Clean Water Act discharge permit · NPDES SD0027898
VALERO RENEWABLE FUELS COMPANY, LLC, Aurora, SD: NPDES SD0027898 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
VALERO RENEWABLE FUELS COMPANY, LLC, held by Valero Renewable Fuels Company, LLC, holds NPDES permit SD0027898, which discharges to Unnamed Wetland And Medary Creek. EPA’s file records it issued May 19, 2003 and expiring June 30, 2008. 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 | VALERO RENEWABLE FUELS COMPANY, LLC |
|---|---|
| Permittee as filed | Valero Renewable Fuels Company, LLC |
| NPDES ID | SD0027898 |
| 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 | May 19, 2003 |
| Expiration date | June 30, 2008 |
| Issuing agency | SDDENR |
| Address | Aurora, SD 57002 |
| Receiving water | Unnamed Wetland and Medary Creek |
| Subwatershed | Lower Medary Creek (HUC 101702021003) |
| Other EPA IDs (FRS) | RCRA handler SDR000202952; ICIS-AIR source SD0000004601100008 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 16Pollutants on file
- 14Under a numeric limit
- 16With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 2 | 26 | 25 | August 31, 2013 | 7,747% over the limit |
| Nitrogen, nitrate total [as N] | 18 | 15 | 7 | May 31, 2005 | 58% over the limit |
| Conductivity | 8 | 8 | 2 | July 31, 2004 | 132% over the limit |
| Toxicity [chronic], Ceriodaphnia dubia | 0 | 3 | 2 | September 30, 2024 | 122% over the limit |
| pH | 8 | 7 | 1 | November 30, 2007 | |
| Solids, total dissolved | 8 | 7 | 1 | July 31, 2004 | 44% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 3 | 1 | January 31, 2007 | 14% over the limit |
| Copper, total recoverable | 0 | 1 | 1 | November 30, 2021 | 16% over the limit |
| Temperature, water deg. fahrenheit | 10 | 6 | 0 | ||
| Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas | 2 | 3 | 0 | ||
| Flow rate | 8 | 2 | 0 | ||
| Solids, total suspended | 4 | 2 | 0 | ||
| Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia | 2 | 2 | 0 | ||
| Oil & Grease | 2 | 1 | 0 | ||
| Floating solids, waste or visible foam-visual | 2 | 1 | 0 | ||
| Oil and grease visual | 2 | 1 | 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 SD0027898.
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.
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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 SD0027898 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.