CHS OILSEED PROCESSING
Quick Summary
- •Released 407,851 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $0 in total penalties since records began.
- Address
-
2020 SOUTH RIVERFRONT DRIVE
MANKATO, MN 56002
View on map ↗ - County
- BLUE EARTH County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 311224
- Inspections
- 3 · last Sep 11, 2025
- Total Penalties
- $0 · last Feb 25, 2021
- Registry ID
- 110015870912
How This Compares
Ranked by most recent year's total TRI releases.
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 | 654,807 | — |
| 2016 | 579,479 | -12% |
| 2017 | 407,851 | -30% |
| 2018 | 574,180 | +41% |
| 2020 | 736,509 | — |
| 2021 | 674,964 | -8% |
| 2022 | 551,089 | -18% |
| 2023 | 459,190 | -17% |
| 2024 | 638,582 | +39% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 637,072 | 637,072 | — | — | 69 | |
| Formic acid | 1,510 | 1,510 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 457,731 | 457,731 | — | — | 98 | |
| Formic acid | 1,459 | 1,459 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 548,408 | 548,408 | — | — | 28 | |
| Formic acid | 2,681 | 2,681 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 671,000 | 671,000 | — | — | — | |
| Formic acid | 3,964 | 3,964 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 733,000 | 733,000 | — | — | — | |
| Formic acid | 3,509 | 3,509 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 571,716 | 571,716 | — | — | — | |
| Formic acid | 2,464 | 2,464 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 405,400 | 405,400 | — | — | 107 | |
| Formic acid | 2,451 | 2,451 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 577,000 | 577,000 | — | — | 55 | |
| Formic acid | 2,479 | 2,479 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 651,000 | 651,000 | — | — | 38 | |
| Formic acid | 3,807 | 3,807 | — | — | — |
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 |
|---|---|---|---|---|
| Formic acid | — | — | — | 38 |
| n-Hexane | — | 1,508,758,835 | — | 26 |
Transfers to Publicly-Owned Treatment Works (POTWs)
Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.
| Chemical | Transferred (lbs) | POTW |
|---|---|---|
| n-Hexane | 69 | MANKATO WASTEWATER TREATMENT PLANT, MANKATO |
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 |
|---|---|---|---|---|
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Feb 28, 1994 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 31, 1994 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Nov 15, 1993 | Nov 22, 1994 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Nov 15, 1993 | Nov 22, 1994 | Resolved |
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.