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Clean Water Act discharge permit · NPDES WV1028871

DUO SURFACE MINE NO. 1, Rupert, WV: NPDES WV1028871 discharge permit, effluent exceedances, inspections, penalties

DUO SURFACE MINE NO. 1, held by JEP MINING, LLC, holds NPDES permit WV1028871, which discharges to North Fk/Big Clear Ck. EPA’s file records it issued July 10, 2018 and expiring July 9, 2023.

DUO SURFACE MINE NO. 1, Rupert, West Virginia: Individual permit WV1028871, held by JEP MINING, LLC; Administratively continued (past its expiration date and still in force until reissued); issued July 10, 2018, term to July 9, 2023; discharges to NORTH FK/BIG CLEAR CK.

  • Selenium, total recoverable: 102 limits, 387 violations of any kind, 0 effluent exceedances.
  • Aluminum, dissolved [as Al]: 101 limits, 383 violations of any kind, 0 effluent exceedances.
  • Specific conductance: 98 limits, 371 violations of any kind, 0 effluent exceedances.
  • Sulfate, total [as SO4]: 98 limits, 371 violations of any kind, 0 effluent exceedances.
  • Solids, total dissolved: 98 limits, 371 violations of any kind, 0 effluent exceedances.
  • Iron, total [as Fe]: 97 limits, 367 violations of any kind, 0 effluent exceedances.
  • Manganese, total [as Mn]: 97 limits, 367 violations of any kind, 0 effluent exceedances.
  • Aluminum, total [as Al]: 97 limits, 367 violations of any kind, 0 effluent exceedances.
  • Solids, total suspended: 87 limits, 327 violations of any kind, 0 effluent exceedances.
  • pH: 68 limits, 258 violations of any kind, 0 effluent exceedances.
  • Turbidity: 63 limits, 252 violations of any kind, 0 effluent exceedances.
  • Solids, settleable: 54 limits, 216 violations of any kind, 0 effluent exceedances.
  • Flow rate: 52 limits, 208 violations of any kind, 0 effluent exceedances.
  • Stream flow, instantaneous: 16 limits, 50 violations of any kind, 0 effluent exceedances.
  • Calcium, total [as Ca]: 15 limits, 39 violations of any kind, 0 effluent exceedances.
  • Magnesium, total [as Mg]: 15 limits, 39 violations of any kind, 0 effluent exceedances.
  • Sodium, total [as Na]: 15 limits, 39 violations of any kind, 0 effluent exceedances.
  • Potassium, total [as K]: 15 limits, 39 violations of any kind, 0 effluent exceedances.
  • Alkalinity, total [as CaCO3]: 13 limits, 31 violations of any kind, 0 effluent exceedances.
  • Toxicity [chronic], Ceriodaphnia dubia: 6 limits, 12 violations of any kind, 0 effluent exceedances.
  • July 15, 2026: Reconnaissance without Sampling (S).
  • April 14, 2026: Reconnaissance without Sampling (S).
  • January 8, 2026: Evaluation (S).

DUO SURFACE MINE NO. 1 among its neighbors

EPA’s permit file holds 7 discharge permits in the Big Clear Creek subwatershed (HUC 050500050603), WV1028871 among them. Its county holds 76, 2 of them major permits; WV1028871 is a minor permit.

Other permits in the Big Clear Creek subwatershed (HUC 050500050603)

  • BUCK LILLY SURFACE MINE, Rupert: WV1021869, minor permit, discharging to SOUTH FK/BIG CLEAR CK, permit term to January 27, 2025
  • CLEARCO LOADOUT AND PREPARATION PLANT, Rupert: WV1026470, minor permit, discharging to NORTH FK/BIG CLEAR CK, permit term to February 1, 2023
  • HAULROAD NO. 1, Ashford: WV1026461, minor permit, discharging to CHERRY RV, permit term to February 16, 2022
  • POCAHONTAS MINE, Rupert: WV1021851, minor permit, discharging to BIG CLEAR CK, permit term to January 30, 2021
  • ROYAL SCOT MINERALS, Rupert: WV1026631, minor permit, discharging to SMOKEHOUSE BR, permit term to August 3, 2022
  • ROYAL SCOT MINERALS, Rupert: WV1026640, minor permit, discharging to BIG CLEAR CK, permit term to July 20, 2022

Identity

Facility as filedDUO SURFACE MINE NO. 1
Permittee as filedJEP MINING, LLC
NPDES IDWV1028871
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 10, 2018
Expiration dateJuly 9, 2023
AddressRupert, WV 25984
Receiving waterNORTH FK/BIG CLEAR CK
SubwatershedBig Clear Creek (HUC 050500050603)
SIC1221 – Bituminous Coal And Lignite - Surface

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Selenium, total recoverable1023870
Aluminum, dissolved [as Al]1013830
Specific conductance983710
Sulfate, total [as SO4]983710
Solids, total dissolved983710
Iron, total [as Fe]973670
Manganese, total [as Mn]973670
Aluminum, total [as Al]973670
Solids, total suspended873270
pH682580
Turbidity632520
Solids, settleable542160
Flow rate522080
Stream flow, instantaneous16500
Calcium, total [as Ca]15390
Magnesium, total [as Mg]15390
Sodium, total [as Na]15390
Potassium, total [as K]15390
Alkalinity, total [as CaCO3]13310
Toxicity [chronic], Ceriodaphnia dubia6120

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WV1028871.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WV1028871.

Inspections

DateWhat EPA recordedAgency
July 15, 2026Reconnaissance without SamplingS
April 14, 2026Reconnaissance without SamplingS
January 8, 2026EvaluationS

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 WV1028871.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit WV1028871 for DUO SURFACE MINE NO. 1 in Rupert, WV, held by JEP MINING, LLC, which discharges to North Fk/Big Clear Ck in the Big Clear Creek subwatershed (HUC 050500050603). The facts list 20 pollutants on file, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance, and the permit is shown as administratively continued with an expiration date of July 9, 2023.