PLYMOUTH ENERGY LLC
Quick Summary
- •Released 17,730 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
-
22234 K42
MERRILL, IA 51038
View on map ↗ - County
- PLYMOUTH County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325193
- Inspections
- 2 · last Mar 28, 2023
- Total Penalties
- $0 · last Dec 21, 2015
- Registry ID
- 110040470399
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
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 | 14,726 | — |
| 2016 | 15,756 | +7% |
| 2017 | 17,730 | +13% |
| 2018 | 16,593 | -6% |
| 2019 | 1,633 | -90% |
| 2020 | 696 | -57% |
| 2021 | 7,369 | +959% |
| 2022 | 16,049 | +118% |
| 2023 | 14,604 | -9% |
| 2024 | 17,567 | +20% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | — | — | — | — | — | |
| Toluene | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 9,279 | 9,279 | — | — | — | ♦ Carcinogen |
| n-Hexane | 5,984 | 5,984 | — | — | — | |
| Methanol | 2,304 | 2,304 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 6,998 | 6,998 | — | — | — | ♦ Carcinogen |
| n-Hexane | 5,657 | 5,657 | — | — | — | |
| Methanol | 1,949 | 1,949 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 7,930 | 7,930 | — | — | — | ♦ Carcinogen |
| n-Hexane | 5,942 | 5,942 | — | — | — | |
| Methanol | 2,177 | 2,177 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| n-Hexane | 4,397 | 4,397 | — | — | — | |
| Acetaldehyde | 2,972 | 2,972 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Xylene (mixed isomers) | — | — | — | — | — | |
| n-Hexane | 696 | 696 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 1,633 | 1,633 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 12,414 | 12,414 | — | — | — | ♦ Carcinogen |
| n-Hexane | 2,850 | 2,850 | — | — | — | |
| Methanol | 1,329 | 1,329 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Toluene | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 13,220 | 13,220 | — | — | — | ♦ Carcinogen |
| n-Hexane | 3,265 | 3,265 | — | — | — | |
| Methanol | 1,245 | 1,245 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | — | — | — | — | — | |
| Toluene | — | — | — | — | — | |
| Ethylbenzene | — | — | — | — | — | ♦ Carcinogen |
| Acetaldehyde | 10,414 | 10,414 | — | — | — | ♦ Carcinogen |
| n-Hexane | 4,232 | 4,232 | — | — | — | |
| Methanol | 1,110 | 1,110 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Acetaldehyde | 9,952 | 9,952 | — | — | — | ♦ Carcinogen |
| n-Hexane | 3,653 | 3,653 | — | — | — | |
| Methanol | 1,121 | 1,121 | — | — | — |
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 |
|---|
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 |
| cwa | Schedule Event reported late | May 1, 2025 | — | Open |
| cwa | Schedule Event unachieved but reported | May 1, 2025 | Jun 10, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | May 1, 2025 | Jun 10, 2025 | Resolved |
| cwa | Schedule Event achieved late but reported | May 1, 2025 | — | Open |
| caa | FRV | Sep 3, 2024 | — | Open |
| caa | FRV | Oct 18, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | May 1, 2023 | — | Open |
| cwa | Schedule Event reported late | May 1, 2023 | — | Open |
| caa | FRV | Mar 30, 2022 | — | Open |
| caa | FRV | Oct 11, 2021 | — | Open |
| cwa | Schedule Event unachieved but reported | Apr 1, 2014 | Jul 7, 2014 | Resolved |
| cwa | Schedule Event unachieved and not reported | Apr 1, 2014 | Jul 7, 2014 | Resolved |
| cwa | Schedule Event achieved late but reported | Apr 1, 2014 | — | Open |
| cwa | Schedule Event reported late | Apr 1, 2014 | — | 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 | 0.17 mg/L | 0.01 | +1,357% | Jan 2026 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.12 kg/d | 0.01 | +924% | Jan 2026 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.21 mg/L | 0.02 | +1,005% | Jan 2026 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.15 kg/d | 0.02 | +667% | Jan 2026 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,689.00 mg/L | 1,516.00 | +11% | Apr 2024 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,538.00 mg/L | 1,516.00 | +1% | Mar 2024 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.15 kg/d | 1.00 | +14% | Jul 2023 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.28 mg/L | 1.00 | +28% | Jul 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.38 mg/L | 0.32 | +19% | Jun 2023 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,551.00 mg/L | 1,516.00 | +2% | May 2023 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,551.00 mg/L | 1,516.00 | +2% | May 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.34 mg/L | 0.32 | +7% | Feb 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 38.65 kg/d | 33.82 | +14% | Oct 2022 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.54 kg/d | 0.39 | +40% | Jul 2022 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.67 mg/L | 0.32 | +110% | Jul 2022 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,527.00 mg/L | 1,516.00 | +1% | Jun 2022 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.12 mg/L | 1.00 | +12% | Apr 2022 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.75 mg/L | 1.00 | +75% | Jan 2022 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.22 kg/d | 1.00 | +21% | Jan 2022 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.32 mg/L | 1.00 | +32% | Jul 2021 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.32 mg/L | 1.00 | +32% | Jul 2021 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.52 mg/L | 1.00 | +52% | Feb 2020 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 2.06 mg/L | 1.00 | +106% | Jan 2020 | Open |
| Sulfate, total [as SO4] | DMR, Limited - Numeric Violation | 1,969.72 mg/L | 1,516.00 | +30% | May 2019 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.30 mg/L | 1.00 | +30% | Apr 2019 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.80 mg/L | 1.00 | +80% | Jan 2018 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.48 mg/L | 0.32 | +50% | Jan 2018 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.49 mg/L | 0.32 | +54% | Dec 2017 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.10 mg/L | 1.00 | +10% | Apr 2017 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.42 mg/L | 0.32 | +32% | Nov 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.41 mg/L | 0.32 | +29% | Aug 2016 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.41 mg/L | 0.32 | +29% | Jul 2016 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.30 mg/L | 1.00 | +30% | Sep 2015 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.30 mg/L | 1.00 | +30% | Sep 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.