Clean Water Act discharge permit · NPDES KY0055221
MAYFIELD ELECTRIC & WATER SYSTEMS, South Highland, KY: NPDES KY0055221 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
MAYFIELD ELECTRIC & WATER SYSTEMS, held by Mayfield Electric & Water Systems, holds NPDES permit KY0055221, which discharges to Perry Crk. EPA’s file records it issued January 25, 2016 and expiring February 28, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MAYFIELD ELECTRIC & WATER SYSTEMS |
|---|---|
| Permittee as filed | Mayfield Electric & Water Systems |
| NPDES ID | KY0055221 |
| 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 |
| Program | Publicly owned treatment works |
| Issued | January 25, 2016 |
| Expiration date | February 28, 2021 |
| Address | South Highland, KY 42066 |
| Receiving water | PERRY CRK |
| Subwatershed | Ford Creek-Mayfield Creek (HUC 080102010102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 8Under a numeric limit
- 8With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 13 | 7 | March 31, 2022 | 1,762% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 17 | 5 | June 30, 2026 | 409% over the limit |
| Chlorine, total residual | 2 | 7 | 1 | February 29, 2012 | 73% over the limit |
| Solids, total suspended | 4 | 12 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 7 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 11, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| June 11, 2020 | Management Practice Violations - Improper Operation and Maintenance | 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.
Watch this permit
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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 KY0055221 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.