Velarion Records

Clean Water Act discharge permit · NPDES VAM081986

DERBY MARKER MINE, Derby, VA: NPDES VAM081986 discharge permit, effluent exceedances, inspections, penalties

DERBY MARKER MINE, held by INMET MINING, LLC, holds NPDES permit VAM081986. EPA’s file records it issued July 11, 2017 and expiring September 26, 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 filedDERBY MARKER MINE
Permittee as filedINMET MINING, LLC
NPDES IDVAM081986
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 11, 2017
Expiration dateSeptember 26, 2021
Issuing agencyVA DMME
AddressDerby, VA
SubwatershedCallahan Creek (HUC 060102060103)

Cited to the EPA ICIS-NPDES permit file (ECHO 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
Solids, total dissolved [TDS]6240
pH4160
Flow, in conduit or thru treatment plant4160
Solids, settleable600

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES VAM081986.

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 VAM081986.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, VAM081986.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 VAM081986 there.

Nearby on the register

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

The Pay Desk is the free weekly executive pay briefing — one company at a time, every number traceable to a public filing.
We’ll email you a link to confirm. Unsubscribe any time.