EPA · discharge permits by pollutant and parameter

Cyanide, free available

374Permits carrying a limit
72With a recorded exceedance
9States

EPA identifies this parameter by code 51173. A permit listed here carries a numeric limit on cyanide, free available in its discharge; an exceedance is a monitoring result above that limit, as reported to EPA.

By state

By watershed

The subbasins of the national Watershed Boundary Dataset carrying the most permits with a limit on cyanide, free available.

Permits

Permit holder	NPDES ID	City	State	Program	Discharger	Receiving water
PRASA PONCE WWTP	PR0021563	PONCE	PR	Publicly owned treatment works	Major	CARIBBEAN SEA
PRASA CAGUAS WWTP	PR0025976	CAGUAS	PR	Publicly owned treatment works	Major	BAIROA RIVER
ANCRAM MILL	NY0006157	ANCRAM	NY		Major	ROELIFF JANSEN KILL
BIG SEWICKLEY WWTP	PA0218413	SEWICKLEY	PA	Publicly owned treatment works	Major	Big Sewickley Creek
REGIONWIDE WATER RECYCLING SYSTEM - TEMESCAL CREEK DISCHARGE	CA8000188	LAKE ELSINORE	CA	Publicly owned treatment works	Major	TEMESCAL CREEK AND SANTA ANA RIVER
PRASA GUANICA WWTP	PR0020486	GUANICA	PR	Publicly owned treatment works	Major	BAHIA GUANICA
CITY OF BELLEVUE WATER POLLUTION CONTROL FACILITY	OH0020672	BELLEVUE	OH	Publicly owned treatment works	Major	Mills Creek
ECOELECTRICA, L.P.	PR0025984	PENUELAS	PR		Major	GUAYANILLA BAY
JAMESTOWN WWTF	RI0100366	JAMESTOWN	RI	Publicly owned treatment works	Major	NARRAGANSETT BAY
FAIRCHANCE GEORGES STP	PA0096342	SMITHFIELD	PA	Publicly owned treatment works	Major	Georges Creek
OUTOKUMPU STAINLESS USA, LLC - CALVERT MILL	AL0079901	CALVERT	AL	Publicly owned treatment works	Major	Alabama River Cutoff-Tombigbee River
PRASA LARES WWTP	PR0025879	LARES	PR	Publicly owned treatment works	Major	RIO GUAJATACA
PRASA SANTA ISABEL WWTP	PR0023761	SANTA ISABEL	PR	Publicly owned treatment works	Major	CARIBBEAN SEA
PRASA VEGA BAJA WWTP	PR0021679	VEGA BAJA	PR	Publicly owned treatment works	Major	CANO CABO CARIBE
PRASA CAROLINA WWTP	PR0023752	SAN JUAN	PR	Publicly owned treatment works	Major	ATLANTIC OCEAN
ASHTABULA WPCP	OH0023914	ASHTABULA	OH	Publicly owned treatment works	Major	Town of North Kingsville-Frontal Lake Erie
PRASA LAJAS WWTP	PR0020575	LAJAS	PR	Publicly owned treatment works	Major	MONDONGO GREEK
MIDDLE EAST FORK WWTP	OH0049387	BATAVIA	OH	Publicly owned treatment works	Major	East Fork of Little Miami River
CITY OF NEWARK WASTEWATER TREATMENT PLANT	OH0026671	NEWARK	OH	Publicly owned treatment works	Major	Licking River
ELSINORE VALLEY RWRF	CA8000027	LAKE ELSINORE	CA	Publicly owned treatment works	Major	LAKE ELSINORE
HAMILTON WATER RECLAMATION FACILITY	OH0025445	HAMILTON	OH	Publicly owned treatment works	Major	Great Miami River
YOUNGSTOWN WWTP	OH0028223	YOUNGSTOWN	OH	Publicly owned treatment works	Major	Mahoning River
PRASA SAN SEBASTIAN (NEW) WWTP	PR0025551	SAN SEBASTIAN	PR	Publicly owned treatment works	Major	CULEBRINAS RIVER
CLYDE WWTP	OH0024686	CLYDE	OH	Publicly owned treatment works	Major	Racoon Creek-Frontal Sandusky Bay
CITY OF MARION, DIV OF WATER POLLUTION CONTROL	OH0026352	MARION	OH	Publicly owned treatment works	Major
PRASA MAYAGUEZ WWTP	PR0023795	MAYAGUEZ	PR	Publicly owned treatment works	Major	MONA PASSAGE
ROCKLAND WWTF	ME0100595	ROCKLAND	ME	Publicly owned treatment works	Major	Rockland Harbor
NEW SHOREHAM WPCF	RI0100196	NEW SHOREHAM	RI	Publicly owned treatment works	Major	RHODE ISLAND SOUND
MIDDLETOWN WWTP	OH0026522	MIDDLETOWN	OH	Publicly owned treatment works	Major	Great Miami River
CORONA WRF NO. 1	CA8000383	CORONA	CA	Publicly owned treatment works	Major	Santa Ana River, Reach 3
CITY OF MANSFIELD WWTP	OH0026328	MANSFIELD	OH	Publicly owned treatment works	Major	Outlet Rocky Fork
PRASA CAMUY-HATILLO WWTP	PR0023744	CAMUY	PR	Publicly owned treatment works	Major	ATLANTIC OCEAN
ASHLAND WWTP	OH0023906	ASHLAND	OH	Publicly owned treatment works	Major	Lang Creek
RIVERSIDE RWQCP	CA0105350	RIVERSIDE	CA	Publicly owned treatment works	Major	SANTA ANA RIVER
MEDINA COUNTY SEWER DISTRICT NO. 300	OH0045748	HINCKLEY	OH	Publicly owned treatment works	Major	East Branch Rocky River
PRASA CAYEY WWTP	PR0025356	BO.RINCON OF CIDRA	PR	Publicly owned treatment works	Major	LA PLATA RIVER
CONNEAUT LAKE JT MUN AUTH STP	PA0021598	CONNEAUT LAKE	PA	Publicly owned treatment works	Major	Conneaut Outlet
DETREX CORPORATION, CHEMICALS DIVISION	OH0001872	ASHTABULA	OH		Major	Lower Ashtabula River
JACKSON WWTP	OH0020834	JACKSON	OH	Publicly owned treatment works	Major	Salt Lick Creek
NEW HOLLAND WWTP	PA0021890	NEW HOLLAND	PA	Publicly owned treatment works	Major	Mill Creek