Clean Water Act discharge permit · NPDES SD0028644
SD SOYBEAN PROCESSORS - MILLER FACILITY, Saint Lawrence, SD: NPDES SD0028644 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
SD SOYBEAN PROCESSORS - MILLER FACILITY, held by SD Soybean Processors - Miller Facility, holds NPDES permit SD0028644, which discharges to Pearl Creek. EPA’s file records it issued August 31, 2021 and expiring August 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SD SOYBEAN PROCESSORS - MILLER FACILITY |
|---|---|
| Permittee as filed | SD Soybean Processors - Miller Facility |
| NPDES ID | SD0028644 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 31, 2021 |
| Expiration date | August 31, 2026 |
| Issuing agency | SDDANR |
| Address | Saint Lawrence, SD 57373 |
| Receiving water | Pearl Creek |
| Subwatershed | Pearl Creek-Cain Creek (HUC 101600060903) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 14Under a numeric limit
- 8With a violation of any kind
- 2With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Temperature, water deg. fahrenheit | 6 | 6 | 4 | February 28, 2023 | 8% over the limit |
| pH | 2 | 1 | 1 | October 31, 2021 | |
| BOD, 5-day, 20 deg. C | 2 | 4 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 4 | 0 | ||
| Nitrogen, nitrate total [as N] | 2 | 4 | 0 | ||
| Conductivity | 2 | 2 | 0 | ||
| Solids, total dissolved | 2 | 2 | 0 | ||
| Floating solids, waste or visible foam-visual | 1 | 1 | 0 | ||
| Flow rate | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Oil and grease, hexane extr method | 1 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 | ||
| Oil and grease visual | 1 | 0 | 0 | ||
| Discharge event observation [Visual Monitoring] | 1 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES SD0028644.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID SD0028644 there.
Nearby on the register
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- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.