EPA · discharge permits by pollutant and parameter

Isophorone

441Permits carrying a limit
2With a recorded exceedance
12States

EPA identifies this parameter by code 34408. A permit listed here carries a numeric limit on isophorone 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 isophorone.

Permits

Permit holder	NPDES ID	City	State	Program	Discharger	Receiving water
POINT LOMA WWTP	CA0107409	SAN DIEGO	CA	Publicly owned treatment works	Major	PACIFIC OCEAN
MODESTO WQCF	CA0079103	MODESTO	CA	Publicly owned treatment works	Major	San Joaquin River
SOUTH BAY WRP	CA0109045	SAN DIEGO	CA	Publicly owned treatment works	Major	Pacific Ocean
ALAMITOS GENERATING STATION	CA0001139	LONG BEACH	CA	Industrial stormwater	Major	San Gabriel River Estuary, Los Cerritos Channel
C&CH SAND ISLAND WWTP	HI0020117	HONOLULU	HI	Publicly owned treatment works	Major	PACIFIC OCEAN
C&CH HONOULIULI WWTP	HI0020877	EWA BEACH	HI	Publicly owned treatment works	Major	PACIFIC OCEAN
FLAMINGO WATER RESOURCE CENTER	NV0021261	LAS VEGAS	NV	Publicly owned treatment works	Major	Duck Creek
ELSINORE VALLEY RWRF	CA8000027	LAKE ELSINORE	CA	Publicly owned treatment works	Major	LAKE ELSINORE
WATSONVILLE WWTF	CA0048216	WATSONVILLE	CA	Publicly owned treatment works	Major	MONTEREY BAY
SOUTH SAN LUIS OBISPO SD WWTP	CA0048003	OCEANO	CA	Publicly owned treatment works	Major	PACIFIC OCEAN
RIALTO MUNICIPAL WWTP	CA0105295	RIALTO	CA	Publicly owned treatment works	Major	SANTA ANA RIVER
CUTLER-OROSI WWTF	CA0081485	CUTLER	CA	Publicly owned treatment works	Major	Sand Creek
SCATTERGOOD GENERATING STATION	CA0000370	LOS ANGELES	CA		Major	PACIFIC OCEAN
CASTAIC POWER PLANT	CA0055824	CASTAIC	CA		Major	PYRAMID LAKE AND CASTAIC LAKE
COUNTY OF KAUAI WAILUA WWTP	HI0020257	WAILUA	HI	Publicly owned treatment works	Major	PACIFIC OCEANOFFSHORE WAILUA
ORMOND BEACH GENERATING STATION	CA0001198	OXNARD	CA		Major	Pacific Ocean
IMPERIAL WPCP	CA0104400	IMPERIAL	CA	Publicly owned treatment works	Major	Dolson Drain
BAE SYSTEMS SAN DIEGO SHIP REPAIR INC.	CA0109151	SAN DIEGO	CA	Industrial stormwater	Major
WESTERN RIVERSIDE COUNTY RWWTP	CA8000316	EASTVALE	CA	Publicly owned treatment works	Major	SANTA ANA RIVER, R3
LIVE OAK WWTP	CA0079022	LIVE OAK	CA	Publicly owned treatment works	Major	Sacramento
CAVELAND ENVIRONMENTAL AUTHORITY	KY0091561	HORSE CAVE	KY	Publicly owned treatment works	Major	GREEN RIVER
CENTRAL CITY STP	KY0023540	CENTRAL CITY	KY	Publicly owned treatment works	Major	GREEN RIVER
DRY CREEK WWTP	CA0079502	ROSEVILLE	CA	Publicly owned treatment works	Major	DRY CREEK
UC DAVIS WWTP	CA0077895	DAVIS	CA	Publicly owned treatment works	Major	South Fork of Putah Creek, Arboretum Waterway
OCEANSIDE WPCP	CA0037681	SAN FRANCISCO	CA	Publicly owned treatment works	Major	PACIFIC OCEAN
HUNTINGTON BEACH DESALINATION FACILITY	CA8000403	HUNTINGTON BEACH	CA		Major	Pacific Ocean
SCHOFIELD BARRACKS WASTEWATER TREATMENT PLANT	HI0110141	WAHIAWA	HI		Major	Kuakonahua and Waikele Streams
EDDYVILLE STP	KY0027979	EDDYVILLE	KY	Publicly owned treatment works	Major	LAKE BARKLEY / CUMBERLAND RIVER
PALOMAR ENERGY CENTER	CA0109215	ESCONDIDO	CA		Major	Pacific Ocean
MICHELSON WRP	CA8000326	IRVINE	CA	Publicly owned treatment works	Major	Rattlesnake, Siphon, Sand Canyon Reservoirs
GALT WWTPRF	CA0081434	GALT	CA	Publicly owned treatment works	Major	Skunk Creek
PLACER COUNTY SMD NO 1 WWTP	CA0079316	AUBURN	CA	Publicly owned treatment works	Major	ROCK CREEK
CHICO WPCP	CA0079081	CHICO	CA	Publicly owned treatment works	Major	SACRAMENTO RIVER
CITY OF NORTH LAS VEGAS WATER RECLAMATION FACILITY	NV0023647	UNINCORPORATED CLARK COUNTY	NV	Publicly owned treatment works	Major	Town of Lovell
MARINE CORPS BASE HAWAII KANEOHE BAY WATER RECLAMATION FACILITY	HI0110078	KANEOHE	HI		Major	PACIFIC OCEAN
GOLETA SD WRRF	CA0048160	GOLETA	CA	Publicly owned treatment works	Major	PACIFIC OCEAN
CARMEL AREA WWTP	CA0047996	MONTEREY COUNTY	CA	Publicly owned treatment works	Major	PACIFIC OCEAN AT CARMEL BAY
CITY OF LAS VEGAS WATER POLLUTION CONTROL FACILITY	NV0020133	LAS VEGAS	NV	Publicly owned treatment works	Major	Box Canyon-Las Vegas Wash
APRA HARBOR WWTP	GU0110019	APRA HARBOR NAVAL BASE	GU		Major	TIPALAO BAY PHILIPPINE SEA
BENICIA WWTP	CA0038091	BENICIA	CA	Publicly owned treatment works	Major	Carquinez Strait