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Clean Water Act discharge permit · NPDES MDG993609

BALTIMORE MARINE CENTER, Baltimore, MD: NPDES MDG993609 discharge permit, effluent exceedances, inspections, penalties

BALTIMORE MARINE CENTER, held by Baltimore Marine Center, holds NPDES permit MDG993609, which discharges to Patapsco River Northwest Harbor. EPA’s file records it issued June 6, 2013 and expiring February 28, 2016. 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.

What the register holds for BALTIMORE MARINE CENTER: its NPDES ID, its permit type and status, its dates, its address in Baltimore, Maryland, its receiving water, and 6 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDG993609.

Identity

Facility as filedBALTIMORE MARINE CENTER
Permittee as filedBaltimore Marine Center
NPDES IDMDG993609
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 6, 2013
Expiration dateFebruary 28, 2016
Issuing agencyMaryland Department of The Environment
AddressBaltimore, MD 21224
Receiving waterPatapsco River Northwest Harbor
Receiving water impaired303(D) Listed
SubwatershedNorthwest Harbor-Patapsco River (HUC 020600031203)
SIC4493 – Marinas
Other EPA IDs (FRS)ICIS-AIR source MD0000002451000564

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

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 suspended200
Oil & Grease200
Copper, total [as Cu]200
Lead, total [as Pb]200
Zinc, total [as Zn]200
Flow200

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG993609.

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 MDG993609.

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 MDG993609 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 MDG993609, held by Baltimore Marine Center in Baltimore, Maryland, which discharges to Patapsco River Northwest Harbor and carries an administratively continued status as a minor discharger. The page lists 0 pollutants with an effluent exceedance and 6 pollutants under a numeric limit.