NPDES OK0026221 · Clean Water Act
TULSA MUA - NORTH, Tulsa, OK: NPDES OK0026221 discharge permit, effluent exceedances, inspections, penalties
TULSA MUA - NORTH, Tulsa, Oklahoma: Individual permit OK0026221, held by Tulsa MUA - Northside; Publicly owned treatment works; Administratively continued; issued December 11, 2017, term to December 31, 2022, by ODEQ; discharges to 121300010010 Bird Ck/Verdigris R; Sewage Treatment Facilities.
27 of the 56 pollutants listed for NPDES OK0026221 have no violation or effluent exceedance.
- Stream flow, estimated: 6 limits, 26 violations of any kind, 25 effluent exceedances, latest September 30, 2023, largest 29% over the limit.
- Nitrogen, ammonia total [as N]: 12 limits, 29 violations of any kind, 14 effluent exceedances, latest April 30, 2026, largest 82% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 20 violations of any kind, 10 effluent exceedances, latest June 30, 2025, largest 127% over the limit.
- Solids, total suspended: 3 limits, 17 violations of any kind, 9 effluent exceedances, latest March 31, 2018, largest 233% over the limit.
- Arsenic, total [as As]: 3 limits, 10 violations of any kind, 7 effluent exceedances, latest March 31, 2024, largest 237% over the limit.
- Chlorine, total residual: 2 limits, 7 violations of any kind, 6 effluent exceedances, latest April 30, 2020, largest 1,395% over the limit.
- E. coli: 4 limits, 5 violations of any kind, 5 effluent exceedances, latest September 30, 2022, largest 99,999% over the limit.
- Oxygen, dissolved [DO]: 2 limits, 6 violations of any kind, 4 effluent exceedances, latest April 30, 2018, largest 14% over the limit.
- Cadmium, total [as Cd]: 3 limits, 17 violations of any kind, 1 effluent exceedance, latest September 30, 2013, largest 14% over the limit.
- pH: 6 limits, 11 violations of any kind, 1 effluent exceedance, latest September 30, 2011.
- Coliform, fecal general: 0 limits, 3 violations of any kind, 1 effluent exceedance, latest March 31, 2003, largest 8% over the limit.
- Coliform, fecal - % samples exceeding limit: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest August 31, 2011, largest 61% over the limit.
- Cyanide, total [as CN]: 12 limits, 33 violations of any kind.
- Mercury, total [as Hg]: 12 limits, 24 violations of any kind.
- Flow, in conduit or thru treatment plant: 2 limits, 11 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 4 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 4 violations of any kind.
- Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia: 2 limits, 4 violations of any kind.
- Coef Of Var Static Renewal 7Day Chronic Pimephales promelas: 2 limits, 4 violations of any kind.
- Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 2 violations of any kind.
- Pass/Fail Static Renewal 7Day Chronic Pimephales promelas: 2 limits, 2 violations of any kind.
- %Mortality 7Day Chronic Ceriodaphnia dubia: 2 limits, 2 violations of any kind.
- %Mortality Static Renewal 7Day Chronic Pimephales Promelas: 2 limits, 2 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 2 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 2 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 2 limits, 2 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 2 limits, 2 violations of any kind.
- Whole effluent toxicity - retest #1: 2 limits, 1 violation of any kind.
- Whole effluent toxicity - retest #2: 2 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.
- Compliance w/part 258 sludge requirement: 1 limit.
- Pollutant table from 503.13: 1 limit.
- August 13, 2026: Letter of Violation/ Warning Letter (State).
- August 12, 2026: Letter of Violation/ Warning Letter (State).
- May 27, 2026: Evaluation (S).
- March 11, 2026: Evaluation (S).
- January 23, 2026: State Administrative Order of Consent (State).
- October 5, 2025: Effluent Violations - Unapproved Bypass (ST6).
- September 7, 2025: Effluent Violations - Unapproved Bypass (ST6).
- August 29, 2025: Effluent Violations - Unapproved Bypass (ST6).
- October 22, 2020: Effluent Violations - Unapproved Bypass (ST6).
- October 21, 2020: Effluent Violations - Unapproved Bypass (ST6).
- October 1, 2020: Effluent Violations - Unapproved Bypass (ST6).
- January 26, 2020: Permit Violations - Violation Specified in Comment (ST6).
- January 9, 2019: Permit Violations - Violation Specified in Comment (ST6).
- October 4, 2018: Effluent Violations - Unapproved Bypass (ST6).
- October 2, 2018: Effluent Violations - Unapproved Bypass (ST6).
- September 23, 2018: Effluent Violations - Unapproved Bypass (ST6).
Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 106 were issued before OK0026221.
Coverages issued nearest OK0026221
- 2017-09-05: CALVIN PWA, Calvin, Township Of: OK0037818, held by Calvin PWA
- 2017-09-12: CLEVELAND SOUTH WWTP, Cleveland: OK0028347, held by Cleveland, City of (South)
- 2017-10-09: GROVE MSA, Grove: OK0028886, held by Grove Municipal Service Authority
- 2017-10-25: STONEY RESORT, Jay: OK0037842, held by Pine Island RV Resort, Inc.
- 2017-11-09: PITTSBURG CO RWD #20 -- CARLTON LANDING WWTF, Eufaula: OK0100625, held by Pittsburg Co RWD #20
- 2017-12-14: BIXBY PULBIC WORKS AUTHORITY, Bixby: OK0026913, held by Bixby PWA-South
- 2018-04-02: SPINNAKER PT. HOMEOWNER'S ASS., Afton: OK0021458, held by Spinnaker Point HOA
- 2018-04-02: JOHN H LILLEY CORRECTIONAL CNTR, Boley: OK0044971, held by John Lilley Correctional Center
- 2018-04-10: DEWEY PUBLIC WORKS AUTHORITY, Dewey: OK0022551, held by Dewey PWA
- 2018-04-10: MANNFORD PWA - MAIN WWTP, Mannford: OK0022802, held by Mannford PWA-Main
TULSA MUA - NORTH among its neighbors
4 discharge permits are in the Ranch Creek-Bird Creek subwatershed (HUC 110701070404); OK0026221 is one. Its county: 55, 9 major; OK0026221 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
- OWASSO PUBLIC WORKS AUTHORITY, Owasso: OK0020303, major, term to 2022-04-30
Identity
| Facility | TULSA MUA - NORTH |
|---|---|
| Permittee | Tulsa MUA - Northside |
| NPDES ID | OK0026221 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Major |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 11, 2017 |
| Expires | December 31, 2022 |
| Agency | ODEQ |
| Address | Tulsa, OK 74117 |
| Receiving water | 121300010010 Bird Ck/Verdigris R |
| 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 |
| Other EPA IDs (FRS) | RCRA handler OKR000017053 |
NPDES OK0026221: effluent limits and exceedances
TULSA MUA - NORTH (NPDES OK0026221): 56 pollutants on file, 54 limited; 29 with a violation of any kind, 12 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Stream flow, estimated | 6 | 26 | 25 | September 30, 2023 | 29% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 29 | 14 | April 30, 2026 | 82% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 20 | 10 | June 30, 2025 | 127% over the limit |
| Solids, total suspended | 3 | 17 | 9 | March 31, 2018 | 233% over the limit |
| Arsenic, total [as As] | 3 | 10 | 7 | March 31, 2024 | 237% over the limit |
| Chlorine, total residual | 2 | 7 | 6 | April 30, 2020 | 1,395% over the limit |
| E. coli | 4 | 5 | 5 | September 30, 2022 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 2 | 6 | 4 | April 30, 2018 | 14% over the limit |
| Cadmium, total [as Cd] | 3 | 17 | 1 | September 30, 2013 | 14% over the limit |
| pH | 6 | 11 | 1 | September 30, 2011 | |
| Coliform, fecal general | 0 | 3 | 1 | March 31, 2003 | 8% over the limit |
| Coliform, fecal - % samples exceeding limit | 0 | 1 | 1 | August 31, 2011 | 61% over the limit |
| Cyanide, total [as CN] | 12 | 33 | 0 | ||
| Mercury, total [as Hg] | 12 | 24 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 11 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 4 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 2 | 4 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 2 | 4 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| %Mortality 7Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| %Mortality Static Renewal 7Day Chronic Pimephales Promelas | 2 | 2 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| Whole effluent toxicity - retest #1 | 2 | 1 | 0 | ||
| Whole effluent toxicity - retest #2 | 2 | 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 | ||
| Compliance w/part 258 sludge requirement | 1 | 0 | 0 | ||
| Pollutant table from 503.13 | 1 | 0 | 0 |
NPDES OK0026221: inspections, violations and enforcement
NPDES OK0026221: 11 single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 5, 2025 | Effluent Violations - Unapproved Bypass | ST6 |
| September 7, 2025 | Effluent Violations - Unapproved Bypass | ST6 |
| August 29, 2025 | Effluent Violations - Unapproved Bypass | ST6 |
| October 22, 2020 | Effluent Violations - Unapproved Bypass | ST6 |
| October 21, 2020 | Effluent Violations - Unapproved Bypass | ST6 |
| October 1, 2020 | Effluent Violations - Unapproved Bypass | ST6 |
| January 26, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
| January 9, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| October 4, 2018 | Effluent Violations - Unapproved Bypass | ST6 |
| October 2, 2018 | Effluent Violations - Unapproved Bypass | ST6 |
| September 23, 2018 | Effluent Violations - Unapproved Bypass | ST6 |
NPDES OK0026221: 2 inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| May 27, 2026 | Evaluation | S |
| March 11, 2026 | Evaluation | S |
NPDES OK0026221: 1 formal enforcement action
0 of them with a penalty assessed. How penalties are shown.
| Date | What EPA recorded | Agency | Federal penalty | State or local penalty |
|---|---|---|---|---|
| January 23, 2026 | State Administrative Order of Consent | State |
NPDES OK0026221: 2 informal enforcement actions
| Date | What EPA recorded | Agency |
|---|---|---|
| August 13, 2026 | Letter of Violation/ Warning Letter | State |
| August 12, 2026 | Letter of Violation/ Warning Letter | State |
Watch NPDES OK0026221
NPDES OK0026221: one email when its EPA record changes — $99/month.
Permits near NPDES OK0026221
NPDES OK0026221: 56 pollutant rows, 16 dated events; ICIS-NPDES download, loaded October 14, 2026.