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Clean Water Act discharge permit · NPDES MDG499906

HAMMAKER EAST - BALTIMORE PLANT, Curtis Bay, MD: NPDES MDG499906 discharge permit, effluent exceedances, inspections, penalties

HAMMAKER EAST - BALTIMORE PLANT, held by Hammaker East Ltd, holds NPDES permit MDG499906. EPA’s file records it issued November 21, 2015 and expiring November 21, 2015. 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.

What the register holds for HAMMAKER EAST - BALTIMORE PLANT: its NPDES ID, its permit type and status, its dates, its address in Curtis Bay, Maryland. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MDG499906.

Identity

Facility as filedHAMMAKER EAST - BALTIMORE PLANT
Permittee as filedHammaker East Ltd
NPDES IDMDG499906
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
IssuedNovember 21, 2015
Expiration dateNovember 21, 2015
Issuing agencyMARYLAND DEPARTMENT OF THE ENVIRONMENT
AddressCurtis Bay, MD 21226
Receiving water impaired303(D) Listed
SubwatershedBack River-Hawk Cove-Chesapeake Bay (HUC 020600030703)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MDG499906.

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 MDG499906.

Inspections

EPA’s inspection file holds no inspection for NPDES MDG499906.

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 MDG499906.

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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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 MDG499906 there.

Nearby on the register

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

What this page shows

The Hammaker East - Baltimore Plant general permit coverage (NPDES ID MDG499906) is one of 108 general permit coverages in Baltimore city, and 18.5% of those coverages were issued earlier than this one. The permit sits within the Back River-Hawk Cove-Chesapeake Bay subwatershed, which holds 21 NPDES permits including this one. Among the Baltimore city general permit coverages, 32.4% have a violation on file, while this permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance.