Clean Water Act discharge permit · NPDES OK0031585
WYNONA WWT, Wynona, OK: NPDES OK0031585 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
WYNONA WWT, held by Wynona Municipal Authority, holds NPDES permit OK0031585, which discharges to 121300030050_00 Trib/Birch Creek. EPA’s file records it issued September 20, 2016 and expiring September 30, 2021.
WYNONA WWT, Wynona, Oklahoma: Individual permit OK0031585, held by Wynona Municipal Authority; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued September 20, 2016, term to September 30, 2021, by ODEQ; discharges to 121300030050_00 trib/Birch Creek; Sewage Treatment Facilities.
- BOD, 5-day, 20 deg. C: 3 limits, 122 violations of any kind, 17 effluent exceedances, latest May 31, 2021, largest 141% over the limit.
- Solids, total suspended: 3 limits, 107 violations of any kind, 2 effluent exceedances, latest June 30, 2019, largest 16% over the limit.
- pH: 2 limits, 70 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 70 violations of any kind, 0 effluent exceedances.
Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 70 were issued before OK0031585.
Coverages issued nearest OK0031585
- September 2, 2016: SPERRY UTILITY SERVICES AUTH., Skiatook, OK0033464, held by Sperry Utility Services Authority
- September 16, 2016: DEPEW, TOWN OF, Depew, OK0021890, held by Depew, Town of
- September 16, 2016: MOUNDS PWA, Mounds, OK0022888, held by Mounds WTF
- September 16, 2016: WELEETKA PWA, Weleetka, OK0028525, held by Weleetka PWA
- September 16, 2016: CITY OF NEWKIRK, Newkirk, OK0045951, held by Newkirk WTF
- September 23, 2016: MORRIS, CITY OF -NW PLANT, Morris, OK0028924, held by Morris, City of (NW Facility)
- September 26, 2016: HOLDENVILLE PWA, Holdenville, OK0028428, held by Holdenville PWA
- September 26, 2016: QUINTON, TOWN OF, Quinton, OK0030694, held by Town of Quinton
- October 3, 2016: CLINTON, CITY OF, Clinton, OK0031011, held by Clinton PWA
- October 3, 2016: NORTH CANADIAN WASTEWATER TREATMENT, Jones, OK0036978, held by OK City, City of-North Canadian
WYNONA WWT among its neighbors
EPA’s permit file holds 1 discharge permits in the Upper Birch Creek subwatershed (HUC 110701070301), OK0031585 among them. Its county holds 10, 0 of them major permits; OK0031585 is a minor permit.
Identity
| Facility as filed | WYNONA WWT |
|---|---|
| Permittee as filed | Wynona Municipal Authority |
| NPDES ID | OK0031585 |
| 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 | September 20, 2016 |
| Expiration date | September 30, 2021 |
| Issuing agency | ODEQ |
| Address | Wynona, OK 74084 |
| Receiving water | 121300030050_00 trib/Birch Creek |
| Subwatershed | Upper Birch Creek (HUC 110701070301) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 4With a violation of any kind
- 2With 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 | 3 | 122 | 17 | May 31, 2021 | 141% over the limit |
| Solids, total suspended | 3 | 107 | 2 | June 30, 2019 | 16% over the limit |
| pH | 2 | 70 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 70 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES OK0031585.
Inspections
EPA’s inspection file holds no inspection for NPDES OK0031585.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES OK0031585.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.