Clean Water Act discharge permit · NPDES OK0028614
NEWCASTLE PUBLIC WORKS AUTH., Newcastle, OK: NPDES OK0028614 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
- 2Inspections on file
- 1Formal enforcement actions
NEWCASTLE PUBLIC WORKS AUTH., held by Newcastle PWA, holds NPDES permit OK0028614, which discharges to 520610010215_00 Tim'S Ck/Pond Ck/S Canadian. EPA’s file records it issued December 7, 2015 and expiring December 31, 2020.
NEWCASTLE PUBLIC WORKS AUTH., Newcastle, Oklahoma: Individual permit OK0028614, held by Newcastle PWA; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued December 7, 2015, term to December 31, 2020, by ODEQ; discharges to 520610010215_00 Tim's Ck/Pond Ck/S Canadian; Sewage Treatment Facilities.
- BOD, 5-day, 20 deg. C: 3 limits, 64 violations of any kind, 49 effluent exceedances, latest March 31, 2025, largest 963% over the limit.
- Solids, total suspended: 3 limits, 56 violations of any kind, 38 effluent exceedances, latest July 31, 2025, largest 447% over the limit.
- E. coli: 0 limits, 20 violations of any kind, 20 effluent exceedances, latest August 31, 2025, largest 98,422% over the limit.
- pH: 2 limits, 25 violations of any kind, 13 effluent exceedances, latest August 31, 2024.
- Coliform, fecal general: 2 limits, 20 violations of any kind, 9 effluent exceedances, latest July 31, 2021, largest 1,900% over the limit.
- Chlorine, total residual: 1 limit, 10 violations of any kind, 7 effluent exceedances, latest May 31, 2025, largest 2,122% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 12 violations of any kind, 0 effluent exceedances.
- October 8, 2026: Letter of Violation/ Warning Letter (State).
- June 12, 2026: Evaluation (S).
- March 27, 2026: Evaluation (S).
- March 12, 2026: State CWA Non Penalty AO (State).
- June 19, 2025: Effluent Violations - Unapproved Bypass (ST6).
- June 9, 2025: Effluent Violations - Unapproved Bypass (ST6).
- June 4, 2025: Effluent Violations - Unapproved Bypass (ST6).
- November 22, 2023: Effluent Violations - Unapproved Bypass (ST6).
- November 14, 2023: Effluent Violations - Unapproved Bypass (ST6).
- November 8, 2023: Effluent Violations - Unapproved Bypass (ST6).
- October 31, 2023: Effluent Violations - Unauthorized Discharge (ST6).
- October 24, 2023: Effluent Violations - Unauthorized Discharge (ST6).
- October 17, 2023: Effluent Violations - Unauthorized Discharge (ST6).
- October 5, 2023: Management Practice Violations - Improper Operation and Maintenance (ST6).
- October 3, 2023: Management Practice Violations - Improper Operation and Maintenance (ST6).
- September 28, 2023: Effluent Violations - Unauthorized Discharge (ST6).
- September 26, 2023: Management Practice Violations - Improper Operation and Maintenance (ST6).
- July 26, 2023: Effluent Violations - Unauthorized Discharge (ST6).
- May 5, 2021: Effluent Violations - Unauthorized Discharge (ST6).
- April 28, 2021: Effluent Violations - Unauthorized Discharge (ST6).
- April 24, 2021: Effluent Violations - Unauthorized Discharge (ST6).
Oklahoma holds 197 Publicly owned treatment works coverages of this permit type in EPA’s file; 44 were issued before OK0028614.
Coverages issued nearest OK0028614
- April 14, 2015: MIAMI, CITY OF-SOUTHEAST WTF, Miami, OK0031798, held by Miami WWTF-SE Plant
- April 15, 2015: MIDWEST CITY, CITY OF - NORTH, Midwest City, OK0026841, held by Midwest City, City of (Northside)
- May 11, 2015: EL RENO MUNICIPAL AUTHORITY, El Reno, OK0100382, held by El Reno Municipal Authority
- May 15, 2015: GUTHRIE, Guthrie, OK0027715, held by Guthrie PWA
- May 20, 2015: MCALESTER, CITY OF - WEST PLANT, Mcalester, OK0026093, held by McAlester City of (West Plant)
- 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 4, 2016: HENRYETTA, CITY OF, Henryetta, OK0028266, held by Henryetta, City of
NEWCASTLE PUBLIC WORKS AUTH. among its neighbors
EPA’s permit file holds 4 discharge permits in the Pond Creek-Canadian River subwatershed (HUC 110902020303), OK0028614 among them. Its county holds 5, 1 of them major permits; OK0028614 is a minor permit.
Other permits in the Pond Creek-Canadian River subwatershed (HUC 110902020303)
- MOORE, CITY OF, Moore: OK0027391, major permit, discharging to 520610010010 trib/ Canadian River, permit term to February 28, 2021
- OG&E-MCCLAIN, Newcastle: OK0045250, major permit, discharging to 520610010010_20 South Canadian, permit term to January 31, 2019
- OKLAHOMA CITY- S CANADIAN, Oklahoma City: OK0038385, major permit, discharging to 520610 trib/S Canadian R, permit term to April 30, 2014
Identity
| Facility as filed | NEWCASTLE PUBLIC WORKS AUTH. |
|---|---|
| Permittee as filed | Newcastle PWA |
| NPDES ID | OK0028614 |
| 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 | December 7, 2015 |
| Expiration date | December 31, 2020 |
| Issuing agency | ODEQ |
| Address | Newcastle, OK 73065 |
| Receiving water | 520610010215_00 Tim's Ck/Pond Ck/S Canadian |
| Subwatershed | Pond Creek-Canadian River (HUC 110902020303) |
| Program components on file | POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
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 | 64 | 49 | March 31, 2025 | 963% over the limit |
| Solids, total suspended | 3 | 56 | 38 | July 31, 2025 | 447% over the limit |
| E. coli | 0 | 20 | 20 | August 31, 2025 | 98,422% over the limit |
| pH | 2 | 25 | 13 | August 31, 2024 | |
| Coliform, fecal general | 2 | 20 | 9 | July 31, 2021 | 1,900% over the limit |
| Chlorine, total residual | 1 | 10 | 7 | May 31, 2025 | 2,122% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 12 | 0 |
Inspections, violations and enforcement
- 17Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 19, 2025 | Effluent Violations - Unapproved Bypass | ST6 |
| June 9, 2025 | Effluent Violations - Unapproved Bypass | ST6 |
| June 4, 2025 | Effluent Violations - Unapproved Bypass | ST6 |
| November 22, 2023 | Effluent Violations - Unapproved Bypass | ST6 |
| November 14, 2023 | Effluent Violations - Unapproved Bypass | ST6 |
| November 8, 2023 | Effluent Violations - Unapproved Bypass | ST6 |
| October 31, 2023 | Effluent Violations - Unauthorized Discharge | ST6 |
| October 24, 2023 | Effluent Violations - Unauthorized Discharge | ST6 |
| October 17, 2023 | Effluent Violations - Unauthorized Discharge | ST6 |
| October 5, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| October 3, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 28, 2023 | Effluent Violations - Unauthorized Discharge | ST6 |
| September 26, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| July 26, 2023 | Effluent Violations - Unauthorized Discharge | ST6 |
| May 5, 2021 | Effluent Violations - Unauthorized Discharge | ST6 |
| April 28, 2021 | Effluent Violations - Unauthorized Discharge | ST6 |
| April 24, 2021 | Effluent Violations - Unauthorized Discharge | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| June 12, 2026 | Evaluation | S |
| March 27, 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 |
|---|---|---|---|---|
| March 12, 2026 | State CWA Non Penalty AO | State |
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| October 8, 2026 | Letter of Violation/ Warning Letter | State |
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.