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Clean Water Act discharge permit · NPDES MDG490062

HOCIAK MINE, Port Deposit, MD: NPDES MDG490062 discharge permit, effluent exceedances, inspections, penalties

HOCIAK MINE, held by York Building Products, Inc., holds NPDES permit MDG490062. EPA’s file records it issued May 23, 2025 and expiring April 30, 2027. 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 filedHOCIAK MINE
Permittee as filedYork Building Products, Inc.
NPDES IDMDG490062
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 23, 2025
Expiration dateApril 30, 2027
Issuing agencyMaryland Department Of The Environment
AddressPort Deposit, MD 21904
SubwatershedMill Creek-Furnace Bay (HUC 020600020103)

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 suspended8240

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG490062.

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 MDG490062.

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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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 MDG490062 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES MDG490062 for HOCIAK MINE in Port Deposit, MD, held by York Building Products, Inc., with status listed as Effective and a Minor discharger class. The page lists 1 pollutant on file, 1 under a numeric limit, 1 with a violation of any kind, and 0 with an effluent exceedance, within the Mill Creek-Furnace Bay (HUC 020600020103) subwatershed.