Clean Water Act discharge permit · NPDES OK0000639
WESTERN FARMERS ELECTRIC COOPERATIVE, Anadarko, OK: NPDES OK0000639 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
WESTERN FARMERS ELECTRIC COOPERATIVE, held by Western Farmers Electric Co-Anadarko, holds NPDES permit OK0000639, which discharges to 310830010010 Washita R. EPA’s file records it issued April 3, 2018 and expiring April 30, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | WESTERN FARMERS ELECTRIC COOPERATIVE |
|---|---|
| Permittee as filed | Western Farmers Electric Co-Anadarko |
| NPDES ID | OK0000639 |
| 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 | April 3, 2018 |
| Expiration date | April 30, 2023 |
| Issuing agency | ODEQ |
| Address | Anadarko, OK 73005 |
| Receiving water | 310830010010 Washita R |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Public Service Reservoir #3-Washita River (HUC 111303020711) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 15Under a numeric limit
- 6With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Oxidants, total residual | 1 | 13 | 12 | March 31, 2017 | 1,718% over the limit |
| Solids, total suspended | 4 | 12 | 10 | June 30, 2026 | 10,433% over the limit |
| Oil and grease, hexane extr method | 4 | 9 | 5 | October 31, 2014 | 470% over the limit |
| pH | 2 | 4 | 4 | October 31, 2014 | |
| Oxidants, free available | 4 | 9 | 1 | April 30, 2020 | 99,999% over the limit |
| Chlorine, total residual | 0 | 1 | 1 | July 31, 2008 | 400% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Temperature, water deg. centigrade | 1 | 0 | 0 | ||
| Whole effluent toxicity - retest #1 | 1 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 1 | 0 | 0 | ||
| LC50 Static Renewal 48Hr Acute Daphnia pulex | 1 | 0 | 0 | ||
| LC50 Static Renewal 48Hr Acute Pimephales promelas | 1 | 0 | 0 | ||
| LC50 Pass/Fail Static Renewal 48Hr Acute Daphnia Pulex | 1 | 0 | 0 | ||
| LC50 Static Renewal 48Hr Acute Pimephales promelas | 1 | 0 | 0 | ||
| %Mortality Static Renewal 48Hr Acute Daphnia Pulex | 1 | 0 | 0 | ||
| % Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C | 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 OK0000639.
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 OK0000639 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.