Clean Water Act discharge permit · NPDES KY0026352
LIBERTY STP, Liberty, KY: NPDES KY0026352 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 32Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
LIBERTY STP, held by Liberty STP, holds NPDES permit KY0026352, which discharges to Green River. EPA’s file records it issued June 19, 2020 and expiring July 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LIBERTY STP |
|---|---|
| Permittee as filed | Liberty STP |
| NPDES ID | KY0026352 |
| 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 | June 19, 2020 |
| Expiration date | July 31, 2025 |
| Address | Liberty, KY 42539 |
| Receiving water | GREEN RIVER |
| Subwatershed | Doe Creek-Green River (HUC 051100010106) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 53Pollutants on file
- 32Under a numeric limit
- 47With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 6 | 223 | 187 | July 31, 2026 | 987% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 159 | 131 | July 31, 2025 | 1,250% over the limit |
| E. coli | 2 | 139 | 131 | June 30, 2026 | 99,999% over the limit |
| Solids, suspended percent removal | 1 | 65 | 61 | March 31, 2026 | 453% over the limit |
| Solids, total suspended | 6 | 82 | 54 | October 31, 2024 | 490% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 38 | 34 | August 31, 2020 | 260% over the limit |
| Chlorine, total residual | 0 | 41 | 33 | November 30, 2017 | 2,058% over the limit |
| Coliform, fecal general | 0 | 15 | 13 | January 31, 2007 | 2,650% over the limit |
| Toxicity, final conc toxicity units | 1 | 12 | 9 | June 30, 2024 | 2,425% over the limit |
| Oxygen, dissolved [DO] | 1 | 11 | 8 | May 31, 2026 | 28% over the limit |
| Phosphorus, total [as P] | 10 | 14 | 0 | ||
| Zinc, total recoverable | 4 | 12 | 0 | ||
| Cadmium, total recoverable | 4 | 12 | 0 | ||
| Lead, total recoverable | 4 | 12 | 0 | ||
| Copper, total recoverable | 4 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| pH | 2 | 10 | 0 | ||
| Mercury, total recoverable | 4 | 9 | 0 | ||
| Cyanide, free [amenable to chlorination] | 4 | 8 | 0 | ||
| Chloride [as Cl] | 4 | 8 | 0 | ||
| Arsenic, total recoverable | 4 | 8 | 0 | ||
| Iron, total recoverable | 4 | 8 | 0 | ||
| Selenium, total recoverable | 4 | 8 | 0 | ||
| Nickel, total recoverable | 4 | 8 | 0 | ||
| Silver total recoverable | 4 | 8 | 0 | ||
| Chromium, total recoverable | 4 | 8 | 0 | ||
| Phenolics, total | 4 | 8 | 0 | ||
| Oil and grease | 0 | 8 | 0 | ||
| Chromium, hexavalent tot recoverable | 4 | 4 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 4 | 0 | ||
| Selenium, sludge, total, dry weight [as Se] | 0 | 4 | 0 | ||
| Silver, total dry weight, sludge mt | 0 | 4 | 0 | ||
| Arsenic total, dry weight, sludge | 0 | 4 | 0 | ||
| Solids, total, sludge, percent | 0 | 4 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 0 | 4 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 4 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 4 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 4 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 4 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 0 | 4 | 0 | ||
| Copper, sludge, total, dry weight [as Cu] | 0 | 4 | 0 | ||
| Cadmium, sludge, total, dry weight [as Cd] | 0 | 4 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 0 | 4 | 0 | ||
| Ann. amt sludge disposed by other method | 0 | 1 | 0 | ||
| Annual amt of sludge incinerated | 0 | 1 | 0 | ||
| Annual amount of sludge land applied | 0 | 1 | 0 | ||
| Annual amt sludge disposed in landfill | 0 | 1 | 0 | ||
| Oil & Grease | 6 | 0 | 0 | ||
| Temperature, water deg. fahrenheit | 4 | 0 | 0 | ||
| Nitrogen, total [as N] | 4 | 0 | 0 | ||
| Nitrogen, Kjeldahl Total | 2 | 0 | 0 | ||
| Nitrite Plus Nitrate Total | 2 | 0 | 0 | ||
| Solids, total dissolved [TDS] | 2 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 13Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 6, 2025 | Effluent Violations - Failed Toxicity Test | ST6 |
| April 17, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| April 21, 2022 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| April 21, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| May 19, 2021 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| May 19, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| November 21, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| November 21, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| February 25, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 25, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| February 25, 2019 | Effluent Violations - Narrative Effluent Violation | ST6 |
| September 12, 2018 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 12, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.