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Clean Water Act discharge permit · NPDES WV1024175

MERCER CRUSHED STONE PLANT, Oakvale, WV: NPDES WV1024175 discharge permit, effluent exceedances, inspections, penalties

MERCER CRUSHED STONE PLANT, held by APPALACHIAN AGGREGATES, LLC, holds NPDES permit WV1024175, which discharges to East Rv. EPA’s file records it issued November 18, 2020 and expiring November 17, 2025.

MERCER CRUSHED STONE PLANT, Oakvale, West Virginia: Individual permit WV1024175, held by APPALACHIAN AGGREGATES, LLC; Administratively continued (past its expiration date and still in force until reissued); issued November 18, 2020, term to November 17, 2025; discharges to EAST RV.

  • Aluminum, total [as Al]: 35 limits, 149 violations of any kind, 119 effluent exceedances, latest July 31, 2025, largest 10,959% over the limit.
  • Solids, total suspended: 24 limits, 32 violations of any kind, 4 effluent exceedances, latest January 31, 2021, largest 957% over the limit.
  • pH: 20 limits, 84 violations of any kind, 0 effluent exceedances.
  • Flow rate: 12 limits, 16 violations of any kind, 0 effluent exceedances.
  • Stream flow, instantaneous: 8 limits, 8 violations of any kind, 0 effluent exceedances.
  • July 30, 2026: Reconnaissance without Sampling (S).
  • May 4, 2026: Reconnaissance without Sampling (S).
  • March 17, 2026: Sampling (S).

Other permits held by APPALACHIAN AGGREGATES, LLC

MERCER CRUSHED STONE PLANT among its neighbors

EPA’s permit file holds 6 discharge permits in the Headwaters East River subwatershed (HUC 050500020603), WV1024175 among them. Its county holds 54, 3 of them major permits; WV1024175 is a minor permit.

Other permits in the Headwaters East River subwatershed (HUC 050500020603)

Identity

Facility as filedMERCER CRUSHED STONE PLANT
Permittee as filedAPPALACHIAN AGGREGATES, LLC
NPDES IDWV1024175
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
IssuedNovember 18, 2020
Expiration dateNovember 17, 2025
AddressOakvale, WV 24739
Receiving waterEAST RV
Receiving water impaired303(D) Listed
SubwatershedHeadwaters East River (HUC 050500020603)

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
Aluminum, total [as Al]35149119July 31, 202510,959% over the limit
Solids, total suspended24324January 31, 2021957% over the limit
pH20840
Flow rate12160
Stream flow, instantaneous880

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WV1024175.

Inspections

DateWhat EPA recordedAgency
July 30, 2026Reconnaissance without SamplingS
May 4, 2026Reconnaissance without SamplingS
March 17, 2026SamplingS

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 WV1024175.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES WV1024175 for the MERCER CRUSHED STONE PLANT in Oakvale, WV, held by APPALACHIAN AGGREGATES, LLC, which discharges to EAST RV and is listed in the Headwaters East River (HUC 050500020603) subwatershed. The permit is shown as administratively continued, with 5 pollutants on file, 5 under a numeric limit, and 5 with a violation.