Clean Water Act discharge permit · NPDES OK0028266
HENRYETTA, CITY OF, Henryetta, OK: NPDES OK0028266 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 47Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
- 1Inspections on file
- 1Formal enforcement actions
HENRYETTA, CITY OF, held by Henryetta, City of, holds NPDES permit OK0028266, which discharges to 520700010140_00 Coal Creek/Lake Eufaula. EPA’s file records it issued February 4, 2016 and expiring February 28, 2021.
HENRYETTA, CITY OF, Henryetta, Oklahoma: Individual permit OK0028266, held by Henryetta, City of; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued February 4, 2016, term to February 28, 2021, by ODEQ; discharges to 520700010140_00 Coal Creek/Lake Eufaula; Sewage Treatment Facilities.
- Nitrogen, ammonia total [as N]: 12 limits, 100 violations of any kind, 49 effluent exceedances, latest July 31, 2022, largest 555% over the limit.
- Solids, total suspended: 6 limits, 36 violations of any kind, 5 effluent exceedances, latest September 30, 2015, largest 41% over the limit.
- Oxygen, dissolved [DO]: 2 limits, 11 violations of any kind, 1 effluent exceedance, latest January 31, 2009, largest 1% over the limit.
- pH: 4 limits, 34 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 5 limits, 31 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 5 limits, 31 violations of any kind, 0 effluent exceedances.
- BOD, carbonaceous [5 day, 20 C]: 9 limits, 30 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 27 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 27 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 27 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 27 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 27 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 27 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 27 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 20 violations of any kind, 0 effluent exceedances.
- Level of pathogen requirements achieved: 2 limits, 12 violations of any kind, 0 effluent exceedances.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 1 limit, 11 violations of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 2 limits, 10 violations of any kind, 0 effluent exceedances.
- Description of pathogen option used: 2 limits, 10 violations of any kind, 0 effluent exceedances.
- Vector attraction reduction alternative used: 2 limits, 10 violations of any kind, 0 effluent exceedances.
- Pollutant table from 503.13: 1 limit, 10 violations of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 9 violations of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 9 violations of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 9 violations of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 8 violations of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 8 violations of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 8 violations of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 8 violations of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 1 limit, 8 violations of any kind, 0 effluent exceedances.
- Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Pass/Fail Static Renewal 7Day Chronic Pimephales promelas: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- %Mortality 7Day Chronic Ceriodaphnia dubia: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- %Mortality Static Renewal 7Day Chronic Pimephales Promelas: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Coef Of Var Static Renewal 7Day Chronic Pimephales promelas: 1 limit, 7 violations of any kind, 0 effluent exceedances.
- Compliance w/part 258 sludge requirement: 1 limit, 5 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
- Annual whole sludge application rate: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Unit w/liner/leachate collection system: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Unit boundary to property line distance: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Whole effluent toxicity - retest #1: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- Whole effluent toxicity - retest #2: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- August 17, 2026: Letter of Violation/ Warning Letter (State).
- May 19, 2026: State CWA Non Penalty AO (State).
- May 6, 2026: Evaluation (S).
- June 18, 2025: Effluent Violations - Unapproved Bypass (ST6).
- June 6, 2025: Effluent Violations - Unapproved Bypass (ST6).
- June 4, 2025: Effluent Violations - Unapproved Bypass (ST6).
- May 19, 2023: Effluent Violations - Unapproved Bypass (ST6).
- March 24, 2023: Effluent Violations - Unapproved Bypass (ST6).
- February 11, 2023: Effluent Violations - Unapproved Bypass (ST6).
- March 7, 2019: Permit Violations - Violation Specified in Comment (ST6).
- February 16, 2018: Permit Violations - Violation Specified in Comment (ST6).
- March 28, 2017: Permit Violations - Violation Specified in Comment (ST6).
Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 49 were issued before OK0028266. Henryetta, City of holds 2 permits in Oklahoma.
Other permits held by Henryetta, City of
- HENRYETTA WTP, Henryetta: OK0002551, issued April 9, 2021
Coverages issued nearest OK0028266
- December 7, 2015: NEWCASTLE PUBLIC WORKS AUTH., Newcastle, OK0028614, held by Newcastle PWA
- December 23, 2015: CHICKASHA MUNICIPAL AUTHORITY, Chickasha, OK0026018, held by Chickasha Municipal Authority
- December 29, 2015: CHOCTAW CO. RW & SD #1, Grant, OK0037826, held by Choctaw Co. RW & SD #1-Grant
- January 6, 2016: MCALESTER, CITY OF - EAST PLANT, Mcalester, OK0026107, held by McAlester WWTF-East Plant
- January 14, 2016: CHICKASAW TRIBAL UTILITIES AUTHORITY, Thackerville, OK0045721, held by Chickasaw Tribal Utilities Authority-Winstar WWT
- February 18, 2016: DUNCAN PUBLIC UTILITIES AUTH, Duncan, OK0026638, held by Duncan PWA
- February 24, 2016: MOORE, CITY OF, Moore, OK0027391, held by Moore, City of
- March 18, 2016: HEAVENER UTILITY AUTHORITY, Heavener, OK0038407, held by Heavener Utilities Authority
- April 6, 2016: STRATFORD PUBLIC WORKS AUTH., Stratford, OK0021865, held by Stratford PWA
- April 7, 2016: WISTER, CITY OF, Wister, OK0034118, held by Wister, City of
HENRYETTA, CITY OF among its neighbors
EPA’s permit file holds 2 discharge permits in the Coal Creek subwatershed (HUC 111003031004), OK0028266 among them. Its county holds 12, 3 of them major permits; OK0028266 is a major permit.
Other permits in the Coal Creek subwatershed (HUC 111003031004)
- DEWAR PUBLIC WORKS AUTHORITY, Dewar: OK0027537, minor permit, discharging to 520700010140 Coal Ck/Canadian R. Basin, permit term to October 31, 2021
Identity
| Facility as filed | HENRYETTA, CITY OF |
|---|---|
| Permittee as filed | Henryetta, City of |
| NPDES ID | OK0028266 |
| 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 | February 4, 2016 |
| Expiration date | February 28, 2021 |
| Issuing agency | ODEQ |
| Address | Henryetta, OK 74437 |
| Receiving water | 520700010140_00 Coal Creek/Lake Eufaula |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Coal Creek (HUC 111003031004) |
| Program components on file | Biosolids, POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 47Pollutants on file
- 47Under a numeric limit
- 45With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 12 | 100 | 49 | July 31, 2022 | 555% over the limit |
| Solids, total suspended | 6 | 36 | 5 | September 30, 2015 | 41% over the limit |
| Oxygen, dissolved [DO] | 2 | 11 | 1 | January 31, 2009 | 1% over the limit |
| pH | 4 | 34 | 0 | ||
| Arsenic, dry weight | 5 | 31 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 5 | 31 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 9 | 30 | 0 | ||
| Selenium, dry weight | 3 | 27 | 0 | ||
| Copper, dry weight | 3 | 27 | 0 | ||
| Cadmium, dry weight | 3 | 27 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 27 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 27 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 27 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 27 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 20 | 0 | ||
| Level of pathogen requirements achieved | 2 | 12 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 11 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 1 | 11 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 11 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 1 | 11 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 11 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 1 | 11 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 2 | 10 | 0 | ||
| Description of pathogen option used | 2 | 10 | 0 | ||
| Vector attraction reduction alternative used | 2 | 10 | 0 | ||
| Pollutant table from 503.13 | 1 | 10 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 9 | 0 | ||
| Annual sludge production, total | 1 | 9 | 0 | ||
| Annual amount of sludge land applied | 1 | 9 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 8 | 0 | ||
| Annual amt of sludge incinerated | 1 | 8 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 8 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 8 | 0 | ||
| Annual amt sludge transported interstate | 1 | 8 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 7 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 1 | 7 | 0 | ||
| %Mortality 7Day Chronic Ceriodaphnia dubia | 1 | 7 | 0 | ||
| %Mortality Static Renewal 7Day 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 | ||
| Compliance w/part 258 sludge requirement | 1 | 5 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 2 | 4 | 0 | ||
| Annual whole sludge application rate | 1 | 4 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 2 | 0 | ||
| Unit boundary to property line distance | 1 | 2 | 0 | ||
| Whole effluent toxicity - retest #1 | 1 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 1 | 0 | 0 |
Inspections, violations and enforcement
- 9Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 18, 2025 | Effluent Violations - Unapproved Bypass | ST6 |
| June 6, 2025 | Effluent Violations - Unapproved Bypass | ST6 |
| June 4, 2025 | Effluent Violations - Unapproved Bypass | ST6 |
| May 19, 2023 | Effluent Violations - Unapproved Bypass | ST6 |
| March 24, 2023 | Effluent Violations - Unapproved Bypass | ST6 |
| February 11, 2023 | Effluent Violations - Unapproved Bypass | ST6 |
| March 7, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| February 16, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| March 28, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| May 6, 2026 | Evaluation | S |
Formal enforcement and penalties
1 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.
| Date | What EPA recorded | Agency | Federal penalty | State or local penalty |
|---|---|---|---|---|
| May 19, 2026 | State CWA Non Penalty AO | State |
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| August 17, 2026 | Letter of Violation/ Warning Letter | State |
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, OK0028266.
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
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.