Clean Water Act discharge permit · NPDES OK0000191
SEQUOYAH FUELS CORP., Gore, OK: NPDES OK0000191 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 21Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
SEQUOYAH FUELS CORP., held by Sequoyah Fuels Corporation, holds NPDES permit OK0000191, which discharges to 121700010010_00 Illinois River. EPA’s file records it issued August 14, 2015 and expiring September 30, 2020. 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 | SEQUOYAH FUELS CORP. |
|---|---|
| Permittee as filed | Sequoyah Fuels Corporation |
| NPDES ID | OK0000191 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 14, 2015 |
| Expiration date | September 30, 2020 |
| Issuing agency | ODEQ |
| Address | Gore, OK 74435 |
| Receiving water | 121700010010_00 Illinois River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Outlet Illinois River (HUC 111101030908) |
| NAICS | 325180 – Other Basic Inorganic Chemical Manufacturing |
| SIC | 2819 – Industrial Inorganic Chemicals |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 21Pollutants on file
- 21Under a numeric limit
- 18With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 6 | 17 | 11 | March 31, 2019 | 1,461% over the limit |
| Nitrogen, ammonia total [as N] | 9 | 14 | 5 | May 31, 2009 | 3,671% over the limit |
| Nitrogen, nitrate total [as N] | 6 | 11 | 5 | September 30, 2007 | 1,372% over the limit |
| pH | 6 | 8 | 2 | September 30, 2007 | |
| Fluoride, total [as F] | 6 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 6 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 4 | 4 | 0 | ||
| Radium 226, total | 4 | 4 | 0 | ||
| Thorium 230 | 4 | 4 | 0 | ||
| Uranium, total [in pci/L] | 4 | 4 | 0 | ||
| Copper, total [as Cu] | 2 | 2 | 0 | ||
| Selenium, total [as Se] | 2 | 2 | 0 | ||
| LC50 Pass/Fail Static Renewal 48Hr Acute Daphnia Pulex | 1 | 2 | 0 | ||
| LC50 Static Renewal 48Hr Acute Pimephales promelas | 1 | 2 | 0 | ||
| LC50 Static Renewal 48Hr Acute Daphnia pulex | 1 | 1 | 0 | ||
| LC50 Static Renewal 48Hr Acute Pimephales promelas | 1 | 1 | 0 | ||
| %Mortality Static Renewal 48Hr Acute Daphnia Pulex | 1 | 1 | 0 | ||
| % Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C | 1 | 1 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 0 | 0 | ||
| Whole effluent toxicity - retest #1 | 1 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 15, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
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 OK0000191 there.
Nearby on the register
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- Every permit record in Gore, A to Z
- Discharge permits in Oklahoma
- Every permit record in Oklahoma, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.