SOUTH DAKOTA SOYBEAN PROCESSORS
Quick Summary
- •Released 313,668 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.
- Address
-
100 CASPIAN AVENUE
VOLGA, SD 57071
View on map ↗ - County
- BROOKINGS County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 311224
- Inspections
- 8 · last Jun 3, 2025
- Total Penalties
- $0 · last Apr 10, 2001
- Registry ID
- 110000427681
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 | 456,395 | — |
| 2016 | 330,379 | -28% |
| 2017 | 313,668 | -5% |
| 2018 | 393,269 | +25% |
| 2019 | 350,162 | -11% |
| 2020 | 343,119 | -2% |
| 2021 | 443,448 | +29% |
| 2022 | 429,803 | -3% |
| 2023 | 463,369 | +8% |
| 2024 | 442,645 | -4% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 442,645 | 442,645 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 463,369 | 463,369 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 429,803 | 429,803 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 443,448 | 443,448 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 343,119 | 343,119 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 350,162 | 350,162 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 393,269 | 393,269 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 313,668 | 313,668 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 330,379 | 330,379 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| n-Hexane | 456,395 | 456,395 | — | — | — |
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 | FRV | Jun 24, 2024 | — | Open |
| caa | FRV | Apr 26, 2022 | — | Open |
| cwa | Schedule Event achieved late but reported | Apr 1, 1997 | — | 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 |
|---|---|---|---|---|---|---|
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 114.00 mg/L | 100.00 | +14% | Jan 2022 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 174.00 mg/L | 100.00 | +74% | Nov 2020 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 220.00 mg/L | 100.00 | +120% | Feb 2020 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 118.00 mg/L | 100.00 | +18% | Mar 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 102.15 kg/d | 45.40 | +125% | Mar 2017 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 193.00 mg/L | 100.00 | +93% | May 2016 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 795.41 kg/d | 726.40 | +10% | Aug 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 143.19 kg/d | 45.40 | +215% | Aug 2015 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 129.00 mg/L | 100.00 | +29% | Aug 2015 | Open |
| Oil and grease, hexane extr method | DMR, Limited - Numeric Violation | 135.00 mg/L | 100.00 | +35% | Jun 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.