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Clean Water Act discharge permit · NPDES WV1023934

WEYANOKE SURFACE MINE, Rock, WV: NPDES WV1023934 discharge permit, effluent exceedances, inspections, penalties

WEYANOKE SURFACE MINE, held by CORNERSTONE MINING, LLC, holds NPDES permit WV1023934, which discharges to Crane Ck. EPA’s file records it issued September 15, 2021 and expiring August 27, 2026. 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 filedWEYANOKE SURFACE MINE
Permittee as filedCORNERSTONE MINING, LLC
NPDES IDWV1023934
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 15, 2021
Expiration dateAugust 27, 2026
AddressRock, WV 24747
Receiving waterCRANE CK
SubwatershedWidemouth Creek-Bluestone River (HUC 050500020904)
SIC1221 – Bituminous Coal And Lignite - Surface

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

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
Iron, total [as Fe]1142,45828November 30, 201816,405% over the limit
Aluminum, total [as Al]1142,45828November 30, 201812,562% over the limit
Solids, total suspended1022,31618November 30, 2018420% over the limit
pH982,0731November 30, 2018
Specific conductance1202,4300
Sulfate, total [as SO4]1142,4300
Manganese, total [as Mn]1142,4300
Aluminum, dissolved [as Al]1142,4300
Solids, total dissolved1142,4300
Flow rate681,5320
Solids, settleable347670
Stream flow, instantaneous8880

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES WV1023934.

Inspections

DateWhat EPA recordedAgency
October 5, 2026Reconnaissance without SamplingS
July 13, 2026Reconnaissance without SamplingS
April 6, 2026SamplingS
March 9, 2026Reconnaissance without SamplingS

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 WV1023934.

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 WV1023934 there.

WEYANOKE SURFACE MINE, Rock, West Virginia: Individual permit WV1023934, held by CORNERSTONE MINING, LLC; Effective; issued September 15, 2021, term to August 27, 2026; discharges to CRANE CK.

  • Iron, total [as Fe]: 114 limits, 2,458 violations of any kind, 28 effluent exceedances, latest November 30, 2018, largest 16,405% over the limit.
  • Aluminum, total [as Al]: 114 limits, 2,458 violations of any kind, 28 effluent exceedances, latest November 30, 2018, largest 12,562% over the limit.
  • Solids, total suspended: 102 limits, 2,316 violations of any kind, 18 effluent exceedances, latest November 30, 2018, largest 420% over the limit.
  • pH: 98 limits, 2,073 violations of any kind, 1 effluent exceedance, latest November 30, 2018.
  • Specific conductance: 120 limits, 2,430 violations of any kind, 0 effluent exceedances.
  • Sulfate, total [as SO4]: 114 limits, 2,430 violations of any kind, 0 effluent exceedances.
  • Manganese, total [as Mn]: 114 limits, 2,430 violations of any kind, 0 effluent exceedances.
  • Aluminum, dissolved [as Al]: 114 limits, 2,430 violations of any kind, 0 effluent exceedances.
  • Solids, total dissolved: 114 limits, 2,430 violations of any kind, 0 effluent exceedances.
  • Flow rate: 68 limits, 1,532 violations of any kind, 0 effluent exceedances.
  • Solids, settleable: 34 limits, 767 violations of any kind, 0 effluent exceedances.
  • Stream flow, instantaneous: 8 limits, 88 violations of any kind, 0 effluent exceedances.
  • October 5, 2026: Reconnaissance without Sampling (S).
  • July 13, 2026: Reconnaissance without Sampling (S).
  • April 6, 2026: Sampling (S).
  • March 9, 2026: Reconnaissance without Sampling (S).

Other permits held by CORNERSTONE MINING, LLC

WEYANOKE SURFACE MINE among its neighbors

EPA’s permit file holds 15 discharge permits in the Widemouth Creek-Bluestone River subwatershed (HUC 050500020904), WV1023934 among them. Its county holds 54, 3 of them major permits; WV1023934 is a minor permit.

Other permits in the Widemouth Creek-Bluestone River subwatershed (HUC 050500020904)

  • ARJ CONSTRUCTION COMPANY, INC, Bloomington: MD0071285, minor permit, discharging to AARON RUN, permit term to September 30, 2019
  • BLUEWELL PSD, Rock: WV0028134, minor permit, discharging to Bluestone River, permit term to June 11, 2024
  • CRANE CREEK PREPARATION PLANT, Rock: WV0065005, minor permit, discharging to TOLLIVER BR, permit term to January 24, 2025
  • GEMINI HAUL ROAD, Matoaka: WV1027654, minor permit, discharging to CRANE CK, permit term to July 8, 2024
  • GIATTO-WEYANOKE WATERLINE EXTENSION (PART B), Lashmeet: WVR110160, minor permit, discharging to Lefthand Fk Widemouth Ck/Widemouth Ck/Bluestone Ri, permit term to December 12, 2019
  • GODFREY BRANCH SURFACE MINE, Rock: WV1030400, minor permit, discharging to GODFREY BR, permit term to February 21, 2028
  • MATOAKA WWTP, Matoaka: WV0024864, minor permit, discharging to WIDEMOUTH CREEK/Bluestone River/New River, permit term to May 15, 2024
  • MCCOMAS HAULROAD, Rock: WV1023896, minor permit, discharging to BLUESTONE RV, permit term to November 6, 2024
  • MCCOMAS SURFACE MINE NO. 1, Princeton: WV1023870, minor permit, discharging to CRANE CK, permit term to April 20, 2021
  • MCCOMAS WATERLINE EXTENSION, Mccomas: WVR113035, minor permit, discharging to Crane Creek/Bluestone River/New River, permit term to May 1, 2027

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 WV1023934 for the Weyanoke Surface Mine in Rock, WV, held by Cornerstone Mining, LLC, which discharges to Crane Ck in the Widemouth Creek-Bluestone River subwatershed (HUC 050500020904). The page lists 12 pollutants on file, all 12 under a numeric limit, and 4 with an effluent exceedance.