Clean Water Act discharge permit · NPDES KY0090956
PERSIMMON RIDGE WWTF, Louisville, KY: NPDES KY0090956 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
PERSIMMON RIDGE WWTF, held by Persimmon Ridge WWTF, holds NPDES permit KY0090956, which discharges to Floyds Fork. EPA’s file records it issued August 2, 2018 and expiring September 30, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PERSIMMON RIDGE WWTF |
|---|---|
| Permittee as filed | Persimmon Ridge WWTF |
| NPDES ID | KY0090956 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 2, 2018 |
| Expiration date | September 30, 2023 |
| Address | Louisville, KY 40245 |
| Receiving water | FLOYDS FORK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lick Fork-Floyds Fork (HUC 051401020802) |
| NAICS | 237210 – Land Subdivision |
| SIC | 6552 – Subdividers And Developers |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 13Pollutants on file
- 10Under a numeric limit
- 13With 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] | 4 | 158 | 128 | February 28, 2026 | 3,855% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 143 | 95 | March 31, 2026 | 770% over the limit |
| Solids, total suspended | 4 | 112 | 58 | October 31, 2024 | 2,336% over the limit |
| E. coli | 2 | 65 | 51 | February 28, 2025 | 46,054% over the limit |
| Chlorine, total residual | 2 | 60 | 44 | March 31, 2019 | 99,999% over the limit |
| Phosphorus, total [as P] | 2 | 34 | 20 | March 31, 2018 | 1,840% over the limit |
| Coliform, fecal general | 0 | 30 | 8 | November 30, 2007 | 900% over the limit |
| pH | 2 | 33 | 5 | April 30, 2017 | |
| Oxygen, dissolved [DO] | 1 | 19 | 5 | May 31, 2022 | 40% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 34 | 4 | July 31, 2018 | 338% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 28 | 0 | ||
| Nitrogen, total [as N] | 2 | 12 | 0 | ||
| Facility operated during month, # days | 0 | 6 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 22, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| January 4, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| January 4, 2019 | Effluent Violations - Narrative Effluent Violation | 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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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID KY0090956 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.