Clean Water Act discharge permit · NPDES SD0027901
POET BIOREFINING - CHANCELLOR, Chancellor, SD: NPDES SD0027901 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 30Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
POET BIOREFINING - CHANCELLOR, held by POET Biorefining - Chancellor, holds NPDES permit SD0027901, which discharges to Long Creek. EPA’s file records it issued September 24, 2008 and expiring September 30, 2013. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | POET BIOREFINING - CHANCELLOR |
|---|---|
| Permittee as filed | POET Biorefining - Chancellor |
| NPDES ID | SD0027901 |
| 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 | September 24, 2008 |
| Expiration date | September 30, 2013 |
| Issuing agency | SDDENR |
| Address | Chancellor, SD 57015 |
| Receiving water | Long Creek |
| Subwatershed | Upper Long Creek (HUC 101701021001) |
| NAICS | 325110 – Petrochemical Manufacturing |
| SIC | 2869 – Industrial Organic Chemicals |
| Other EPA IDs (FRS) | RCRA handler SDR000202580; ICIS-AIR source SD0000004612500001 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 35Pollutants on file
- 30Under a numeric limit
- 19With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia | 1 | 5 | 3 | September 30, 2012 | |
| Oxygen, dissolved [DO] | 1 | 2 | 2 | May 31, 2020 | 10% over the limit |
| Conductivity | 2 | 3 | 1 | October 31, 2007 | 1% over the limit |
| Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas | 1 | 3 | 1 | December 31, 2008 | |
| Floating solids, waste or visible foam-visual | 1 | 2 | 1 | January 31, 2008 | |
| Toxicity [acute], Ceriodaphnia dubia | 0 | 1 | 1 | June 30, 2020 | 475% over the limit |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 0 | 1 | 1 | June 30, 2020 | 18% over the limit |
| Temperature, water deg. fahrenheit | 2 | 2 | 0 | ||
| Flow rate | 2 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 2 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Solids, total dissolved | 2 | 2 | 0 | ||
| Alkalinity, total [as CaCO3] | 2 | 1 | 0 | ||
| Solids, total suspended | 2 | 1 | 0 | ||
| Chlorine, total residual | 1 | 1 | 0 | ||
| Oil and grease visual | 1 | 1 | 0 | ||
| Oil & Grease | 0 | 1 | 0 | ||
| Hydrocarbons, petroleum | 0 | 1 | 0 | ||
| Flow, total | 0 | 1 | 0 | ||
| Oil and grease, hexane extr method | 2 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| Nitrogen, nitrate total [as N] | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Arsenic, total recoverable | 2 | 0 | 0 | ||
| Selenium, total recoverable | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Silver total recoverable | 2 | 0 | 0 | ||
| Zinc, total recoverable | 2 | 0 | 0 | ||
| Cadmium, total recoverable | 2 | 0 | 0 | ||
| Lead, total recoverable | 2 | 0 | 0 | ||
| Chromium, total recoverable | 2 | 0 | 0 | ||
| Copper, total recoverable | 2 | 0 | 0 | ||
| Mercury, total recoverable | 2 | 0 | 0 | ||
| Chemical Oxygen Demand [COD] | 2 | 0 | 0 | ||
| Flow, total | 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 SD0027901.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, SD0027901.
Start the watch
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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 SD0027901 there.
Nearby on the register
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- Every permit record in Chancellor, A to Z
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- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.