EPA · discharge permits by pollutant and parameter

Methylmercury

36Permits carrying a limit
0With a recorded exceedance
2States

EPA identifies this parameter by code 80361. A permit listed here carries a numeric limit on methylmercury in its discharge; an exceedance is a monitoring result above that limit, as reported to EPA.

By state

California26
Oregon5

By watershed

The subbasins of the national Watershed Boundary Dataset carrying the most permits with a limit on methylmercury.

Permits

Permit holder	NPDES ID	City	State	Program	Discharger	Receiving water
ROCK CREEK STP	OR0029777	HILLSBORO	OR	Publicly owned treatment works	Major	TUALATIN RIVER (RM 38)
FOREST GROVE STP	OR0020168	FOREST GROVE	OR	Publicly owned treatment works	Major	TUALATIN RIVER (RM 56.7)
HILLSBORO-WESTSIDE STP	OR0023345	HILLSBORO	OR	Publicly owned treatment works	Major	TUALATIN RIVER (RM 44)
DURHAM STP	OR0028118	TIGARD	OR	Publicly owned treatment works	Major	TUALATIN RIVER
UC DAVIS WWTP	CA0077895	DAVIS	CA	Publicly owned treatment works	Major	South Fork of Putah Creek, Arboretum Waterway
TRACY WWTP	CA0079154	TRACY	CA	Publicly owned treatment works	Major	Old River
WHITE SLOUGH WPCF	CA0079243	LODI	CA	Publicly owned treatment works	Major	DREDGER CUT - WHITE SLOUGH
SACRAMENTO REGIONAL WWTP	CA0077682	ELK GROVE	CA	Publicly owned treatment works	Major	Sacramento River
MODESTO WQCF	CA0079103	MODESTO	CA	Publicly owned treatment works	Major	San Joaquin River
DEER CREEK WWTP	CA0078662	EL DORADO COUNTY	CA	Publicly owned treatment works	Major	DEER CREEK
GALT WWTPRF	CA0081434	GALT	CA	Publicly owned treatment works	Major	Skunk Creek
NORTHWEST WWTF	CA0083771	RIO VISTA	CA	Publicly owned treatment works	Major	Sacramento River
ROYAL MOUNTAIN KING MINE	CA0085243	COPPEROPOLIS	CA		Major	Littlejohns Creek
LIVE OAK WWTP	CA0079022	LIVE OAK	CA	Publicly owned treatment works	Major	Sacramento
TENNESSEE VALLEY AUTHORITY (TVA) - JOHN SEVIER FOSSIL PLANT (JSF)	TN0005436	ROGERSVILLE	TN	Industrial stormwater	Major	Holston
HANGTOWN CREEK WRF	CA0078956	PLACERVILLE	CA	Publicly owned treatment works	Major	HANGTOWN CREEK
STILLWATER WWTF	CA0082589	ANDERSON	CA	Publicly owned treatment works	Major	Sacramento River
LATHROP CONSOLIDATED TREATMENT FACILITY	CA0085359	LATHROP	CA	Publicly owned treatment works	Major	San Joaquin River
BLUE HERON PAPER CO.	OR0000566	OREGON CITY	OR		Major	WILLAMETTE RIVER(RM 27.5&26.1)
SOUTHEAST WPCP, NORTH POINT WWF, BAYSIDE WWF	CA0037664	SAN FRANCISCO	CA	Publicly owned treatment works	Major	CENTRAL BAY
LAKE WILDWOOD WWTP	CA0077828	NEVADA CITY	CA	Publicly owned treatment works	Minor	DEER CREEK
SFWMD - HILLSBORO CANAL ASR WELL	FL0484890	BOCA RATON	FL		Minor	HILLSBORO CANAL
DELLEKER WWTP	CA0081744	PORTOLA	CA	Publicly owned treatment works	Minor	Middle Fork Feather River
LINCOLN CENTER ERT GWTS	CA0084255	STOCKTON	CA		Minor	Fourteen Mile Slough
SIXTEEN TO ONE MINE	CA0081809	ALLEGHANY	CA		Minor	Kanaka Creek
HAMMONTON GOLD VILLAGE WWTP	CA0081574	SMARTVILLE	CA	Publicly owned treatment works	Minor	UNNAMED TRIBUTARY OF SANFORD CREEK
COPPER COVE WWRF	CA0084620	COPPEROPOLIS	CA	Publicly owned treatment works	Minor	Jurisdictional Wetlands
US ARMY CORPS OF ENGINEERS - DWORSHAK DAM	ID0028586	AHSAHKA	ID		Minor	CLEARWATER RIVER
LAHAINA WASTEWATER RECLAMATION FACILITY (WWRF) INJECTION WELLS 1-4	HI0021848	WAILUKU	HI		Minor	Iao Stream
OUTFALLS OF THE MANA PLAIN DRAINAGE DITCH SYSTEM	HI0021952	KEKAHA	HI		Minor	Waieli Draw
CITY OF ANGELS WWTP	CA0085201	ANGELS CAMP	CA	Publicly owned treatment works	Minor	Angels Creek
EMPIRE MINE STATE HISTORIC PARK	CA0085171	GRASS VALLEY	CA		Minor	SOUTH FORK OF WOLF CREEK
PARADISE COVE WWTP	CA0037427	TIBURON	CA	Publicly owned treatment works	Minor	San Francisco Bay
CASCADE SHORES WWTP	CA0083241	NEVADA COUNTY	CA	Publicly owned treatment works	Minor	GAS CANYON CREEK
SPX MARLEY COOLING TECHNOLOGIES	CA0081787	STOCKTON	CA		Minor	Stockton Diverting Canal
PLACER COUNTY SEWER MAINTENANCE DISTRICT NO.3 WASTEWATER TREATMENT PLANT	CA0079367	LOOMIS	CA	Publicly owned treatment works	Minor	MINERS RAVINE