Clean Water Act discharge permit · NPDES KY0028096
CLAY STP, Clay, KY: NPDES KY0028096 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
CLAY STP, held by Clay STP, holds NPDES permit KY0028096, which discharges to Crab Orchard Crk. EPA’s file records it issued February 6, 2019 and expiring March 31, 2024.
CLAY STP, Clay, Kentucky: Individual permit KY0028096, held by Clay STP; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued February 6, 2019, term to March 31, 2024; discharges to CRAB ORCHARD CRK; Sewage Treatment Facilities.
- Nitrogen, ammonia total [as N]: 2 limits, 312 violations of any kind, 312 effluent exceedances, latest December 31, 2023, largest 750% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 0 limits, 276 violations of any kind, 276 effluent exceedances, latest January 31, 2013, largest 1,000% over the limit.
- Solids, total suspended: 6 limits, 206 violations of any kind, 206 effluent exceedances, latest May 31, 2026, largest 667% over the limit.
- Solids, suspended percent removal: 1 limit, 137 violations of any kind, 137 effluent exceedances, latest June 30, 2026, largest 99,999% over the limit.
- E. coli: 2 limits, 66 violations of any kind, 66 effluent exceedances, latest February 28, 2025, largest 99,999% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 61 violations of any kind, 61 effluent exceedances, latest December 31, 2012, largest 53% over the limit.
- BOD, carb-5 day, 20 deg C, percent removal: 0 limits, 48 violations of any kind, 48 effluent exceedances, latest February 28, 2013, largest 567% over the limit.
- BOD, 5-day, percent removal: 1 limit, 38 violations of any kind, 38 effluent exceedances, latest June 30, 2026, largest 273% over the limit.
- BOD, 5-day, 20 deg. C: 8 limits, 36 violations of any kind, 36 effluent exceedances, latest June 30, 2025, largest 84% over the limit.
- Coliform, fecal general: 0 limits, 21 violations of any kind, 21 effluent exceedances, latest November 30, 2006, largest 99,999% over the limit.
- pH: 2 limits, 7 violations of any kind, 7 effluent exceedances, latest April 30, 2025.
- Chlorine, total residual: 0 limits, 7 violations of any kind, 7 effluent exceedances, latest May 31, 2013, largest 953% over the limit.
- Flow, in conduit or thru treatment plant: 4 limits, 8 violations of any kind, 0 effluent exceedances.
- Streamflow: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Hardness, total [as CaCO3]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Copper, total recoverable: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Phosphorus, total [as P]: 6 limits, 2 violations of any kind, 0 effluent exceedances.
- Nitrogen, total [as N]: 4 limits, 2 violations of any kind, 0 effluent exceedances.
- Temperature, water deg. fahrenheit: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Oil & Grease: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Nitrogen, Kjeldahl Total: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Nitrite Plus Nitrate Total: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Solids, total dissolved [TDS]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Zinc, total recoverable: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Cadmium, total recoverable: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Lead, total recoverable: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- July 30, 2026: Notice of Violation (State).
- April 2, 2026: Management Practice Violations - Improper Operation and Maintenance (ST6).
- April 2, 2026: Permit Violations - Violation Specified in Comment (ST6).
- April 2, 2026: Evaluation (S).
- July 10, 2025: Permit Violations - Violation Specified in Comment (ST6).
- July 10, 2025: Management Practice Violations - Improper Operation and Maintenance (ST6).
- June 13, 2023: Permit Violations - Violation Specified in Comment (ST6).
- June 13, 2023: Management Practice Violations - Improper Operation and Maintenance (ST6).
- March 9, 2022: Management Practice Violations - Improper Operation and Maintenance (ST6).
- March 9, 2022: Permit Violations - Violation Specified in Comment (ST6).
- March 10, 2021: Permit Violations - Violation Specified in Comment (ST6).
- March 10, 2021: Management Practice Violations - Improper Operation and Maintenance (ST6).
- October 14, 2019: Management Practice Violations - Improper Operation and Maintenance (ST6).
- October 14, 2019: Permit Violations - Violation Specified in Comment (ST6).
- March 20, 2019: Management Practice Violations - Improper Operation and Maintenance (ST6).
- March 20, 2019: Permit Violations - Violation Specified in Comment (ST6).
- April 11, 2018: Management Practice Violations - Improper Operation and Maintenance (ST6).
- April 11, 2018: Permit Violations - Violation Specified in Comment (ST6).
- January 4, 2017: Management Practice Violations - Improper Operation and Maintenance (ST6).
Kentucky holds 294 Publicly owned treatment works coverages of this permit type in EPA’s file; 205 were issued before KY0028096.
Coverages issued nearest KY0028096
- December 21, 2018: JENKINS STP, Jenkins, KY0038571, held by Jenkins STP
- February 4, 2019: FARMDALE WWTP, Frankfort, KY0054780, held by Farmdale WWTP
- February 6, 2019: GRAYSON STP, Grayson, KY0020931, held by Grayson STP
- February 6, 2019: CLINTON STP, Clinton, KY0025275, held by Clinton STP
- February 6, 2019: CLOVERPORT STP, Cloverport, KY0026701, held by Cloverport STP
- February 6, 2019: VICCO STP, Vicco, KY0060259, held by Vicco STP
- February 6, 2019: MEADOWBROOK SUBDIVISION, Frankfort, KY0074951, held by Meadowbrook Subdivision
- February 6, 2019: FARMGATE WWTP, Frankfort, KY0074969, held by Farmgate WWTP
- February 6, 2019: EDGEWOOD WWTP, Frankfort, KY0074977, held by Edgewood WWTP
- February 6, 2019: EVERGREEN WWTP, Frankfort, KY0078298, held by Evergreen WWTP
CLAY STP among its neighbors
EPA’s permit file holds 3 discharge permits in the Wolf Creek-Tradewater River subwatershed (HUC 051402050307), KY0028096 among them. Its county holds 18, 1 of them major permits; KY0028096 is a minor permit.
Other permits in the Wolf Creek-Tradewater River subwatershed (HUC 051402050307)
- PROVIDENCE WWTP, Providence: KY0021296, minor permit, discharging to OWENS CRK / UT, permit term to June 30, 2024
- PROVIDENCE WWTP, Providence: KYL021296, minor permit, permit term to December 31, 2025
Identity
| Facility as filed | CLAY STP |
|---|---|
| Permittee as filed | Clay STP |
| NPDES ID | KY0028096 |
| 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 | February 6, 2019 |
| Expiration date | March 31, 2024 |
| Address | Clay, KY 42404 |
| Receiving water | CRAB ORCHARD CRK |
| Subwatershed | Wolf Creek-Tradewater River (HUC 051402050307) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 26Pollutants on file
- 16Under a numeric limit
- 26With a violation of any kind
- 12With 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] | 2 | 312 | 312 | December 31, 2023 | 750% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 0 | 276 | 276 | January 31, 2013 | 1,000% over the limit |
| Solids, total suspended | 6 | 206 | 206 | May 31, 2026 | 667% over the limit |
| Solids, suspended percent removal | 1 | 137 | 137 | June 30, 2026 | 99,999% over the limit |
| E. coli | 2 | 66 | 66 | February 28, 2025 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 1 | 61 | 61 | December 31, 2012 | 53% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 0 | 48 | 48 | February 28, 2013 | 567% over the limit |
| BOD, 5-day, percent removal | 1 | 38 | 38 | June 30, 2026 | 273% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 36 | 36 | June 30, 2025 | 84% over the limit |
| Coliform, fecal general | 0 | 21 | 21 | November 30, 2006 | 99,999% over the limit |
| pH | 2 | 7 | 7 | April 30, 2025 | |
| Chlorine, total residual | 0 | 7 | 7 | May 31, 2013 | 953% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 8 | 0 | ||
| Streamflow | 0 | 4 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 4 | 0 | ||
| Copper, total recoverable | 0 | 4 | 0 | ||
| Phosphorus, total [as P] | 6 | 2 | 0 | ||
| Nitrogen, total [as N] | 4 | 2 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 2 | 0 | ||
| Oil & Grease | 2 | 2 | 0 | ||
| Nitrogen, Kjeldahl Total | 2 | 2 | 0 | ||
| Nitrite Plus Nitrate Total | 2 | 2 | 0 | ||
| Solids, total dissolved [TDS] | 2 | 2 | 0 | ||
| Zinc, total recoverable | 0 | 2 | 0 | ||
| Cadmium, total recoverable | 0 | 2 | 0 | ||
| Lead, total recoverable | 0 | 2 | 0 |
Inspections, violations and enforcement
- 17Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 2, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| April 2, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| July 10, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| July 10, 2025 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| June 13, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| June 13, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| March 9, 2022 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| March 9, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| March 10, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| March 10, 2021 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| October 14, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| October 14, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| March 20, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| March 20, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| April 11, 2018 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| April 11, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| January 4, 2017 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| April 2, 2026 | Evaluation | S |
Formal enforcement and penalties
0 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.
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| July 30, 2026 | Notice of Violation | 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, KY0028096.
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
- Discharge permits in Clay
- Every permit record in Clay, A to Z
- Discharge permits in Kentucky
- Every permit record in Kentucky, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.