | — | — | — | |
| Formaldehyde | 308 | 308 | — | — | — | ♦ Carcinogen |
| Methanol | 201 | 201 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Ammonia | 3,802 | 3,800 | — | 2 | — | |
| n-Hexane | 2,758 | 2,758 | — | — | — | |
| Acetaldehyde | 1,703 | 1,703 | — | — | — | ♦ Carcinogen |
| Acrolein | 661 | 661 | — | — | — | ♦ Carcinogen |
| Formic acid | 590 | 590 | — | — | — | |
| Formaldehyde | 298 | 298 | — | — | — | ♦ Carcinogen |
| Methanol | 201 | 201 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Acetaldehyde | 4,204 | 4,204 | — | — | — | ♦ Carcinogen |
| Ammonia | 4,103 | 4,100 | — | 3 | — | |
| Formic acid | 1,600 | 1,600 | — | — | — | |
| Acrolein | 1,301 | 1,301 | — | — | — | ♦ Carcinogen |
| Formaldehyde | 571 | 571 | — | — | — | ♦ Carcinogen |
| Methanol | 441 | 441 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 3,704 | 3,704 | — | — | — | ♦ Carcinogen |
| Ammonia | 3,304 | 3,301 | — | 3 | — | |
| n-Hexane | 2,640 | 2,640 | — | — | — | |
| Formic acid | 1,600 | 1,600 | — | — | — | |
| Acrolein | 541 | 541 | — | — | — | ♦ Carcinogen |
| Methanol | 420 | 420 | — | — | — | |
| Formaldehyde | 372 | 372 | — | — | — | ♦ Carcinogen |
| Toluene | 237 | 237 | — | — | — | |
| Xylene (mixed isomers) | 227 | 227 | — | — | — | |
| Ethylbenzene | 115 | 115 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 4,507 | 4,507 | — | — | — | ♦ Carcinogen |
| Ammonia | 4,103 | 4,100 | — | 3 | — | |
| n-Hexane | 2,768 | 2,768 | — | — | — | |
| Formic acid | 1,600 | 1,600 | — | — | — | |
| Acrolein | 924 | 924 | — | — | — | ♦ Carcinogen |
| Methanol | 764 | 764 | — | — | — | |
| Formaldehyde | 496 | 496 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Ethylene glycol | — | — | — | — | — | |
| Propylene | — | — | — | — | — | |
| Cyclohexane | — | — | — | — | — | |
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 7,331 | 7,331 | — | — | — | ♦ Carcinogen |
| Ammonia | 4,603 | 4,600 | — | 3 | — | |
| n-Hexane | 3,242 | 3,242 | — | — | — | |
| Formaldehyde | 1,712 | 1,712 | — | — | — | ♦ Carcinogen |
| Acrolein | 1,004 | 1,004 | — | — | — | ♦ Carcinogen |
| Methanol | 764 | 764 | — | — | — | |
| Toluene | 228 | 228 | — | — | — | |
| Xylene (mixed isomers) | 213 | 213 | — | — | — | |
| Ethylbenzene | 99 | 99 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Propylene | — | — | — | — | — | |
| Ethylene glycol | — | — | — | — | — | |
| Cyclohexane | — | — | — | — | — | |
| Ammonia | 4,103 | 4,100 | — | 3 | — | |
| Acetaldehyde | 3,337 | 3,337 | — | — | — | ♦ Carcinogen |
| n-Hexane | 2,925 | 2,925 | — | — | — | |
| Acrolein | 2,203 | 2,203 | — | — | — | ♦ Carcinogen |
| Methanol | 1,702 | 1,702 | — | — | — | |
| Formaldehyde | 834 | 834 | — | — | — | ♦ Carcinogen |
| Toluene | 225 | 225 | — | — | — | |
| Xylene (mixed isomers) | 208 | 208 | — | — | — | |
| Ethylbenzene | 93 | 93 | — | — | — | ♦ 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 |
|---|---|---|---|---|
| n-Hexane | — | — | — | 25 |
| Formic acid | — | — | — | 46,000 |
| Acrolein | — | — | — | 240,000 |
| Acetaldehyde | — | — | — | 120,000 |
| Formaldehyde | — | — | — | 140,000 |
| Methanol | — | — | — | 280,000 |
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 | Sep 12, 2016 | — | Open |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jun 2, 2014 | Aug 11, 2014 | 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 |
|---|---|---|---|---|---|---|
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.81 mg/L | 1.02 | +78% | Oct 2025 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 3.09 kg/d | 2.20 | +41% | Oct 2025 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,384.00 mg/L | 1,360.00 | +2% | Mar 2024 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,397.00 mg/L | 1,360.00 | +3% | Nov 2023 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 2,902.00 kg/d | 2,825.24 | +3% | Nov 2021 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 2,902.00 kg/d | 2,825.24 | +3% | Nov 2021 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,710.00 mg/L | 1,360.00 | +26% | Sep 2021 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,440.00 mg/L | 1,360.00 | +6% | Jul 2020 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 3,846.53 kg/d | 2,825.24 | +36% | Apr 2020 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,440.00 mg/L | 1,360.00 | +6% | Apr 2020 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.40 mg/L | 1.02 | +38% | Feb 2019 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 2.25 kg/d | 2.20 | +3% | Feb 2019 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.29 mg/L | 1.02 | +27% | Feb 2019 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,520.00 mg/L | 1,360.00 | +12% | Sep 2017 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,420.00 mg/L | 1,360.00 | +4% | Jul 2017 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,440.00 mg/L | 1,360.00 | +6% | Mar 2017 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 3,944.14 kg/d | 2,825.24 | +40% | Mar 2017 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 3,123.36 kg/d | 2,825.24 | +11% | Mar 2017 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,400.00 mg/L | 1,360.00 | +3% | Oct 2016 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,680.00 mg/L | 1,360.00 | +24% | Sep 2016 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,506.67 mg/L | 1,360.00 | +11% | Sep 2016 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,380.00 mg/L | 1,360.00 | +1% | Aug 2016 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,380.00 mg/L | 1,360.00 | +1% | Aug 2016 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,560.00 mg/L | 1,360.00 | +15% | Apr 2016 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,560.00 mg/L | 1,360.00 | +15% | Apr 2016 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,380.00 mg/L | 1,360.00 | +1% | Sep 2015 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,380.00 mg/L | 1,360.00 | +1% | Sep 2015 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,380.00 mg/L | 1,360.00 | +1% | Apr 2015 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,380.00 mg/L | 1,360.00 | +1% | Apr 2015 | 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.
Notice of Violation
Clean Air Act
· Case 3600802126 · Sep 12, 2016
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-IAR000518027-001 · Jun 11, 2014
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