POET BIOREFINING - GROTON
Quick Summary
- •Released 13,107 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
-
40425 133RD STREET
GROTON, SD 57445
View on map ↗ - County
- BROWN County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325193
- Inspections
- 6 · last Jul 23, 2025
- Total Penalties
- $0 · last Dec 21, 2010
- Registry ID
- 110015598147
How This Compares
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.
Qtrs Non-Compliant
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.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 14,520 | — |
| 2016 | 14,348 | -1% |
| 2017 | 13,107 | -9% |
| 2018 | 24,101 | +84% |
| 2019 | 660 | -97% |
| 2020 | 18,806 | +2749% |
| 2021 | 18,935 | +1% |
| 2022 | 19,753 | +4% |
| 2023 | 20,817 | +5% |
| 2024 | 21,070 | +1% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Acetaldehyde | 16,068 | 16,068 | — | — | — | ♦ Carcinogen |
| n-Hexane | 3,280 | 3,280 | — | — | — | |
| Methanol | 1,722 | 1,722 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Cyclohexane | — | — | — | — | — | |
| Acetaldehyde | 16,060 | 16,060 | — | — | — | ♦ Carcinogen |
| n-Hexane | 3,157 | 3,157 | — | — | — | |
| Methanol | 1,600 | 1,600 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Cyclohexane | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 15,076 | 15,076 | — | — | — | ♦ Carcinogen |
| n-Hexane | 2,957 | 2,957 | — | — | — | |
| Methanol | 1,720 | 1,720 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Cyclohexane | — | — | — | — | — | |
| Toluene | — | — | — | — | — | |
| Acetaldehyde | 15,239 | 15,239 | — | — | — | ♦ Carcinogen |
| Methanol | 1,520 | 1,520 | — | — | — | |
| Acrolein | 1,080 | 1,080 | — | — | — | ♦ Carcinogen |
| Formic acid | 770 | 770 | — | — | — | |
| Formaldehyde | 326 | 326 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Cyclohexane | — | — | — | — | — | |
| Acetaldehyde | 13,006 | 13,006 | — | — | — | ♦ Carcinogen |
| n-Hexane | 3,300 | 3,300 | — | — | — | |
| Formic acid | 1,000 | 1,000 | — | — | — | |
| Methanol | 860 | 860 | — | — | — | |
| Acrolein | 640 | 640 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Acrolein | 660 | 660 | — | — | — | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Cyclohexane | — | — | — | — | — | |
| Acetaldehyde | 13,007 | 13,007 | — | — | — | ♦ Carcinogen |
| Ammonia | 5,474 | 5,300 | 170 | 4 | — | |
| n-Hexane | 3,400 | 3,400 | — | — | — | |
| Methanol | 860 | 860 | — | — | — | |
| Acrolein | 700 | 700 | — | — | — | ♦ Carcinogen |
| Formic acid | 660 | 660 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Cyclohexane | — | — | — | — | — | |
| Acetaldehyde | 9,707 | 9,707 | — | — | — | ♦ Carcinogen |
| n-Hexane | 3,400 | 3,400 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Cyclohexane | — | — | — | — | — | |
| Acetaldehyde | 9,708 | 9,708 | — | — | — | ♦ Carcinogen |
| n-Hexane | 3,300 | 3,300 | — | — | — | |
| Methanol | 740 | 740 | — | — | — | |
| Acrolein | 600 | 600 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cyclohexane | — | — | — | — | — | |
| Acetaldehyde | 9,250 | 9,250 | — | — | — | ♦ Carcinogen |
| n-Hexane | 4,041 | 4,041 | — | — | — | |
| Methanol | 615 | 615 | — | — | — | |
| Acrolein | 614 | 614 | — | — | — | ♦ 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 |
|---|---|---|---|---|
| Methanol | — | — | — | 48,954 |
| Acetaldehyde | — | — | — | 44,442 |
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 | FRV | Jul 17, 2023 | — | Open |
| caa | HPV | Dec 30, 2022 | Jul 10, 2023 | Resolved |
| caa | FRV | Apr 27, 2022 | — | Open |
| caa | FRV | Jul 30, 2021 | — | Open |
| cwa | Schedule Event unachieved but reported | Jan 1, 2015 | Jul 7, 2015 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2015 | Jul 7, 2015 | Resolved |
| cwa | Schedule Event reported late | Jan 1, 2015 | — | Open |
| cwa | Schedule Event achieved late but reported | Jan 1, 2015 | — | Open |
| cwa | Schedule Event unachieved but reported | Oct 15, 2012 | Nov 26, 2012 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 15, 2012 | — | Open |
| cwa | Schedule Event reported late | Oct 15, 2012 | — | Open |
| cwa | Schedule Event unachieved and not reported | Oct 15, 2012 | Nov 27, 2012 | Resolved |
| cwa | Schedule Event achieved late but reported | Oct 15, 2011 | — | 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 |
|---|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 14.00 mg/L | 10.00 | +40% | May 2020 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 40.00 mg/L | 17.50 | +129% | Mar 2020 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 40.00 mg/L | 10.00 | +300% | Mar 2020 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 2.50 mg/L | 5.00 | +50% | Oct 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 22.00 mg/L | 17.50 | +26% | Oct 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 22.00 mg/L | 10.00 | +120% | Oct 2019 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.80 mg/L | 5.00 | +24% | Sep 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 19.00 mg/L | 10.00 | +90% | Sep 2019 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 19.00 mg/L | 17.50 | +9% | Sep 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.19 mg/L | 1.00 | +19% | Aug 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 47.00 mg/L | 10.00 | +370% | Aug 2019 | Resolved |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 3.00 mg/L | 5.00 | +40% | Aug 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 70.00 mg/L | 17.50 | +300% | Aug 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 12.00 mg/L | 10.00 | +20% | May 2019 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 6.60 mg/L | 5.90 | +12% | Apr 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.62 mg/L | 1.00 | +162% | Apr 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 13.00 mg/L | 10.00 | +30% | Dec 2017 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 19.00 mg/L | 10.00 | +90% | Jul 2015 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 19.00 mg/L | 17.50 | +9% | Jul 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.