Clean Water Act discharge permit · NPDES OK0036978
NORTH CANADIAN WASTEWATER TREATMENT, Jones, OK: NPDES OK0036978 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 49Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
NORTH CANADIAN WASTEWATER TREATMENT, held by OK City, City of-North Canadian, holds NPDES permit OK0036978, which discharges to 520520000010_10 North Canadian River. EPA’s file records it issued October 3, 2016 and expiring November 30, 2021. 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 | NORTH CANADIAN WASTEWATER TREATMENT |
|---|---|
| Permittee as filed | OK City, City of-North Canadian |
| NPDES ID | OK0036978 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 3, 2016 |
| Expiration date | November 30, 2021 |
| Issuing agency | ODEQ |
| Address | Jones, OK 73049 |
| Receiving water | 520520000010_10 North Canadian River |
| Subwatershed | Silver Creek-North Canadian River (HUC 111003020107) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 62Pollutants on file
- 49Under a numeric limit
- 62With a violation of any kind
- 11With 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; the 60 with the most exceedances of 62 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 3 | 45 | 38 | May 31, 2026 | 647% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 25 | 21 | April 30, 2026 | 107% over the limit |
| Chlorine, total residual | 1 | 22 | 20 | June 30, 2025 | 496% over the limit |
| Nitrogen, ammonia total [as N] | 15 | 37 | 18 | June 30, 2025 | 297% over the limit |
| E. coli | 4 | 14 | 14 | December 31, 2025 | 1,094% over the limit |
| Coliform, fecal - % samples exceeding limit | 0 | 7 | 5 | May 31, 2015 | 158% over the limit |
| Coliform, fecal general | 0 | 7 | 4 | February 29, 2016 | 2,900% over the limit |
| Whole Effluent Toxicity [WET] - C. dubia | 0 | 3 | 3 | October 31, 2025 | 100% over the limit |
| pH | 10 | 14 | 2 | February 28, 2013 | |
| Cyanide, total [as CN] | 0 | 4 | 1 | December 31, 2003 | 71% over the limit |
| Whole effluent toxicity | 3 | 2 | 1 | June 30, 2023 | 68% over the limit |
| Diazinon | 0 | 18 | 0 | ||
| Arsenic, dry weight | 5 | 13 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 5 | 13 | 0 | ||
| Selenium, dry weight | 3 | 11 | 0 | ||
| Copper, dry weight | 3 | 11 | 0 | ||
| Cadmium, dry weight | 3 | 11 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 11 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 11 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 11 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 11 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 3 | 7 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 3 | 7 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 3 | 7 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 3 | 7 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 3 | 7 | 0 | ||
| Selenium, total [as Se] | 3 | 6 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 4 | 5 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 4 | 5 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 5 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 5 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 4 | 5 | 0 | ||
| Level of pathogen requirements achieved | 2 | 4 | 0 | ||
| Description of pathogen option used | 2 | 4 | 0 | ||
| Vector attraction reduction alternative used | 2 | 4 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 4 | 0 | ||
| Chromium, total [as Cr] | 0 | 4 | 0 | ||
| Zinc, total [as Zn] | 0 | 4 | 0 | ||
| Phenolics, total recoverable | 0 | 4 | 0 | ||
| Mercury, total [as Hg] | 0 | 4 | 0 | ||
| %Mortality Static Renewal 7Day Chronic Pimephales Promelas | 4 | 3 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 2 | 3 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 3 | 0 | ||
| Annual amt of sludge incinerated | 1 | 3 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 3 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 3 | 0 | ||
| Annual amt sludge transported interstate | 1 | 3 | 0 | ||
| Pollutant table from 503.13 | 1 | 3 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 2 | 0 | ||
| Annual whole sludge application rate | 1 | 2 | 0 | ||
| Annual sludge production, total | 1 | 2 | 0 | ||
| Annual amount of sludge land applied | 1 | 2 | 0 | ||
| Copper, total [as Cu] | 0 | 2 | 0 | ||
| Acrylonitrile | 0 | 2 | 0 | ||
| 4,4'-DDT | 0 | 2 | 0 | ||
| %Mortality 7Day Chronic Ceriodaphnia dubia | 3 | 1 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 1 | 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
- 15Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 18, 2023 | Effluent Violations - Unapproved Bypass | ST6 |
| September 16, 2023 | Effluent Violations - Unapproved Bypass | ST6 |
| September 14, 2023 | Effluent Violations - Unapproved Bypass | ST6 |
| May 15, 2019 | Effluent Violations - Reported Fish Kill | ST6 |
| May 15, 2019 | Effluent Violations - Unapproved Bypass | ST6 |
| January 31, 2019 | WW SSO - Discharge without a valid permit (includes satellite systems) | ST6 |
| January 29, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| January 25, 2019 | WW SSO - Discharge without a valid permit (includes satellite systems) | ST6 |
| January 24, 2019 | WW SSO - Discharge without a valid permit (includes satellite systems) | ST6 |
| January 18, 2019 | Effluent Violations - Reported Fish Kill | ST6 |
| January 18, 2019 | WW SSO - Discharge without a valid permit (includes satellite systems) | ST6 |
| January 3, 2018 | Effluent Violations - Unapproved Bypass | ST6 |
| January 2, 2018 | Effluent Violations - Unapproved Bypass | ST6 |
| January 1, 2018 | Effluent Violations - Unapproved Bypass | ST6 |
| January 26, 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.
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, OK0036978.
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 OK0036978 there.
Nearby on the register
- Discharge permits in Jones
- Every permit record in Jones, A to Z
- Discharge permits in Oklahoma
- Every permit record in Oklahoma, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.