Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
POET BIOREFINING - LADDONIA LLC
Quick Summary
- •Released 4,095 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
-
809 NORTH PINE STREET
LADDONIA, MO 63352
View on map ↗ - County
- AUDRAIN County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325193
- Inspections
- 2 · last Feb 1, 2024
- Total Penalties
- $0
- Registry ID
- 110070672528
How This Compares
#154
of 454 TRI reporters in MO
#5,294
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.
1
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
6
Water (CWA)
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)
+90% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 5,284 | — |
| 2016 | 4,712 | -11% |
| 2017 | 4,095 | -13% |
| 2018 | 2,765 | -32% |
| 2019 | 0 | -100% |
| 2020 | 2,674 | — |
| 2021 | 5,824 | +118% |
| 2022 | 3,800 | -35% |
| 2023 | 3,301 | -13% |
| 2024 | 10,052 | +205% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Cyclohexane | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 6,669 | 6,669 | — | — | — | ♦ Carcinogen |
| Formic acid | 1,861 | 1,861 | — | — | — | |
| n-Hexane | 1,522 | 1,522 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| n-Hexane | 2,052 | 2,052 | — | — | — | |
| Formic acid | 1,101 | 1,101 | — | — | — | |
| Cyclohexane | 148 | 148 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Formaldehyde | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | — | — | — | — | — | ♦ Carcinogen |
| Methanol | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Cyclohexane | — | — | — | — | — | |
| Toluene | — | — | — | — | — | |
| n-Hexane | 3,050 | 3,050 | — | — | — | |
| Formic acid | 750 | 750 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Cyclohexane | — | — | — | — | — | |
| Acetaldehyde | 1,550 | 1,550 | — | — | — | ♦ Carcinogen |
| n-Hexane | 1,284 | 1,284 | — | — | — | |
| Formic acid | 1,100 | 1,100 | — | — | — | |
| Methanol | 1,080 | 1,080 | — | — | — | |
| Formaldehyde | 810 | 810 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Cyclohexane | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| n-Hexane | 2,240 | 2,240 | — | — | — | |
| Acetaldehyde | 434 | 434 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| n-Hexane | 2,033 | 2,033 | — | — | — | |
| Acetaldehyde | 674 | 674 | — | — | — | ♦ Carcinogen |
| Toluene | 58 | 58 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| n-Hexane | 2,131 | 2,131 | — | — | — | |
| Acetaldehyde | 965 | 965 | — | — | — | ♦ Carcinogen |
| Methanol | 940 | 940 | — | — | — | |
| Toluene | 59 | 59 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| n-Hexane | 1,930 | 1,930 | — | — | — | |
| Methanol | 1,380 | 1,380 | — | — | — | |
| Acetaldehyde | 1,343 | 1,343 | — | — | — | ♦ Carcinogen |
| Toluene | 59 | 59 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | — | |
| Acetaldehyde | 2,509 | 2,509 | — | — | — | ♦ Carcinogen |
| n-Hexane | 1,460 | 1,460 | — | — | — | |
| Methanol | 1,315 | 1,315 | — | — | — |
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 |
|---|---|---|---|---|
| Acetaldehyde | — | — | — | 35,825 |
| Formic acid | — | — | — | 52,498 |
| n-Hexane | — | — | — | 5,230 |
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 15, 2025 | — | Open |
| cwa | Schedule Event reported late | Oct 1, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Oct 1, 2020 | — | Open |
| cwa | Schedule Event reported late | Apr 1, 2020 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 2020 | — | 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 |
|---|---|---|---|---|---|---|
| Boron, total recoverable | DMR, Limited - Numeric Violation | 1.74 mg/L | 1.64 | +6% | Feb 2026 | Open |
| Boron, total recoverable | DMR, Limited - Numeric Violation | 1.67 mg/L | 1.64 | +2% | Nov 2025 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 1.28 mg/L | 0.72 | +78% | Apr 2025 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 1.16 mg/L | 0.72 | +61% | Feb 2025 | Resolved |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 0.76 mg/L | 0.72 | +6% | Dec 2023 | Open |
| Iron, total recoverable | DMR, Limited - Numeric Violation | 1.20 mg/L | 0.72 | +66% | Apr 2023 | Open |
| Oxygen demand, chem. [high level] [COD] | DMR, Limited - Numeric Violation | 729.00 mg/L | 90.00 | +710% | May 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 159.00 mg/L | 100.00 | +59% | Dec 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 92.00 mg/L | 50.00 | +84% | Dec 2021 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.13 mg/L | 0.02 | +665% | Jun 2018 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.13 mg/L | 0.01 | +1,525% | Jun 2018 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.19 mg/L | 0.02 | +1,018% | Oct 2017 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.19 mg/L | 0.01 | +2,275% | Oct 2017 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.02 | +135% | Dec 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.01 | +400% | Dec 2016 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | Jun 2016 | Open |
| Chloride | DMR, Limited - Numeric Violation | 731.00 mg/L | 689.00 | +6% | Jun 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | Jun 2016 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | May 2016 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | May 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.30 mg/L | 0.01 | +3,650% | May 2016 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.30 mg/L | 0.02 | +1,665% | May 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | Jan 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | Jan 2016 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | Jan 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | Jan 2016 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | Sep 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | Sep 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | Sep 2015 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | Sep 2015 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | Jul 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | Jul 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | Jul 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | Jul 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | Jun 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | Jun 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | Jun 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.53 mg/L | 1.30 | +18% | Jun 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | Jun 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | Apr 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | Apr 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | Apr 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | Apr 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.02 | +488% | Jan 2015 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.01 | +1,150% | Jan 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.
State/local Action
Clean Air Act
· Case 3604632458 · Nov 18, 2025
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