NPDES OK0020303 · Clean Water Act
OWASSO PUBLIC WORKS AUTHORITY, Owasso, OK: NPDES OK0020303 discharge permit, effluent exceedances, inspections, penalties
OWASSO PUBLIC WORKS AUTHORITY, Owasso, Oklahoma: Individual permit OK0020303, held by Owasso PWA; Publicly owned treatment works; Administratively continued; issued April 6, 2017, term to April 30, 2022, by ODEQ; discharges to 121300 trib/Owasso Ck/Bird Ck/Verdigris; Sewage Treatment Facilities.
27 of the 52 pollutants listed for NPDES OK0020303 have no violation or effluent exceedance.
- Nitrogen, ammonia total [as N]: 12 limits, 60 violations of any kind, 31 effluent exceedances, latest March 31, 2025, largest 383% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 26 violations of any kind, 15 effluent exceedances, latest September 30, 2025, largest 1,075% over the limit.
- Solids, total suspended: 3 limits, 20 violations of any kind, 9 effluent exceedances, latest April 30, 2016, largest 1,764% over the limit.
- E. coli: 4 limits, 10 violations of any kind, 6 effluent exceedances, latest June 30, 2022, largest 14,678% over the limit.
- Coliform, fecal general: 0 limits, 4 violations of any kind, 2 effluent exceedances, latest June 30, 2013, largest 14,900% over the limit.
- pH: 4 limits, 20 violations of any kind, 1 effluent exceedance, latest August 31, 2005.
- Oxygen, dissolved [DO]: 1 limit, 4 violations of any kind, 1 effluent exceedance, latest May 31, 2019, largest 26% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 10 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 1 limit, 9 violations of any kind.
- %Mortality 7Day Chronic Ceriodaphnia dubia: 1 limit, 7 violations of any kind.
- %Mortality Static Renewal 7Day Chronic Pimephales Promelas: 1 limit, 7 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 1 limit, 7 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 1 limit, 7 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 1 limit, 7 violations of any kind.
- Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia: 1 limit, 7 violations of any kind.
- Coef Of Var Static Renewal 7Day Chronic Pimephales promelas: 1 limit, 7 violations of any kind.
- Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia: 1 limit, 6 violations of any kind.
- Pass/Fail Static Renewal 7Day Chronic Pimephales promelas: 1 limit, 6 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 1 limit, 6 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 1 limit, 6 violations of any kind.
- Manganese, total [as Mn]: 1 limit, 1 violation of any kind.
- Whole effluent toxicity - retest #1: 1 limit, 1 violation of any kind.
- Whole effluent toxicity - retest #2: 1 limit, 1 violation of any kind.
- Compliance w/part 258 sludge requirement: 1 limit, 1 violation of any kind.
- Chlorine, total residual: 0 limits, 1 violation of any kind.
- Arsenic, dry weight: 5 limits.
- Nickel, sludge, total, dry weight [as Ni]: 5 limits.
- Selenium, dry weight: 3 limits.
- Copper, dry weight: 3 limits.
- Cadmium, dry weight: 3 limits.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits.
- Lead, sludge, total, dry weight [as Pb]: 3 limits.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits.
- Polychlorinated biphenyls [PCBs]: 2 limits.
- Chromium, sludge, total, dry weight [as Cr]: 2 limits.
- Level of pathogen requirements achieved: 2 limits.
- Description of pathogen option used: 2 limits.
- Vector attraction reduction alternative used: 2 limits.
- Toxicity characteristic leaching procedure: 1 limit.
- Annual whole sludge application rate: 1 limit.
- Ann. amt sludge disposed by other method: 1 limit.
- Annual amt of sludge incinerated: 1 limit.
- Annual sludge production, total: 1 limit.
- Annual amount of sludge land applied: 1 limit.
- Annual amt. sludge disposed surface unit: 1 limit.
- Annual amt sludge disposed in landfill: 1 limit.
- Annual amt sludge transported interstate: 1 limit.
- Unit w/liner/leachate collection system: 1 limit.
- Unit boundary to property line distance: 1 limit.
- Solids, total dissolved- 180 deg. C: 1 limit.
- Pollutant table from 503.13: 1 limit.
- November 6, 2019: Management Practice Violations - Improper Operation and Maintenance (ST6).
- November 6, 2019: Reporting Violations - Improper/ Incorrect Reporting (ST6).
- December 5, 2018: Permit Violations - Violation Specified in Comment (ST6).
- November 17, 2017: Permit Violations - Violation Specified in Comment (ST6).
Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 90 were issued before OK0020303.
Coverages issued nearest OK0020303
- 2017-01-20: SOUTH COFFEYVILLE PWA, South Coffeyville: OK0020117, held by South Coffeyville PWA
- 2017-01-31: BEGGS, CITY OF, Beggs: OK0028177, held by Beggs, City of
- 2017-02-15: HEALDTON, CITY OF, Healdton: OK0027413, held by Healdton, City of
- 2017-02-20: FAIRFAX PUBLIC WORKS AUTH, Fairfax: OK0029017, held by Fairfax PWA
- 2017-02-22: PENSACOLA PUB WORKS AUTHORITY, Pensacola: OK0040410, held by Pensacola PWA
- 2017-04-06: CHECOTAH WWTP, Checotah: OK0028100, held by Checotah PWA
- 2017-05-23: WETUMKA-SOUTH WWTF, Wetumka: OK0032417, held by Wetumka South WWTF
- 2017-06-15: OILTON WA, Oilton: OK0035599, held by Oilton PWA
- 2017-06-28: ADA, CITY OF, Ada: OK0026115, held by Ada, City of
- 2017-07-21: FRANCIS WWT, Francis: OK0036064, held by Francis PWA
OWASSO PUBLIC WORKS AUTHORITY among its neighbors
4 discharge permits are in the Ranch Creek-Bird Creek subwatershed (HUC 110701070404); OK0020303 is one. Its county: 55, 9 major; OK0020303 is major permit.
Other permits in the Ranch Creek-Bird Creek subwatershed (HUC 110701070404)
- DOLESE BROS. CO. - MOHAWK, City Of Tulsa: OKG110080, minor, term to 2029-02-28
- OK AIR NAT'L GUARD-TULSA IAP, Tulsa: OK0040819, minor, term to 2016-07-31
- TULSA MUA - NORTH, Tulsa: OK0026221, major, term to 2022-12-31
Identity
| Facility | OWASSO PUBLIC WORKS AUTHORITY |
|---|---|
| Permittee | Owasso PWA |
| NPDES ID | OK0020303 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Major |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 6, 2017 |
| Expires | April 30, 2022 |
| Agency | ODEQ |
| Address | Owasso, OK 74055 |
| Receiving water | 121300 trib/Owasso Ck/Bird Ck/Verdigris |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Ranch Creek-Bird Creek (HUC 110701070404) |
| Program components on file | Biosolids, POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
NPDES OK0020303: effluent limits and exceedances
OWASSO PUBLIC WORKS AUTHORITY (NPDES OK0020303): 52 pollutants on file, 50 limited; 25 with a violation of any kind, 7 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 12 | 60 | 31 | March 31, 2025 | 383% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 26 | 15 | September 30, 2025 | 1,075% over the limit |
| Solids, total suspended | 3 | 20 | 9 | April 30, 2016 | 1,764% over the limit |
| E. coli | 4 | 10 | 6 | June 30, 2022 | 14,678% over the limit |
| Coliform, fecal general | 0 | 4 | 2 | June 30, 2013 | 14,900% over the limit |
| pH | 4 | 20 | 1 | August 31, 2005 | |
| Oxygen, dissolved [DO] | 1 | 4 | 1 | May 31, 2019 | 26% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 10 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 9 | 0 | ||
| %Mortality 7Day Chronic Ceriodaphnia dubia | 1 | 7 | 0 | ||
| %Mortality Static Renewal 7Day Chronic Pimephales Promelas | 1 | 7 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 1 | 7 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 7 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 1 | 7 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 7 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 1 | 7 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 6 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 1 | 6 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 6 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 1 | 6 | 0 | ||
| Manganese, total [as Mn] | 1 | 1 | 0 | ||
| Whole effluent toxicity - retest #1 | 1 | 1 | 0 | ||
| Whole effluent toxicity - retest #2 | 1 | 1 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 1 | 0 | ||
| Chlorine, total residual | 0 | 1 | 0 | ||
| Arsenic, dry weight | 5 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 5 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 2 | 0 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 2 | 0 | 0 | ||
| Level of pathogen requirements achieved | 2 | 0 | 0 | ||
| Description of pathogen option used | 2 | 0 | 0 | ||
| Vector attraction reduction alternative used | 2 | 0 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 0 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 0 | 0 | ||
| Annual amt of sludge incinerated | 1 | 0 | 0 | ||
| Annual sludge production, total | 1 | 0 | 0 | ||
| Annual amount of sludge land applied | 1 | 0 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 0 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 0 | 0 | ||
| Annual amt sludge transported interstate | 1 | 0 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 0 | 0 | ||
| Unit boundary to property line distance | 1 | 0 | 0 | ||
| Solids, total dissolved- 180 deg. C | 1 | 0 | 0 | ||
| Pollutant table from 503.13 | 1 | 0 | 0 |
NPDES OK0020303: inspections, violations and enforcement
NPDES OK0020303: 4 single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 6, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| November 6, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 5, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| November 17, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES OK0020303 (OWASSO PUBLIC WORKS AUTHORITY): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES OK0020303
NPDES OK0020303: one email when its EPA record changes — $99/month.
Permits near NPDES OK0020303
NPDES OK0020303: 52 pollutant rows, 4 dated events; ICIS-NPDES download, loaded October 14, 2026.