Clean Water Act discharge permit · NPDES OK0033464
SPERRY UTILITY SERVICES AUTH., Skiatook, OK: NPDES OK0033464 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
SPERRY UTILITY SERVICES AUTH., held by Sperry Utility Services Authority, holds NPDES permit OK0033464, which discharges to 121300040010_00 Hominy Creek/Bird Creek/Verdigris. EPA’s file records it issued September 2, 2016 and expiring September 30, 2021. 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 | SPERRY UTILITY SERVICES AUTH. |
|---|---|
| Permittee as filed | Sperry Utility Services Authority |
| NPDES ID | OK0033464 |
| 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 2, 2016 |
| Expiration date | September 30, 2021 |
| Issuing agency | ODEQ |
| Address | Skiatook, OK 74070 |
| Receiving water | 121300040010_00 Hominy Creek/Bird Creek/Verdigris |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Rock Creek-Hominy Creek (HUC 110701070214) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
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
- 7Pollutants on file
- 6Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 3 | 72 | 50 | December 31, 2025 | 248% over the limit |
| E. coli | 4 | 32 | 18 | June 30, 2026 | 99,999% over the limit |
| Coliform, fecal general | 0 | 14 | 12 | July 31, 2015 | 3,623% over the limit |
| pH | 2 | 23 | 3 | April 30, 2018 | |
| Chlorine, total residual | 1 | 9 | 2 | February 28, 2018 | 809% over the limit |
| Solids, total suspended | 3 | 22 | 1 | May 31, 2019 | 32% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 15 | 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 OK0033464.
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, OK0033464.
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 OK0033464 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.