Clean Water Act discharge permit · NPDES OK0043257
WAGONER COUNTY RWSG & SWM D#4, Coweta, OK: NPDES OK0043257 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
WAGONER COUNTY RWSG & SWM D#4, held by Wagoner Co. RWSG and SWMD 4, holds NPDES permit OK0043257, which discharges to 121500010270_00 Trib/ Coal Ck/ Verdigris R. EPA’s file records it issued May 25, 2021 and expiring June 30, 2026. 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 | WAGONER COUNTY RWSG & SWM D#4 |
|---|---|
| Permittee as filed | Wagoner Co. RWSG and SWMD 4 |
| NPDES ID | OK0043257 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 25, 2021 |
| Expiration date | June 30, 2026 |
| Issuing agency | ODEQ |
| Address | Coweta, OK 74429 |
| Receiving water | 121500010270_00 trib/ Coal Ck/ Verdigris R |
| Subwatershed | Coal Creek (HUC 110701050401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 9Under a numeric limit
- 10With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 9 | 180 | 165 | August 31, 2025 | 15,900% over the limit |
| Chlorine, total residual | 1 | 73 | 58 | December 31, 2023 | 34,243% over the limit |
| Oxygen, dissolved [DO] | 4 | 76 | 40 | July 31, 2021 | 100% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 61 | 37 | May 31, 2024 | 424% over the limit |
| E. coli | 4 | 36 | 34 | May 31, 2026 | 1,658% over the limit |
| Coliform, fecal general | 0 | 34 | 20 | June 30, 2014 | 85,925% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 21 | 12 | December 31, 2023 | 190% over the limit |
| pH | 4 | 59 | 9 | June 30, 2022 | |
| Solids, total suspended | 9 | 26 | 5 | August 31, 2021 | 78% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 68 | 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 OK0043257.
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 OK0043257 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.