EPA · discharge permits by state
Discharge permits in Ohio
- 2,882Current permits
- 182Major dischargers
- 2,730Individual permits
A major discharger is one EPA rates as significant on volume, toxicity or the water it reaches; the rest are minors. An individual permit is written for one operation, while general permit coverage applies a statewide permit to a site that qualifies for it.
This page gathers Ohio’s current permits three ways below — by the program they are issued under, by the city of the discharge, and by watershed. It names 4 programs, 313 cities and 695 watersheds. Each list says which set it covers.
Every permit’s record
Each of the 2,882 current permits in Ohio has a record page: the permittee, the receiving water, the status and dates, and its effluent limits and exceedances. Each city below lists its own; or every permit in Ohio, A to Z.
By what is permitted in Ohio
By city
- CINCINNATI56
- COLUMBUS41
- AKRON30
- DELAWARE27
- CHARDON26
- LIMA23
- DAYTON22
- ASHTABULA20
- CLEVES18
- FREMONT18
- CLEVELAND17
- ELYRIA17
- MANSFIELD17
- MARION17
- WILMINGTON17
- WOOSTER17
- ZANESVILLE17
- CIRCLEVILLE16
- DEFIANCE16
- MILLERSBURG16
- ASHLAND15
- CANTON15
- SPRINGFIELD15
- LANCASTER14
- WAPAKONETA14
- GREENVILLE13
- MARIETTA13
- MEDINA13
- TIFFIN13
- ATHENS12
- BOWLING GREEN12
- BUCYRUS12
- HAMILTON12
- HILLSBORO12
- LOGAN12
- LOUISVILLE12
- MASSILLON12
- NEW PHILADELPHIA12
- NEWBURY12
- RAVENNA12
- SIDNEY12
- TOLEDO12
- ALLIANCE11
- CHILLICOTHE11
- CORTLAND11
- HARRISON11
- HINCKLEY11
- MIDDLEFIELD11
- PAINESVILLE11
- PENINSULA11
- WARREN11
- BRYAN10
- CLYDE10
- IRONTON10
- KIRTLAND10
- LUCASVILLE10
- MARYSVILLE10
- VIENNA10
- CADIZ9
- FOSTORIA9
- KELLEYS ISLAND9
- LISBON9
- LONDON9
- MADISON9
- MIDDLETOWN9
- MILFORD9
- NORWALK9
- OBERLIN9
- PORT CLINTON9
- URBANA9
- BATAVIA8
- BELLEFONTAINE8
- BURTON8
- CAMBRIDGE8
- CELINA8
- CHESTERLAND8
- FREEPORT8
- GALLIPOLIS8
- LEBANON8
- MANTUA8
- NEWARK8
- OAK HARBOR8
- SALEM8
- VAN WERT8
- CANFIELD7
- HUBBARD7
- JACKSONTOWN7
- KINSMAN7
- LORAIN7
- LORE CITY7
- LOUDONVILLE7
- MILAN7
- OREGON7
- PORTSMOUTH7
- PUT IN BAY7
- SANDUSKY7
- ST CLAIRSVILLE7
- VARIOUS7
- YOUNGSTOWN7
- AURORA6
- BARBERTON6
- CHAGRIN FALLS6
- CROTON6
- DELPHOS6
- DELTA6
- GENEVA6
- GRAFTON6
- HURON6
- JACKSON6
- JOHNSTOWN6
- KENTON6
- MCCONNELSVILLE6
- MINERVA6
- NEW LEXINGTON6
- NEW RICHMOND6
- NORTH CANTON6
- PERRYSVILLE6
- PIKETON6
- PIQUA6
- PLAIN CITY6
- SEVILLE6
- SOUTHINGTON6
- SPENCER6
- THOMPSON6
- UPPER SANDUSKY6
- VERMILION6
- WEST JEFFERSON6
- WEST SALEM6
- ASHVILLE5
- ATWATER5
- BAINBRIDGE5
- BEALLSVILLE5
- BROOKVILLE5
- BYESVILLE5
- CONESVILLE5
- COOLVILLE5
- COPLEY5
- COSHOCTON5
- DUBLIN5
- FINDLAY5
- GROVE CITY5
- HARTVILLE5
- HEBRON5
- HUNTSBURG5
- LEWISBURG5
- LOCKBOURNE5
- MIDDLE BASS ISLAND5
- NEW FRANKLIN5
- NORTON5
- OTTAWA5
- PAULDING5
- PERRYSBURG5
- PIONEER5
- ROCK CREEK5
- STEUBENVILLE5
- SUGARCREEK5
- TORONTO5
- WAKEMAN5
- WAYNESVILLE5
- WELLSTON5
- WELLSVILLE5
- WILLARD5
- WOODVILLE5
- AMELIA4
- ANDOVER4
- BELLEVUE4
- BIG PRAIRIE4
- CALDWELL4
- CANAL WINCHESTER4
- CAREY4
- CARROLLTON4
- CEDARVILLE4
- CENTERBURG4
- COLUMBIA STATION4
- COLUMBIANA4
- DEERFIELD4
- DOVER4
- DOYLESTOWN4
- FELICITY4
- FORT RECOVERY4
- FRANKLIN4
- GARFIELD HEIGHTS4
- HAMDEN4
- HIRAM4
- JEFFERSON4
- JEFFERSONVILLE4
- KENT4
- KINGSVILLE4
- LEXINGTON4
- LITCHFIELD4
- LITTLE HOCKING4
- LODI4
- LOVELAND4
- MACKSBURG4
- MALTA4
- MANCHESTER4
- MIAMISBURG4
- MOUNT VERNON4
- NAPOLEON4
- NAVARRE4
- NEW BREMEN4
- NEW PARIS4
- NEW VIENNA4
- NORTH BEND4
- NORTH LAWRENCE4
- NORTH RIDGEVILLE4
- OAK HILL4
- PERRY4
- QUAKER CITY4
- ROCKFORD4
- SHEFFIELD4
- SHREVE4
- SOUTH CHARLESTON4
- SWANTON4
- TROY4
- UTICA4
- WADSWORTH4
- WASHINGTON COURT HOUSE4
- WELLINGTON4
- WEST PORTSMOUTH4
- WHEELERSBURG4
- WINTERSVILLE4
- ADA3
- ADENA3
- ALEXANDRIA3
- AVON3
- BALTIC3
- BALTIMORE3
- BATH3
- BEAVERDAM3
- BELLAIRE3
- BELLVILLE3
- BIRMINGHAM3
- BLUFFTON3
- BOWERSTON3
- BREWSTER3
- BRILLIANT3
- BUTLER3
- CALEDONIA3
- CASTALIA3
- CHARM3
- COAL GROVE3
- CONNEAUT3
- CURTICE3
- CYGNET3
- DEXTER CITY3
- DIAMOND3
- EAST LIVERPOOL3
- EAST SPARTA3
- EATON3
- EDON3
- ELMORE3
- FAYETTE3
- GALENA3
- GALLOWAY3
- GENOA3
- GEORGETOWN3
- GIBSONBURG3
- GRANVILLE3
- HAVERHILL3
- LAKEVILLE3
- LEWIS CENTER3
- LOWELL3
- LUCAS3
- MASON3
- MCCLURE3
- MESOPOTAMIA3
- MIDDLE POINT3
- MINERAL CITY3
- MINSTER3
- MOGADORE3
- MORRAL3
- MOUNT GILEAD3
- MT GILEAD3
- NEW CONCORD3
- NEW KNOXVILLE3
- NEW WATERFORD3
- NEWCOMERSTOWN3
- NEWTON FALLS3
- NORTH BLOOMFIELD3
- NORTH ROYALTON3
- NOVA3
- OAKWOOD3
- OREGONIA3
- ORWELL3
- PATASKALA3
- PLEASANTVILLE3
- POMEROY3
- RACINE3
- ROCKBRIDGE3
- ROSEVILLE3
- SALINEVILLE3
- SARAHSVILLE3
- SARDIS3
- SCIO3
- SENECAVILLE3
- SHELBY3
- SMITHVILLE3
- ST MARYS3
- STRASBURG3
- STRATTON3
- STRONGSVILLE3
- SYCAMORE3
- TIPP CITY3
- TWINSBURG3
- UNION CITY3
- VANDALIA3
- VERSAILLES3
- WASHINGTON CH3
- WAVERLY3
- WEST ALEXANDRIA3
- WEST UNION3
- WINESBURG3
The 313 cities with the most permits. All 313 cities in Ohio with 3 or more permits are listed at every city in Ohio.
Watersheds inside Ohio 695
Every watershed with three or more permits in Ohio, most permits first.
- Subbasin 05040001 238
- Subbasin 05060001 197
- Subbasin 05080001 132
- Subbasin 05090202 120
- Subbasin 04110002 117
- Subbasin 05080002 116
- Subbasin 04110001 114
- Subbasin 05030103 114
- Subbasin 04100011 109
- Subbasin 04110003 103
- Subbasin 05060002 82
- Subbasin 04100007 81
- Subbasin 04100010 78
- Subbasin 04110004 78
- Subbasin 05040002 78
- Subbasin 05030101 71
- Subbasin 05030204 68
- Subbasin 05040003 63
- Subbasin 05040004 63
- Subbasin 04100012 58
- Subbasin 05040006 56
- Subbasin 05030106 48
- Watershed 0508000209 45
- Watershed 0411000201 43
- Subbasin 05040005 42
- Subbasin 05030202 38
- Subbasin 04100009 37
- Watershed 0504000105 37
- Subbasin 05090201 37
- Watershed 0411000406 36
- Subbasin 05060003 36
- Subbasin 05030201 34
- Subbasin 05090101 34
- Watershed 0504000101 33
- Watershed 0504000103 33
- Subbasin 05090103 32
- Subbasin 04100006 31
- Watershed 0411000304 31
- Subbasin 04100008 29
- Watershed 0411000303 29
- Subbasin 05090203 28
- Subbasin 05030102 26
- Watershed 0509020214 25
- Watershed 0410001007 24
- Watershed 0411000105 24
- Watershed 0506000111 24
- Watershed 0411000204 23
- Watershed 0411000302 23
- Subwatershed 041100030304 22
- Watershed 0410001206 21
- Watershed 0411000104 21
- Watershed 0503010111 21
- Watershed 0504000102 21
- Watershed 0506000112 21
- Watershed 0411000102 20
- Watershed 0411000401 20
- Subbasin 04100004 19
- Watershed 0503010308 19
- Watershed 0508000201 19
- Watershed 0411000101 18
- Subbasin 04120101 18
- Watershed 0412010106 18
- Watershed 0504000306 18
- Watershed 0504000408 18
- Watershed 0411000106 17
- Subwatershed 041100030402 17
- Watershed 0503010303 17
- Watershed 0504000604 17
- Watershed 0506000204 17
- Subbasin 05080003 17
- Watershed 0509020301 17
- Subbasin 05120101 17
- Watershed 0503010104 16
- Watershed 0503010307 16
- Watershed 0503020404 16
- Watershed 0508000118 16
- Subwatershed 050800020906 16
- Watershed 0509010301 16
- Subwatershed 041100010506 15
- Subwatershed 041100020102 15
- Watershed 0411000202 15
- Watershed 0411000205 15
- Watershed 0504000106 15
- Watershed 0504000110 15
- Watershed 0504000202 15
- Watershed 0509020206 15
- Watershed 0503010305 14
- Watershed 0503010602 14
- Watershed 0503010612 14
- Watershed 0503020201 14
- Subwatershed 050400010502 14
- Watershed 0504000603 14
- Watershed 0506000103 14
- Watershed 0410000704 13
- Subwatershed 041100030401 13
- Subwatershed 041100040606 13
- Subwatershed 041201010606 13
- Watershed 0503010206 13
- Watershed 0503010306 13
- Watershed 0503020110 13
- Watershed 0504000112 13
- Watershed 0504000117 13
- Watershed 0504000502 13
- Watershed 0506000116 13
- Watershed 0506000123 13
- Watershed 0508000119 13
- Watershed 0508000204 13
- Watershed 0509010306 13
- Watershed 0509020213 13
- Watershed 0410000703 12
- Watershed 0410001102 12
- Watershed 0410001202 12
- Subwatershed 041000120606 12
- Watershed 0503010106 12
- Watershed 0503010302 12
- Watershed 0503010304 12
- Subwatershed 050400010301 12
- Subwatershed 050600011103 12
- Subwatershed 050600011205 12
- Watershed 0508000107 12
- Watershed 0410000401 11
- Watershed 0410000708 11
- Watershed 0410001004 11
- Watershed 0410001005 11
- Watershed 0410001006 11
- Watershed 0410001101 11
- Watershed 0410001104 11
- Watershed 0410001114 11
- Subwatershed 041100020203 11
- Watershed 0411000206 11
- Watershed 0411000305 11
- Watershed 0503010301 11
- Watershed 0503020408 11
- Subwatershed 050400010101 11
- Watershed 0504000111 11
- Watershed 0504000204 11
- Watershed 0504000307 11
- Watershed 0508000207 11
- Watershed 0508000308 11
- Watershed 0509020208 11
- Watershed 0509020302 11
- Watershed 0410000604 10
- Watershed 0410000605 10
- Watershed 0410000712 10
- Subwatershed 041100010201 10
- Subwatershed 041100010602 10
- Subwatershed 041100020103 10
- Watershed 0411000203 10
- Subwatershed 041100020405 10
- Watershed 0503010203 10
- Watershed 0503020109 10
- Subwatershed 050400010105 10
- Watershed 0504000203 10
- Watershed 0504000206 10
- Watershed 0504000207 10
- Watershed 0504000404 10
- Watershed 0504000501 10
- Watershed 0506000110 10
- Watershed 0506000117 10
- Watershed 0506000118 10
- Watershed 0506000216 10
- Watershed 0506000305 10
- Watershed 0508000116 10
- Subbasin 04100001 9
- Watershed 0410000103 9
- Subwatershed 041000070404 9
- Watershed 0410000902 9
- Subwatershed 041000110403 9
- Watershed 0410001110 9
- Watershed 0410001113 9
- Watershed 0410001204 9
- Watershed 0411000107 9
- Subwatershed 041100020104 9
- Watershed 0411000301 9
- Subwatershed 041100030204 9
- Watershed 0411000403 9
- Subwatershed 050301030304 9
- Watershed 0503020209 9
- Watershed 0503020406 9
- Subwatershed 050400010505 9
- Subwatershed 050400011703 9
- Watershed 0504000205 9
- Watershed 0504000305 9
- Subwatershed 050400030602 9
- Watershed 0504000308 9
- Watershed 0504000403 9
- Subwatershed 050400040802 9
- Watershed 0506000113 9
- Watershed 0506000201 9
- Watershed 0508000111 9
- Watershed 0508000117 9
- Subwatershed 050800011805 9
- Watershed 0508000120 9
- Subwatershed 050800020105 9
- Watershed 0508000202 9
- Subwatershed 050800020902 9
- Watershed 0509020112 9
- Watershed 0509020202 9
- Watershed 0509020212 9
- Subwatershed 050902021305 9
All 695 watersheds in Ohio with 3 or more permits are named on one page at every watershed in Ohio.
Other states
Every state carrying three or more current permits, in alphabetical order.
- Mississippi 3,066
- Montana 4,574
- North Carolina 19,518
- North Dakota 3,594
- Nebraska 1,171
- New Hampshire 1,994
- New Jersey 15,347
- New Mexico 5,500
- Nevada 311
- New York 11,145
- Oklahoma 678
- Oregon 1,616
- Pennsylvania 14,586
- Puerto Rico 1,076
- Rhode Island 642
- South Carolina 13,763
- South Dakota 2,151
- Tennessee 12,924
- Texas 39,714
- Utah 17,184
Permits
Major dischargers first. Not every permit in Ohio is listed here.
| Permit holder | NPDES ID | City | Program | Discharger | Receiving water |
|---|---|---|---|---|---|
| 4K INDUSTRIAL PARK LLC | OH0011339 | MARTINS FERRY | Major | OHIO RIVER | |
| AK STEEL CORP - MANSFIELD WORKS | OH0006840 | MANSFIELD | Major | Rocky Fork | |
| AK STEEL CORPORATION MIDDLETOWN WORKS | OH0009997 | MIDDLETOWN | Major | Great Miami River, Dicks Creek | |
| AKRON WATER RECLAMATION FACILITY | OH0023833 | AKRON | Publicly owned treatment works | Major | City of Akron-Little Cuyahoga River |
| ALLIANCE WWTP | OH0023868 | ALLIANCE | Publicly owned treatment works | Major | Beech Creek |
| ALTIVIA PETROCHEMICALS LLC | OH0007391 | HAVERHILL | Major | Ohio River | |
| AMERICAN-BATH WWTP | OH0023841 | LIMA | Publicly owned treatment works | Major | Pike Run |
| AMERICAS STYRENICS LLC - HANGING ROCK | OH0099309 | IRONTON | Major | Big Thief Creek | |
| AQUA OHIO - UNION ROME WWTP | OH0094684 | CHESAPEAKE | Publicly owned treatment works | Major | Ohio River |
| AQUA OHIO WATER CO. INC. - BLACKLICK WWTP | OH0036021 | COLUMBUS | Publicly owned treatment works | Major | Blacklick Creek |
| AQUA OHIO WATER CO. INC. - HUBER RIDGE WWTP | OH0036013 | WESTERVILLE | Publicly owned treatment works | Major | Alum Creek |
| ASHLAND WWTP | OH0023906 | ASHLAND | Publicly owned treatment works | Major | Lang Creek |
| ASHTABULA WPCP | OH0023914 | ASHTABULA | Publicly owned treatment works | Major | Town of North Kingsville-Frontal Lake Erie |
| ATHENS WWTP | OH0023931 | ATHENS | Publicly owned treatment works | Major | Hocking River |
| AURORA WESTERLY WWTP | OH0098043 | AURORA | Publicly owned treatment works | Major | Pond Brook |
| AVON LAKE GENERATION STATION | OH0001112 | AVON LAKE | Major | Heider Ditch-Frontal Lake Erie | |
| B&G FOODS NORTH AMERICA, INC. - CINCINNATI CRISCO | OH0134155 | CINCINNATI | Major | Mill Creek | |
| BARBERTON WPCF | OH0024007 | BARBERTON | Publicly owned treatment works | Major | Tuscarawas River |
| BARNESVILLE WWTP | OH0024015 | BARNESVILLE | Publicly owned treatment works | Major | North Fork Captina Creek |
| BEDFORD WASTEWATER TREATMENT PLANT | OH0024040 | BEDFORD | Publicly owned treatment works | Major | Wood Creek |
| BELLEFONTAINE WWTP | OH0024066 | BELLEFONTAINE | Publicly owned treatment works | Major | Possum Run Creek |
| BLUFFTON WWTP | OH0020851 | BLUFFTON | Publicly owned treatment works | Major | Riley Creek |
| BOARDMAN WWTP | OH0037249 | YOUNGSTOWN | Publicly owned treatment works | Major | Mill Creek |
| BP-HUSKY REFINING, LLC | OH0002461 | OREGON | Major | Otter Creek-Frontal Lake Erie | |
| BROOKFIELD WWTP | OH0036285 | MASURY | Publicly owned treatment works | Major | Yankee Run |
| BUCKEYE LAKE WWTP | OH0039098 | BUCKEYE LAKE | Publicly owned treatment works | Major | S Fork Licking River |
| BUCYRUS WWTP | OH0052922 | BUCYRUS | Publicly owned treatment works | Major | Sandusky River |
| CAMBRIDGE WPCC | OH0024309 | CAMBRIDGE | Publicly owned treatment works | Major | Wills Creek |
| CAMPBELL SOUP SUPPLY COMPANY - SOUP PLANT | OH0003298 | NAPOLEON | Major | Maumee River | |
| CANAL WINCHESTER WWTP | OH0024333 | CANAL WINCHESTER | Publicly owned treatment works | Major | Walnut Creek |
| CASE FARMS OF OHIO | OH0005487 | WINESBURG | Major | UT of Indian Trail Creek | |
| CELINA WWTP | OH0020320 | CELINA | Publicly owned treatment works | Major | Beaver Creek |
| CENTRUS ENERGY CORP AMERICAN CENTRIFUGE OPERATING LLC | OH0115401 | PIKETON | Major | Little Beaver Creek | |
| CHILLICOTHE CORRECTIONAL INSTITUTE WASTEWATER PLNT | OH0076490 | CHILLICOTHE | Publicly owned treatment works | Major | Scioto River |
| CHILLICOTHE WWTP - EASTERLY | OH0024406 | CHILLICOTHE | Publicly owned treatment works | Major | Scioto River |
| CITY OF BEDFORD HEIGHTS WATER RECLAMATION PLANT | OH0024058 | BEDFORD HEIGHTS | Publicly owned treatment works | Major | UT to Hawthorn Creek |
| CITY OF BELLEVUE WATER POLLUTION CONTROL FACILITY | OH0020672 | BELLEVUE | Publicly owned treatment works | Major | Mills Creek |
| CITY OF CONNEAUT WWTP | OH0024767 | CONNEAUT | Publicly owned treatment works | Major | Marsh Run-Conneaut Creek |
| CITY OF EUCLID WWTP | OH0031062 | EUCLID | Publicly owned treatment works | Major | Lake Erie |
| CITY OF FINDLAY WATER POLLUTION CONTROL CENTER | OH0025135 | FINDLAY | Publicly owned treatment works | Major | Lye Creek |