EPA · discharge permits by watershed

Northwest Harbor-Patapsco River (subwatershed 020600031203)

66Current permits
1States

A subwatershed is a unit of the national Watershed Boundary Dataset, and water crosses state lines: this one carries permits in Maryland. Each permit is placed by the outfall EPA names as its representative discharge point.

By state

Maryland66

Permits discharging here

Permit holder	NPDES ID	City	State	Program	Discharger	Receiving water
CONSTELLATION POWER - RIVERSID	MD0001481	DUNDALK	MD		Major	PATAPSCO RVR
ALMAG PLATING CORPORATION	MDR001508	BALTIMORE	MD		Minor	Northwest Harbor-Patapsco River
AMAZON SERVICES LLC-BWI5 & PRIME NOW LLC-UMD1	MDG679680	BALTIMORE	MD		Minor	Northwest Harbor-Patapsco River
AMAZON SERVICES LLC-MTN5	MDG679678	BALTIMORE	MD		Minor	Northwest Harbor-Patapsco River
AMAZON.COM SERVICES LLC - DMD5	MDG679748	BALTIMORE	MD		Minor	BALTIMORE HARBOR/PATAPSCO RIVER
AMAZON.COM SERVICES LLC - DMD5	MDR003578	BALTIMORE	MD		Minor	BALTIMORE HARBOR/PATAPSCO RIVER
AMAZON.COM SERVICES, LLC - BWI2	MDG679663	BALTIMORE	MD		Minor	COLGATE CREEK USE 1 WATER BODY
AMWARE PALLET SERVICES	MDR003950	BALTIMORE	MD		Minor	Northwest Harbor-Patapsco River
ATCO RUBBER PRODUCTS, INC.	MDR001482	BALTIMORE	MD		Minor	Northwest Harbor-Patapsco River
AWC FAIRFIELD	MDR003885	BALTIMORE	MD		Minor	BALTIMORE HARBOR
BALTIMORE CITY PUBLIC SCHOOLS DIGITAL HARBOR HIGH SCHOOL 416	MDG767324	BALTIMORE	MD		Minor	BALTIMORE HARBOR
BALTIMORE GAS & ELECTRIC COMPANY	MDG679575	BALTIMORE	MD		Minor	PATAPSCO RIVER
BALTIMORE MARINE CENTER	MDG993609	BALTIMORE	MD		Minor	Patapsco River Northwest Harbor
BFI QUARANTINE ROAD LANDFILL	MDR000684	CURTIS BAY	MD		Minor	Northwest Harbor-Patapsco River
BORA PHARMACEUTICALS	MDR001588	BALTIMORE	MD		Minor	Northwest Harbor-Patapsco River
BUILDING MATERIALS CORPORATION OF AMERICA	MD0001988	BALTIMORE	MD		Minor	PATAPSCO R TRIB
CCL LABEL, INC.	MDR003453	BALTIMORE	MD		Minor	Northwest Harbor-Patapsco River
CHESAPEAKE TERMINAL	MDR001265	BALTIMORE	MD		Minor	BALTIMORE HARBOR
CONSOL MARINE TERMINALS LLC	MDR001434	BALTIMORE	MD		Minor	BALTIMORE HARBOR
CONTANDA TERMINALS, LLC	MDG679593	BALTIMORE	MD		Minor	BALTIMORE HARBOR
CSX CURTIS BAY YARD	MDR003850	BALTIMORE	MD		Minor	BALTIMMORE HARBOR
DUNDALK MARINE TERMINAL	MD0066818	BALTIMORE	MD		Minor	PATAPSCO RIVER
EISAI, INC.	MDR001667	BALTIMORE	MD		Minor	Northwest Harbor-Patapsco River
ETCH, INC.	MDR003751	BALTIMORE	MD		Minor	Northwest Harbor-Patapsco River
EXCEL MACHINE & FABRICATION, INC.	MDR001519	BALTIMORE	MD		Minor	Northwest Harbor-Patapsco River
FISHING POINT	MDG919139	BALTIMORE	MD		Minor	Patapsco River
GAF - SOUTH PONCA	MDR002545	BALTIMORE	MD		Minor	Northwest Harbor-Patapsco River
HAMMAKER EAST LIMITED	MD0052809	BALTIMORE	MD		Minor	PATAPSCO RIVER
INNER HARBOR EAST MARINA	MDG999351	BALTIMORE	MD		Minor	Patapsco River
LANODIR - FUMIGATION FACILITY	MDR001003	BALTIORE	MD		Minor	Northwest Harbor-Patapsco River
LOCKE INSULATORS, INC.	MD0002763	BALTIMORE	MD		Minor	MIDDLE BRANCH, PATAPSCO RIVER
MDOT - MARYLAND PORT ADMINISTRATION	MDG870055	BALTIMORE	MD		Minor	BALTIMORE HARBOR
MONTEBELLO BRANDS INC	MDR000037	DUNDALK	MD		Minor	Northwest Harbor-Patapsco River
NATIONAL AQUARIUM IN BALTIMORE	MD0059676	BALTIMORE	MD		Minor	PATAPSCO RIVER
NORTH LOCUST POINT MARINE TERMINAL	MDR002290	BALTIMORE	MD		Minor	Baltimore Harbor Patapsco River
PATAPSCO WWTP	MDL021601	BALTIMORE	MD	Biosolids	Minor	Northwest Harbor-Patapsco River
PATUXENT MATERIALS, INC.	MDG491836	BALTIMORE	MD		Minor	Gwynns Falls
PAUL LAURENCE DUNBAR HIGH SCH	MDG766917	BALTIMORE	MD		Minor	BALTIMORE HARBOR
PHOENIX METALS	MDR002019	BALTIMORE	MD		Minor	Roof water drains to a retention pond
PIXELLIGENT TECHNOLOGIES	MDR003671	BALTIMORE	MD		Minor	Northwest Harbor-Patapsco River