EPA · discharge permits by pollutant and parameter

Flow, maximum during 24 hr period

315Permits carrying a limit
103With a recorded exceedance
2States

EPA identifies this parameter by code 50047. A permit listed here carries a numeric limit on flow, maximum during 24 hr period in its discharge; an exceedance is a monitoring result above that limit, as reported to EPA.

By state

Connecticut284
Ohio28

By watershed

The subbasins of the national Watershed Boundary Dataset carrying the most permits with a limit on flow, maximum during 24 hr period.

Permits

Permit holder	NPDES ID	City	State	Program	Discharger	Receiving water
NAVAL SUB BASE NEW LONDON	CT0003921	GROTON	CT		Major	THAMES RIVER
SUMMIT CORPORATION OF AMERICA	CT0001180	THOMASTON	CT		Major	NAUGATUCK RIVER
ALLNEX USA INCORPORATED	CT0000086	WALLINGFORD	CT		Major	QUINNIPIAC RIVER
ANSONIA COPPER & BRASS INC.	CT0002968	ANSONIA	CT		Major	NAUGATUCK RIVER
ELECTRIC BOAT CORPORATION	CT0003824	GROTON	CT		Major	THAMES RIVER
AES WESTOVER	NY0003875	JOHNSON CITY	NY		Major	LITTLE CHOCONUT CK
IRONTON WWTP	OH0025852	IRONTON	OH	Publicly owned treatment works	Major	Storms Creek
TRINSEO LLC	CT0003131	LEDYARD	CT		Major	THAMES RIVER / ALLYNS COVE POND
KIMBERLY-CLARK CORPORATION	CT0003212	NEW MILFORD	CT		Major	HOUSATONIC RIVER
WIELAND ROLLED PRODUCTS NORTH AMERICA, LLC	CT0021873	WATERBURY	CT		Major	NAUGATUCK RIVER
SEIDEL INC	CT0026808	WATERBURY	CT		Major	Northfield Brook-Naugatuck River
MONTVILLE POWER LLC	CT0003115	UNCASVILLE	CT		Major	THAMES RIVER
MIDDLETOWN POWER LLC	CT0003883	MIDDLETOWN	CT		Major	CONNECTICUT RIVER
CITY OF MARIETTA WASTEWATER TREATMENT PLANT	OH0026344	MARIETTA	OH	Combined sewer overflows	Major	Ohio River
MILFORD POWER COMPANY, LLC	CT0030309	MILFORD	CT		Major	Housatonic River
AHLSTROM NONWOVENS LLC	CT0000434	WINDSOR LOCKS	CT		Major	CONNECTICUT RIVER
BRIDGEPORT HARBOR STATION UNITS 1-4	CT0003778	BRIDGEPORT	CT		Major	BRIDGEPORT HARBOR
ALLEGHENY LUDLUM CORPORATION	CT0003701	WALLINGFORD	CT		Major	QUINNIPIAC RIVER
UNITED TECHNOLOGIES CORPORATION, PRATT AND WHITNEY DIVISION	CT0001376	EAST HARTFORD	CT		Major	CONNECTICUT RIVER
COLUMBIA BOULEVARD STP	OR0026905	PORTLAND	OR	Publicly owned treatment works	Major	COLUMBIA RIVER
DUNN PAPER - EAST HARTFORD, LLC	CT0002127	EAST HARTFORD	CT		Major	HOCKANUM RIVER
DEVON POWER, LLC	CT0003107	MILFORD	CT		Major	HOUSATONIC RIV
USIBELLI COAL PREPARATION PLANT	AK0040380	HEALY	AK		Major
SOUTHERLY WASTEWATER TREATMENT PLANT	OH0024741	COLUMBUS	OH	Publicly owned treatment works	Major	Scioto River
AQUA OHIO - UNION ROME WWTP	OH0094684	CHESAPEAKE	OH	Publicly owned treatment works	Major	Ohio River
NEORSD WESTERLY WASTEWATER TREATMENT CENTER	OH0024660	CLEVELAND	OH	Publicly owned treatment works	Major
NAPOLEON WASTEWATER TREATMENT PLANT	OH0020893	NAPOLEON	OH	Publicly owned treatment works	Major	Maumee River
CITY OF SANDUSKY WPC	OH0027332	SANDUSKY	OH	Publicly owned treatment works	Major	Pipe Creek-Frontal Sandusky Bay
AKRON WATER RECLAMATION FACILITY	OH0023833	AKRON	OH	Publicly owned treatment works	Major	City of Akron-Little Cuyahoga River
NEORSD SOUTHERLY WASTEWATER TREATMENT CENTER	OH0024651	CUYAHOGA HTS.	OH	Publicly owned treatment works	Major	Town of Cuyahoga Heights-Cuyahoga River
CITY OF EUCLID WWTP	OH0031062	EUCLID	OH	Publicly owned treatment works	Major	Lake Erie
EVANGELICAL BAPTIST CENTER	CTSSD0172	ASHFORD	CT		Minor	BIGELOW BROOK
MEDEIROS REALTY TRUST	CTRSS0071	ENFIELD	CT		Minor	Freshwater Brook-Connecticut River
H.N.S. MANAGEMENT COMPANY, INC.	CTRSS0105	HARTFORD	CT		Minor	Stoughton Brook-Connecticut River
DONCASTERS INC	CTP000118	GROTON	CT		Minor	THAMES RIVER
MANNKIND CORPORATION	CTP002395	DANBURY	CT		Minor	STILL RVR(E.SWAMP/LIMEKILN BROOKS)
GREENWICH HIGH SCHOOL	CTRSS0156	GREENWICH	CT		Minor	Blind Brook-Horseneck Brook
RISDON	CTRSS0058	DANBURY	CT		Minor	Headwaters Still River
LANXESS SOLUTIONS US INC.	CTP000065	NAUGATUCK	CT		Minor	NAUGATUCK RIVER
GUIDA-SIEBERT DAIRY COMPANY	CTP002201	NEW BRITAIN	CT		Minor	CONNECTICUT RIVER