Clean Water Act discharge permit · NPDES SDP000083
POET RESEARCH CENTER, INC., Scotland, SD: NPDES SDP000083 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
POET RESEARCH CENTER, INC., held by Poet Research Center, Inc., holds NPDES permit SDP000083, which discharges to Scotland Potw. EPA’s file records it issued February 13, 2014 and expiring December 31, 2018. 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 RESEARCH CENTER, INC. |
|---|---|
| Permittee as filed | Poet Research Center, Inc. |
| NPDES ID | SDP000083 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | February 13, 2014 |
| Expiration date | December 31, 2018 |
| Issuing agency | SDDANR |
| Address | Scotland, SD 57059 |
| Receiving water | Scotland POTW |
| NAICS | 325110 – Petrochemical Manufacturing |
| SIC | 2869 – Industrial Organic Chemicals |
| Other EPA IDs (FRS) | RCRA handler SDR000003400; ICIS-AIR source SD0000004600900001 |
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
- 7Pollutants on file
- 6Under a numeric limit
- 5With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 4 | 66 | 10 | January 31, 2014 | 42% over the limit |
| Solids, total suspended | 4 | 66 | 10 | December 31, 2022 | 82% over the limit |
| pH | 2 | 33 | 5 | July 31, 2017 | |
| Flow rate | 2 | 5 | 5 | June 30, 2013 | 18% over the limit |
| Flow | 0 | 28 | 0 | ||
| Temperature, water deg. centigrade | 2 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 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 SDP000083.
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, SDP000083.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 SDP000083 there.
Nearby on the register
- Discharge permits in Scotland
- Every permit record in Scotland, A to Z
- Discharge permits in South Dakota
- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.