Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
POET BIOREFINING - SHELL ROCK ETHANOL
Quick Summary
- •Released 17,231 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 $10,000 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
30750 212TH STREET
SHELL ROCK, IA 50670
View on map ↗ - County
- BUTLER County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325193
- Inspections
- 5 · last Jun 26, 2025
- Total Penalties
- $10,000 · last Jul 5, 2024
- Registry ID
- 110030490494
How This Compares
#126
of 420 TRI reporters in IA
#3,070
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.
9
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
1
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)
+317% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 24,771 | — |
| 2016 | 22,936 | -7% |
| 2017 | 17,231 | -25% |
| 2018 | 11,380 | -34% |
| 2019 | 895 | -92% |
| 2020 | 15,458 | +1627% |
| 2021 | 40,190 | +160% |
| 2022 | 45,673 | +14% |
| 2023 | 141,817 | +211% |
| 2024 | 103,216 | -27% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Nitric acid | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | — | — | — | — | — | |
| Cyclohexane | — | — | — | — | — | |
| Acetaldehyde | 61,848 | 61,848 | — | — | — | ♦ Carcinogen |
| Methanol | 15,466 | 15,466 | — | — | 825 | |
| Acrolein | 15,230 | 15,230 | — | — | — | ♦ Carcinogen |
| Formic acid | 5,752 | 5,752 | — | — | — | |
| n-Hexane | 4,920 | 4,920 | — | — | 75 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | — | |
| Toluene | — | — | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | — | — | — | — | — | |
| Nitric acid | — | — | — | — | — | |
| Ethylene glycol | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 89,110 | 89,110 | — | — | — | ♦ Carcinogen |
| Formic acid | 27,000 | 27,000 | — | — | — | |
| Acrolein | 14,079 | 14,079 | — | — | — | ♦ Carcinogen |
| Methanol | 6,800 | 6,800 | — | — | 57 | |
| n-Hexane | 4,828 | 4,828 | — | — | 3 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | — | |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | — | — | — | — | — | |
| Toluene | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Nitric acid | — | — | — | — | — | |
| Acetaldehyde | 19,092 | 19,092 | — | — | — | ♦ Carcinogen |
| Acrolein | 10,075 | 10,075 | — | — | — | ♦ Carcinogen |
| Formic acid | 8,700 | 8,700 | — | — | — | |
| n-Hexane | 4,412 | 4,412 | — | — | 10 | |
| Methanol | 3,394 | 3,394 | — | — | 90 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | — | — | — | — | — | |
| Nitric acid | — | — | — | — | — | |
| Toluene | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Cyclohexane | — | — | — | — | — | |
| Acetaldehyde | 19,095 | 19,095 | — | — | — | ♦ Carcinogen |
| Formic acid | 8,400 | 8,400 | — | — | — | |
| Acrolein | 8,269 | 8,269 | — | — | — | ♦ Carcinogen |
| Methanol | 2,989 | 2,989 | — | — | 268 | |
| Formaldehyde | 1,437 | 1,437 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Toluene | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Nitric acid | — | — | — | — | — | |
| Acetaldehyde | 10,036 | 10,036 | — | — | — | ♦ Carcinogen |
| Formic acid | 2,100 | 2,100 | — | — | — | |
| Methanol | 2,021 | 2,021 | — | — | 1 | |
| Formaldehyde | 1,001 | 1,001 | — | — | — | ♦ Carcinogen |
| n-Hexane | 300 | 300 | — | — | 1 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Formaldehyde | 895 | 895 | — | — | — | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Toluene | — | — | — | — | — | |
| Acetaldehyde | 5,949 | 5,949 | — | — | — | ♦ Carcinogen |
| Formic acid | 2,700 | 2,700 | — | — | — | |
| Methanol | 1,627 | 1,627 | — | — | 14 | |
| Formaldehyde | 824 | 824 | — | — | — | ♦ Carcinogen |
| n-Hexane | 280 | 280 | — | — | 1 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Acetaldehyde | 12,052 | 12,052 | — | — | — | ♦ Carcinogen |
| Formic acid | 2,800 | 2,800 | — | — | — | |
| Methanol | 1,338 | 1,338 | — | — | 27 | |
| Formaldehyde | 764 | 764 | — | — | — | ♦ Carcinogen |
| n-Hexane | 277 | 277 | — | — | 5 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 17,081 | 17,081 | — | — | — | ♦ Carcinogen |
| Formic acid | 3,500 | 3,500 | — | — | — | |
| Methanol | 1,332 | 1,332 | — | — | 24 | |
| Formaldehyde | 764 | 764 | — | — | — | ♦ Carcinogen |
| n-Hexane | 259 | 259 | — | — | 90 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 11,150 | 11,150 | — | — | — | ♦ Carcinogen |
| Acrolein | 8,001 | 8,001 | — | — | — | ♦ Carcinogen |
| Formic acid | 2,901 | 2,901 | — | — | — | |
| Methanol | 1,463 | 1,463 | — | — | 13 | |
| Formaldehyde | 1,003 | 1,003 | — | — | — | ♦ Carcinogen |
| n-Hexane | 253 | 253 | — | — | 3 |
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 | — | — | — | 1,702 |
| Formic acid | — | — | — | 150,234 |
| Acetaldehyde | — | — | — | 62,344 |
| Acrolein | — | — | — | 186,938 |
| Methanol | — | — | 750 | 93,556 |
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 |
|---|---|---|---|---|---|
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
n-Hexane | — | — | — | 75 |
|
CLEAN HARBORS EL DORADO, LLC
EL DORADO, AR
|
Methanol | — | — | — | 75 |
|
SPRING GROVE RESOURCE RECOVERY INC
CINCINNATI, OH
|
Methanol | — | — | 750 | — |
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 | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | FRV | Aug 19, 2025 | — | Open |
| caa | FRV | Apr 10, 2025 | — | Open |
| caa | FRV | Jan 8, 2024 | — | Open |
| caa | FRV | Feb 10, 2021 | — | Open |
| caa | FRV | Sep 10, 2018 | — | 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 |
|---|---|---|---|---|---|---|
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.87 mg/L | 0.21 | +306% | Sep 2022 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.53 kg/d | 0.19 | +175% | Sep 2022 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 3.46 mg/L | 0.21 | +1,524% | Sep 2022 | 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 3604509928 · Aug 19, 2025
Warning Letter
Clean Air Act
· Case 3604409745 · May 20, 2025
Notice of Violation
Clean Air Act
· Case 3603831965 · Jan 8, 2024
Notice of Violation
Clean Air Act
· Case 3602407008 · Feb 10, 2021
Notice of Violation
Clean Air Act
· Case 3601670357 · Sep 10, 2018
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