EPA · discharge permits by pollutant and parameter

pH, maximum

549Permits carrying a limit
225With a recorded exceedance
5States

EPA identifies this parameter by code 61941. A permit listed here carries a numeric limit on ph, maximum 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 ph, maximum.

Subbasin 1501001544
Subbasin 1703000324
Subbasin 0506000116
Subbasin 0504000613
Subbasin 0508000213
Subbasin 1703000113
Subbasin 0504000112
Subbasin 1701030511
Subbasin 0503010311
Subbasin 1711001911
Subbasin 0411000110
Subbasin 0411000210
Subbasin 0509020210
Subbasin 041000119
Subbasin 050800019
Subbasin 171100029
Subbasin 170900128
Subbasin 041100037
Subbasin 170800037
Subbasin 011000056
Subbasin 011000046
Subbasin 041000076
Subbasin 050600026
Subbasin 050902035
Subbasin 171100145
Subbasin 170701055
Subbasin 160501025
Subbasin 050901035
Subbasin 041000104
Subbasin 050400024
Subbasin 160502034
Subbasin 050302044
Subbasin 170601084
Subbasin 170701014
Subbasin 050400044
Subbasin 041201014
Subbasin 170200164
Subbasin 170601073
Subbasin 041000083
Subbasin 050600033
Subbasin 050301013
Subbasin 171100043
Subbasin 041000093
Subbasin 011000013
Subbasin 010802053
Subbasin 170300023
Subbasin 170200103
Subbasin 171100123
Subbasin 171001033

Permits

Permit holder	NPDES ID	City	State	Program	Discharger	Receiving water
US OIL & REFINING TACOMA	WA0001783	TACOMA	WA		Major	Hylebos Creek-Frontal Commencement Bay
TITANIUM METALS CORPORATION	NV0000060	HENDERSON	NV		Major	City of Henderson-Las Vegas Wash
CHAMBERS CREEK STP	WA0039624	UNIVERSITY PLACE	WA	Publicly owned treatment works	Major	City of Tacoma-Frontal Commencement Bay
MCKINLEY PAPER COMPANY WASHINGTON MILL	WA0002925	PORT ANGELES	WA		Major
BEDFORD WASTEWATER TREATMENT PLANT	OH0024040	BEDFORD	OH	Publicly owned treatment works	Major	Wood Creek
SONOCO PRODUCTS COMPANY	WA0000884	SUMNER	WA		Major	White River
CITY OF NEWARK WASTEWATER TREATMENT PLANT	OH0026671	NEWARK	OH	Publicly owned treatment works	Major	Licking River
SUGARCREEK WRRF	OH0040592	SPRING VALLEY	OH	Publicly owned treatment works	Major	Little Miami River
STRUTHERS WWTP	OH0027600	STRUTHERS	OH	Publicly owned treatment works	Major	Mahoning River
MIBA BEARINGS US LLC	OH0048372	MCCONNELSVILLE	OH		Major	Muskingum River
LANXESS CORPORATION	WA0000281	KALAMA	WA		Major	Little Kalama River-Kalama River
INLAND EMPIRE PAPER COMPANY	WA0000825	SPOKANE	WA		Major	Chester Creek-Spokane River
CITY OF NORTH LAS VEGAS WATER RECLAMATION FACILITY	NV0023647	UNINCORPORATED CLARK COUNTY	NV	Publicly owned treatment works	Major	Town of Lovell
MILL CREEK WWTP	OH0025461	CINCINNATI	OH	Publicly owned treatment works	Major	Ohio River
WARREN STEEL HOLDINGS LLC	OH0011207	WARREN	OH		Major	MAHONING RIVER
MIDDLE EAST FORK WWTP	OH0049387	BATAVIA	OH	Publicly owned treatment works	Major	East Fork of Little Miami River
4K INDUSTRIAL PARK LLC	OH0011339	MARTINS FERRY	OH		Major	OHIO RIVER
BP CHERRY POINT REFINERY	WA0022900	BLAINE	WA		Major	Terrell Creek-Frontal Birch Bay
CITY OF LAS VEGAS WATER POLLUTION CONTROL FACILITY	NV0020133	LAS VEGAS	NV	Publicly owned treatment works	Major	Box Canyon-Las Vegas Wash
WILLOUGHBY-EASTLAKE WATER POLLUTION CONTROL CENTER	OH0028126	EASTLAKE	OH	Publicly owned treatment works	Major	Lake Erie
CAMPBELL SOUP SUPPLY COMPANY - SOUP PLANT	OH0003298	NAPOLEON	OH		Major	Maumee River
KURT R. SEGLER WATER RECLAMATION FACILITY	NV0022098	HENDERSON	NV	Publicly owned treatment works	Major	Black Mountain
HAMILTON WATER RECLAMATION FACILITY	OH0025445	HAMILTON	OH	Publicly owned treatment works	Major	Great Miami River
FLAMINGO WATER RESOURCE CENTER	NV0021261	LAS VEGAS	NV	Publicly owned treatment works	Major	Duck Creek
ASHTABULA WPCP	OH0023914	ASHTABULA	OH	Publicly owned treatment works	Major	Town of North Kingsville-Frontal Lake Erie
YOUNGSTOWN WWTP	OH0028223	YOUNGSTOWN	OH	Publicly owned treatment works	Major	Mahoning River
TIMKENSTEEL CORP. - CANTON WWTP	OH0004219	CANTON	OH		Major	Domer Ditch to Hurford Run
EASTERN REGIONAL WATER RECLAMATION FACILITY	OH0026590	KETTERING	OH	Publicly owned treatment works	Major	Little Beaver Creek
FALLON WASTEWATER TREATMENT PLANT	NV0020061	FALLON	NV	Publicly owned treatment works	Major	South Branch-Carson River
GEORGIA-PACIFIC CONSUMER OPERATIONS LLC	WA0000256	CAMAS	WA		Major	Lake River-Frontal Columbia 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
DURHAM STP	OR0028118	TIGARD	OR	Publicly owned treatment works	Major	TUALATIN RIVER
AVON LAKE GENERATION STATION	OH0001112	AVON LAKE	OH		Major	Heider Ditch-Frontal Lake Erie
ROCK CREEK STP	OR0029777	HILLSBORO	OR	Publicly owned treatment works	Major	TUALATIN RIVER (RM 38)
CITY OF MANSFIELD WWTP	OH0026328	MANSFIELD	OH	Publicly owned treatment works	Major	Outlet Rocky Fork
IRONTON WWTP	OH0025852	IRONTON	OH	Publicly owned treatment works	Major	Storms Creek
MEDINA COUNTY SEWER DISTRICT NO. 300	OH0045748	HINCKLEY	OH	Publicly owned treatment works	Major	East Branch Rocky River
CITY OF BEDFORD HEIGHTS WATER RECLAMATION PLANT	OH0024058	BEDFORD HEIGHTS	OH	Publicly owned treatment works	Major	UT to Hawthorn Creek
MIDDLETOWN WWTP	OH0026522	MIDDLETOWN	OH	Publicly owned treatment works	Major	Great Miami River