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Assessment Data for the State of Ohio Year 2002
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Impaired Water Information
Other Water Assessment Information
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| NOTE: While not available at this website, OH EPA does have information available about fish consumption advisories at their website. |
State of Ohio websites: | State 305(b) Water Quality Assessment Report(s) |
| State Water Quality Program |
Search for a Waterbody within Ohio
Total Assessed Waters for the State of Ohio
Description of this table| Size Of Water | ||||||||
|---|---|---|---|---|---|---|---|---|
| Rivers, Streams, Creeks (Miles) | Lakes, Ponds, Reservoir (Acres) | Bays, Estuaries (Square Miles) | Coastal Shorelines (Miles) | Oceans, Near Coastal Waters (Square Miles) | Wetlands (Acres) | Great Lakes Shoreline (Miles) | Great Lakes Open Water (Square Miles) | |
| Total Assessed Waters | 41,383.37 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| Estimated Total Water Size in OH | 41,383.36 | 118,801.00 | Unavailable | Unavailable | Unavailable | Unavailable | 236.00 | Unavailable |
| Percent of Waters Assessed | 100.00 | .00 | Unavailable | Unavailable | Unavailable | Unavailable | .00 | Unavailable |
Assessed Waters of Ohio by Watershed
Description of this table| Watershed | Size of Water | |||||||
|---|---|---|---|---|---|---|---|---|
| Rivers, Streams, Creeks (Miles) | Lakes, Ponds, Reservoir (Acres) | Bays, Estuaries (Square Miles) | Coastal Shorelines (Miles) | Oceans, Near Coastal Waters (Square Miles) | Wetlands (Acres) | Great Lakes Shoreline (Miles) | Great Lakes Open Water (Square Miles) | |
| ASHTABULA-CHAGRIN | 915.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AUGLAIZE | 1,471.27 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BLACK-ROCKY | 1,456.88 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BLANCHARD | 245.69 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CEDAR-PORTAGE | 1,470.45 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHAUTAUQUA-CONNEAUT | 87.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CUYAHOGA | 1,024.57 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| GRAND | 591.76 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HOCKING | 1,153.18 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HURON-VERMILION | 747.68 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LICKING | 1,003.97 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LITTLE MIAMI | 2,322.98 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LITTLE MUSKINGUM-MIDDLE ISLAND | 1,154.22 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LITTLE SCIOTO-TYGARTS | 273.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER GREAT MIAMI | 1,607.29 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER MAUMEE | 818.72 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER SCIOTO | 1,621.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MAHONING | 1,223.77 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE OHIO-LAUGHERY | 261.55 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MISSISSINEWA | 36.02 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MOHICAN | 984.65 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUSKINGUM | 665.74 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OHIO BRUSH-WHITEOAK | 1,905.67 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OTTAWA-STONY | 296.24 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PAINT | 904.76 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RACCOON-SYMMES | 1,091.76 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SANDUSKY | 1,802.12 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SHENANGO | 418.22 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ST. JOSEPH | 265.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ST. MARYS | 326.67 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TIFFIN | 963.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TUSCARAWAS | 1,585.49 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER GREAT MIAMI | 2,588.69 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER MAUMEE | 290.98 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER OHIO | 667.35 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER OHIO-SHADE | 352.14 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER OHIO-WHEELING | 386.38 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER SCIOTO | 3,621.18 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER WABASH | 441.46 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WALHONDING | 1,736.95 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WHITEWATER | 115.64 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WILLS | 485.47 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
Ohio Assessed Waters
Individual Use Support for Rivers and Streams
Description of this table
| State Designated Use | Total Miles Assessed | Percent Good | Percent Threatened | Percent Impaired |  % Good |
|
|---|---|---|---|---|---|---|
 % Threatened |
||||||
 % Impaired |
||||||
 |
Fish, Shellfish, and Wildlife Protection and Propagation | 41,383.37 | 48.23 | .00 | 51.77 | |
Ohio Assessed Waters
Water Quality Attainment for Rivers and Streams
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | 19,958.71 | 48.23 |
| Threatened | .00 | .00 |
| Impaired | 21,424.66 | 51.77 |
| Total Miles Assessed | 41,383.37 | 100.00 |
Ohio Top Causes of Impairments
for Rivers and Streams
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | OTHER HABITAT ALTERATIONS | 14,362.40 |
| 2 | SEDIMENTATION/SILTATION | 11,939.62 |
| 3 | ORGANIC ENRICHMENT/DO | 11,284.60 |
| 4 | OTHER FLOW REGIME ALTERATIONS | 9,687.17 |
| 5 | NUTRIENTS | 9,068.47 |
| 6 | IMPAIRMENT UNKNOWN | 5,507.41 |
| 7 | METALS | 3,465.95 |
| 8 | AMMONIA (UNIONIZED) - TOXIN | 3,404.61 |
| 9 | UNKNOWN TOXICITY | 3,034.54 |
| 10 | PH | 1,981.20 |
Ohio Top Probable Sources of Impairments
for Rivers and Streams
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | NON-IRRIGATED CROP PRODUCTION | 10,672.72 |
| 2 | CHANNELIZATION - AGRICULTURE | 8,540.97 |
| 3 | MUNICIPAL POINT SOURCE DISCHARGES | 8,330.77 |
| 4 | SOURCE UNKNOWN | 5,226.93 |
| 5 | UNSPECIFIED URBAN STORMWATER | 4,886.55 |
| 6 | NATURAL SOURCES | 4,724.00 |
| 7 | INDUSTRIAL POINT SOURCE DISCHARGE | 4,511.46 |
| 8 | ON-SITE TREATMENT SYSTEMS (SEPTIC SYSTEMS AND SIMILAR DECENTRALIZED SYSTEMS) | 4,309.70 |
| 9 | CHANNELIZATION - DEVELOPMENT | 3,699.78 |
| 10 | REMOVAL OF RIPARIAN VEGETATION - AGRICULTURE | 3,471.08 |
Ohio
Causes of Impairment
Description of this table| State Cause Name | Size of Assessed Waters with Listed Causes of Impairment | |||||||
|---|---|---|---|---|---|---|---|---|
| Rivers, Streams, Creeks (Miles) | Lakes, Ponds, Reservoir (Acres) | Bays, Estuaries (Square Miles) | Coastal Shorelines (Miles) | Oceans, Near Coastal Waters (Square Miles) | Wetlands (Acres) | Great Lakes Shoreline (Miles) | Great Lakes Open Waters (Squar Miles) | |
| ZINC | 566.51 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ALUMINUM | 159.67 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TASTE AND ODOR | 181.35 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PRIORITY ORGANICS | 1,434.81 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TOTAL SUSPENDED SOLIDS (TSS) | 1,232.57 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| METALS | 3,465.95 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OTHER INORGANICS | 249.68 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UNKNOWN TOXICITY | 3,034.54 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AMMONIA (UNIONIZED) - TOXIN | 3,404.61 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TEMPERATURE, WATER | 694.32 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FILLING AND DRAINING | 29.06 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NOXIOUS AQUATIC PLANTS | 29.06 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MERCURY | 56.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TOTAL TOXICS | 378.15 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ORGANIC ENRICHMENT/DO | 11,284.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SALINITY/TDS/CHLORIDES | 1,055.15 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHLORINE | 310.01 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OIL AND GREASE | 1,385.72 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NATURAL LIMITS (WETLANDS) | 1,243.64 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OTHER FLOW REGIME ALTERATIONS | 9,687.17 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IRON | 570.47 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NUTRIENTS | 9,068.47 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IMPAIRMENT UNKNOWN | 5,507.41 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SEDIMENTATION/SILTATION | 11,939.62 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PH | 1,981.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TURBIDITY | 465.67 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PESTICIDES | 647.62 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OTHER HABITAT ALTERATIONS | 14,362.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
Ohio
Probable Sources Contributing to Impairment
Description of this table| State Source Name | Size of Assessed Waters with Probable Sources of Impairment | |||||||
|---|---|---|---|---|---|---|---|---|
| Rivers, Streams, Creeks (Miles) | Lakes, Ponds, Reservoir (Acres) | Bays, Estuaries (Square Miles) | Coastal Shorelines (Miles) | Oceans, Near Coastal Waters (Square Miles) | Wetlands (Acres) | Great Lakes Shoreline (Miles) | Great Lakes Open Waters (Square Miles) | |
| OTHER URBAN RUNOFF | 324.57 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CONTAMINATED SEDIMENTS | 949.55 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NON-IRRIGATED CROP PRODUCTION | 10,672.72 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HABITAT MODIFICATION (OTHER THAN HYDROMODIFICATION) | 819.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SANITARY SEWER OVERFLOWS (COLLECTION SYSTEM FAILURES) | 173.89 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OTHER SPILL RELATED IMPACTS | 64.47 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHANNELIZATION - AGRICULTURE | 8,540.97 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HIGHWAY/ROAD/BRIDGE/SEWER LINE | 656.43 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WASTE STORAGE/STORAGE TANK LEAKS | 113.89 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RANGELAND (UNMANAGED PASTURE) GRAZING | 109.89 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TOTAL RETENTION DOMESTIC SEWAGE LAGOONS | 198.43 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SITE CLEARANCE (LAND DEVELOPMENT OR REDEVELOPMENT) | 2,141.19 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPSTREAM IMPOUNDMENTS (E.G., PL-566 NRCS STRUCTURES) | 1,237.36 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WET WEATHER DISCHARGES (POINT SOURCE AND COMBINATION OF STORMWATER, SSO OR CSO) | 208.64 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AQUACULTURE | 15.19 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SILVICULTURE | 16.09 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RANGE GRAZING - UPLAND | 147.87 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOSS OF RIPARIAN HABITAT | 223.49 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IRRIGATED CROP PRODUCTION | 149.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHANNELIZATION - DEVELOPMENT | 3,699.78 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PETROLEUM/NATURAL GAS ACTIVITIES (LEGACY) | 155.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IMPACTS FROM HYDROSTRUCTURE FLOW REGULATION/MODIFICATION | 228.11 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MINING | 108.06 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SURFACE MINING | 2,281.69 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DAM OR IMPOUNDMENT | 204.91 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UNSPECIFIED URBAN STORMWATER | 4,886.55 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SUBSURFACE (HARDROCK) MININING | 591.01 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ANIMAL FEEDING OPERATIONS (NPS) | 1,034.88 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ANIMAL HOLDING/MANAGEMENT AREAS | 401.67 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DRAINAGE/FILLING OF WETLANDS - DEV. | 29.06 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| STREAMBANK MODIFICATIONS/DESTABLIZATION | 216.88 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FLOW REGULATION/MODIFICATION - AGRICULTURE | 1,598.89 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| REMOVAL OF RIPARIAN VEGETATION - AGRICULTURE | 3,471.08 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HIGHWAYS, ROADS, BRIDGES, INFRASTRUCTURE (NEW CONSTRUCTION) | 260.56 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LANDFILLS | 1,095.64 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PASTURE LAND | 2,477.67 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MINE TAILINGS | 317.33 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHANNELIZATION | 49.26 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DAM CONSTRUCTION - AGRICULTURE | 387.24 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HYDROMODIFICATION - AGRICULTURE | 92.53 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FLOW REGULATION/MODIFICATION - DEVELOPMENT | 1,112.64 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NATURAL SOURCES | 4,724.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SEPTAGE DISPOSAL | 308.11 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DREDGING - AGRICULTURE | 437.66 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| COMBINED SEWER OVERFLOWS | 3,448.17 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RANGE GRAZING - RIPARIAN | 607.99 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INDUSTRIAL LAND TREATMENT | 269.74 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HYDROMODIFICATION - DEVELOPMENT | 279.29 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DRAINAGE/FILLING OF WETLAND - AG. | 42.78 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL POINT SOURCE DISCHARGES | 8,330.77 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ABOVE GROUND STORAGE TANK LEAKS (TANK FARMS) | 2.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| REMOVAL OF RIPARIAN VEGETATION - DEVELOPMENT | 618.14 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HIGHWAY/ROAD/BRIDGE RUNOFF (NON-CONSTRUCTION RELATED) | 109.26 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ON-SITE TREATMENT SYSTEMS (SEPTIC SYSTEMS AND SIMILAR DECENTRALIZED SYSTEMS) | 4,309.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MARINAS | 172.37 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SPILLS FROM TRUCKS OR TRAINS | 1,650.83 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RANGE GRAZING - RIPARIAN MANURE LAGOONS | 85.36 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DAM CONSTRUCTION (OTHER THAN UPSTREAM FLOOD CONTROL PROJECTS) | 86.68 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PERMITTED RUNOFF FROM CONFINED ANIMAL FEEDING OPERATIONS (CAFOS) | 494.52 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOURCE UNKNOWN | 5,226.93 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ACID MINE DRAINAGE | 977.15 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| GROUNDWATER LOADINGS | 46.44 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DREDGING - DEVELOPMENT | 511.38 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SEWER LINE CONSTRUCTION | 482.59 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RCRA HAZARDOUS WASTE SITES | 432.75 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DAM CONSTRUCTION - DEVELOPMENT | 791.98 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INDUSTRIAL POINT SOURCE DISCHARGE | 4,511.46 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DREDGING (E.G., FOR NAVIGATION CHANNELS) | 19.66 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| STREAMBANK DESTABILIZATION - AGRICULTURE | 2,217.43 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| STREAMBANK DESTABILIZATION - DEVELOPMENT | 777.43 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PACKAGE PLANT OR OTHER PERMITTED SMALL FLOWS DISCHARGES | 427.32 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
