Clean Water Act discharge permit · NPDES WV1022423
THREEMILE SURFACE MINE, Lexington, KY: NPDES WV1022423 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 21Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
THREEMILE SURFACE MINE, held by PANTHER CREEK MINING, LLC, holds NPDES permit WV1022423, which discharges to Whiteoak Ck. EPA’s file records it issued January 9, 2020 and expiring January 8, 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 | THREEMILE SURFACE MINE |
|---|---|
| Permittee as filed | PANTHER CREEK MINING, LLC |
| NPDES ID | WV1022423 |
| 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 | January 9, 2020 |
| Expiration date | January 8, 2025 |
| Address | Lexington, KY 40509 |
| Receiving water | WHITEOAK CK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Outlet Cabin Creek (HUC 050500060202) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 21Pollutants on file
- 21Under a numeric limit
- 21With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Manganese, total [as Mn] | 204 | 2,679 | 27 | November 30, 2024 | 4,213% over the limit |
| Aluminum, total [as Al] | 204 | 2,676 | 24 | November 30, 2024 | 9,950% over the limit |
| Selenium, total recoverable | 204 | 2,665 | 13 | November 30, 2024 | 880% over the limit |
| pH | 136 | 1,778 | 10 | April 30, 2024 | |
| Solids, total suspended | 148 | 1,989 | 2 | November 30, 2024 | 114% over the limit |
| Aluminum, dissolved [as Al] | 204 | 2,652 | 0 | ||
| Iron, total [as Fe] | 193 | 2,634 | 0 | ||
| Specific conductance | 181 | 2,578 | 0 | ||
| Sulfate, total [as SO4] | 181 | 2,578 | 0 | ||
| Solids, total dissolved | 181 | 2,578 | 0 | ||
| Flow rate | 94 | 1,308 | 0 | ||
| Solids, settleable | 51 | 753 | 0 | ||
| Stream flow, instantaneous | 42 | 460 | 0 | ||
| Alkalinity, total [as CaCO3] | 12 | 96 | 0 | ||
| Calcium, total [as Ca] | 12 | 96 | 0 | ||
| Magnesium, total [as Mg] | 12 | 96 | 0 | ||
| Potassium, total [as K] | 12 | 96 | 0 | ||
| Sodium, total [as Na] | 6 | 72 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 6 | 51 | 0 | ||
| Cadmium, total [as Cd] | 3 | 36 | 0 | ||
| Nitrogen, nitrate total [as N] | 2 | 26 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WV1022423.
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.