Clean Water Act discharge permit · NPDES KY0092436
IRVINGTON STP, Irvington, KY: NPDES KY0092436 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
IRVINGTON STP, held by Irvington STP, holds NPDES permit KY0092436, which discharges to Sinkhole. EPA’s file records it issued May 10, 2018 and expiring June 30, 2023.
IRVINGTON STP, Irvington, Kentucky: Individual permit KY0092436, held by Irvington STP; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued May 10, 2018, term to June 30, 2023; discharges to SINKHOLE; Sewage Treatment Facilities.
- Nitrogen, ammonia total [as N]: 4 limits, 98 violations of any kind, 66 effluent exceedances, latest February 28, 2026, largest 2,350% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 6 limits, 76 violations of any kind, 40 effluent exceedances, latest March 31, 2026, largest 307% over the limit.
- Solids, total suspended: 6 limits, 47 violations of any kind, 15 effluent exceedances, latest April 30, 2020, largest 284% over the limit.
- Chlorine, total residual: 2 limits, 19 violations of any kind, 11 effluent exceedances, latest February 28, 2026, largest 526,216% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 14 violations of any kind, 9 effluent exceedances, latest September 30, 2025, largest 17% over the limit.
- Solids, suspended percent removal: 1 limit, 20 violations of any kind, 8 effluent exceedances, latest November 30, 2019, largest 233% over the limit.
- E. coli: 2 limits, 9 violations of any kind, 5 effluent exceedances, latest October 31, 2023, largest 908% over the limit.
- pH: 2 limits, 11 violations of any kind, 3 effluent exceedances, latest April 30, 2024.
- BOD, carb-5 day, 20 deg C, percent removal: 1 limit, 6 violations of any kind, 1 effluent exceedance, latest September 30, 2016, largest 120% over the limit.
- Coliform, fecal general: 0 limits, 5 violations of any kind, 1 effluent exceedance, latest June 30, 2005, largest 50% over the limit.
- Flow, in conduit or thru treatment plant: 4 limits, 34 violations of any kind, 0 effluent exceedances.
- Hardness, total [as CaCO3]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Cadmium, total recoverable: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Copper, total recoverable: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Cadmium, dissolved [as Cd]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Copper, dissolved [as Cu]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Lead, dissolved [as Pb]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Zinc, dissolved [as Zn]: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Zinc, 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.
- Phosphorus, total [as P]: 6 limits, 0 violations of any kind, 0 effluent exceedances.
- Nitrogen, total [as N]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Temperature, water deg. fahrenheit: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Oil & Grease: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Nitrogen, Kjeldahl Total: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Nitrite Plus Nitrate Total: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Solids, total dissolved [TDS]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- August 6, 2026: Reconnaissance without Sampling (S).
- January 12, 2023: Permit Violations - Violation Specified in Comment (ST6).
Kentucky holds 294 Publicly owned treatment works coverages of this permit type in EPA’s file; 159 were issued before KY0092436.
Coverages issued nearest KY0092436
- May 1, 2018: STURGIS STP, Sturgis, KY0025895, held by Sturgis STP
- May 1, 2018: MIDWAY STP, Midway, KY0028410, held by Midway STP
- May 3, 2018: NORTH MIDDLETOWN WWTP, North Middletown, KY0031836, held by Kentucky American Water
- May 4, 2018: SLADE-NADA WWTP, Stanton, KY0104078, held by Slade-Nada WWTP
- May 10, 2018: ISLAND STP, Island, KY0066605, held by Island STP
- May 25, 2018: SOUTH SHORE STP, South Shore, KY0026131, held by South Shore STP
- May 25, 2018: PIKE COUNTY PHELPS FREEBURN STP, Freeburn, KY0104442, held by Pike County Phelps Freeburn STP
- June 5, 2018: OLIVE HILL STP, Olive Hill, KY0025925, held by Olive Hill STP
- June 26, 2018: LA CENTER WWTP, La Center, KY0020893, held by La Center WWTP
- June 26, 2018: AURORA WWTP, Aurora, KY0024546, held by Marshall County Sanitation District #1
IRVINGTON STP among its neighbors
EPA’s permit file holds 1 discharge permits in the Irvington-Sinking Creek subwatershed (HUC 051401041303), KY0092436 among them. Its county holds 11, 0 of them major permits; KY0092436 is a minor permit.
Identity
| Facility as filed | IRVINGTON STP |
|---|---|
| Permittee as filed | Irvington STP |
| NPDES ID | KY0092436 |
| 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 | May 10, 2018 |
| Expiration date | June 30, 2023 |
| Address | Irvington, KY 40146 |
| Receiving water | SINKHOLE |
| Subwatershed | Irvington-Sinking Creek (HUC 051401041303) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 27Pollutants on file
- 20Under a numeric limit
- 20With a violation of any kind
- 10With 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] | 4 | 98 | 66 | February 28, 2026 | 2,350% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 76 | 40 | March 31, 2026 | 307% over the limit |
| Solids, total suspended | 6 | 47 | 15 | April 30, 2020 | 284% over the limit |
| Chlorine, total residual | 2 | 19 | 11 | February 28, 2026 | 526,216% over the limit |
| Oxygen, dissolved [DO] | 1 | 14 | 9 | September 30, 2025 | 17% over the limit |
| Solids, suspended percent removal | 1 | 20 | 8 | November 30, 2019 | 233% over the limit |
| E. coli | 2 | 9 | 5 | October 31, 2023 | 908% over the limit |
| pH | 2 | 11 | 3 | April 30, 2024 | |
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 6 | 1 | September 30, 2016 | 120% over the limit |
| Coliform, fecal general | 0 | 5 | 1 | June 30, 2005 | 50% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 34 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 2 | 0 | ||
| Cadmium, total recoverable | 2 | 2 | 0 | ||
| Copper, total recoverable | 2 | 2 | 0 | ||
| Cadmium, dissolved [as Cd] | 0 | 2 | 0 | ||
| Copper, dissolved [as Cu] | 0 | 2 | 0 | ||
| Lead, dissolved [as Pb] | 0 | 2 | 0 | ||
| Zinc, dissolved [as Zn] | 0 | 2 | 0 | ||
| Zinc, total recoverable | 0 | 2 | 0 | ||
| Lead, total recoverable | 0 | 2 | 0 | ||
| Phosphorus, total [as P] | 6 | 0 | 0 | ||
| Nitrogen, total [as N] | 4 | 0 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Nitrogen, Kjeldahl Total | 2 | 0 | 0 | ||
| Nitrite Plus Nitrate Total | 2 | 0 | 0 | ||
| Solids, total dissolved [TDS] | 2 | 0 | 0 |
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 12, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| August 6, 2026 | Reconnaissance without Sampling | 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
EPA’s informal enforcement file holds no action for NPDES KY0092436.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.