![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Assessment Data for the State of Oregon Year 2002
|
Impaired Water Information
Other Water Assessment Information
|
| NOTE: Oregon has assessed some lakes and reservoirs, however the acreages for these lakes and reservoirs were not available at the time this report was released. Because of this, a summary of Oregon's assessed lakes and reservoirs are not included in this report |
State of Oregon websites: | State 305(b) Water Quality Assessment Report(s) |
| State Water Quality Program |
Search for a Waterbody within Oregon
Total Assessed Waters for the State of Oregon
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 | 27,840.07 | .00 | 106.00 | 4.00 | .00 | .00 | .00 | .00 |
| Estimated Total Water Size in OR | 114,823.00 | 618,934.00 | 211.00 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
| Percent of Waters Assessed | 24.25 | .00 | 50.24 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
Assessed Waters of Oregon by Watershed
Description of this tableOregon 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 | 26,837.87 | 14.05 | .00 | 85.95 | |
 |
Recreation | 6,180.20 | 47.30 | .00 | 52.70 | |
 |
Public Water Supply | 4,603.60 | 49.77 | .00 | 50.23 | |
 |
Aquatic Life Harvesting | 4,579.70 | 53.73 | .00 | 46.27 | |
 |
Aesthetic Value | 3,329.00 | 66.29 | .00 | 33.71 | |
 |
Agricultural | 3,087.20 | 84.38 | .00 | 15.62 | |
Oregon Assessed Waters
Water Quality Attainment for Rivers and Streams
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | 3,795.72 | 13.63 |
| Threatened | .00 | .00 |
| Impaired | 24,044.35 | 86.37 |
| Total Miles Assessed | 27,840.07 | 100.00 |
Oregon Top Causes of Impairments
for Rivers and Streams
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | TEMPERATURE, WATER | 14,805.85 |
| 2 | FLOW MODIFICATION | 11,118.00 |
| 3 | HABITAT MODIFICATION | 10,493.70 |
| 4 | OXYGEN, DISSOLVED | 2,213.00 |
| 5 | TOTAL FECAL COLIFORM | 2,152.40 |
| 6 | SEDIMENTATION/SILTATION | 1,535.60 |
| 7 | MERCURY | 1,437.80 |
| 8 | PH | 1,151.10 |
| 9 | IRON | 710.30 |
| 10 | BIOLOGICAL CRITERIA | 706.30 |
Oregon Top Probable Sources of Impairments
for Rivers and Streams
No Probable Sources Reported.
Oregon Assessed Waters
Individual Use Support for Bays and Estuaries
Description of this table
| State Designated Use | Total Square Miles Assessed | Percent Good | Percent Threatened | Percent Impaired | % Good |
|
|---|---|---|---|---|---|---|
| % Threatened |
||||||
| % Impaired |
||||||
|
Fish, Shellfish, and Wildlife Protection and Propagation | 27.00 | 55.56 | .00 | 44.44 | |
|
Recreation | 29.00 | 100.00 | .00 | .00 | |
|
Aquatic Life Harvesting | 106.00 | 36.79 | .00 | 63.21 | |
Oregon Assessed Waters
Water Quality Attainment for Bays and Estuaries
Description of this table
| Attainment Status | Square Miles | Percent of Assessed |
| Good | 39.00 | 36.79 |
| Threatened | .00 | .00 |
| Impaired | 67.00 | 63.21 |
| Total Square Miles Assessed | 106.00 | 100.00 |
Oregon Top Causes of Impairments
for Bays and Estuaries
Description of this table
| # | State Cause Name | Total Square Miles Impaired |
|---|---|---|
| 1 | TOTAL FECAL COLIFORM | 67.00 |
| 2 | NICKEL | 12.00 |
| 3 | CHROMIUM, HEXAVALENT | 12.00 |
| 4 | COPPER | 12.00 |
| 5 | LEAD | 12.00 |
| 6 | TRIBUTYLIN TBT (TRIBUTYLSTANNE) | 12.00 |
| 7 | ZINC | 12.00 |
Oregon Top Probable Sources of Impairments
for Bays and Estuaries
No Probable Sources Reported.
Oregon Assessed Waters
Individual Use Support for Coastal Shorelines
Description of this table
| State Designated Use | Total Miles Assessed | Percent Good | Percent Threatened | Percent Impaired | % Good |
|
|---|---|---|---|---|---|---|
| % Threatened |
||||||
| % Impaired |
||||||
|
Aquatic Life Harvesting | 4.00 | .00 | .00 | 100.00 | |
Oregon Assessed Waters
Water Quality Attainment for Coastal Shorelines
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | .00 | .00 |
| Threatened | .00 | .00 |
| Impaired | 4.00 | 100.00 |
| Total Miles Assessed | 4.00 | 100.00 |
Oregon Top Causes of Impairments
for Coastal Shorelines
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | TOTAL FECAL COLIFORM | 4.00 |
Oregon Top Probable Sources of Impairments
for Coastal Shorelines
No Probable Sources Reported.
Oregon
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 | 307.60 | .00 | 12.00 | .00 | .00 | .00 | .00 | .00 |
| ARSENIC | 488.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ISOPHORONE | 8.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NAPHTHALENE | 8.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FLUORANTHENE | 24.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PHTHALATE ESTERS | 22.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NICKEL | 415.70 | .00 | 12.00 | .00 | .00 | .00 | .00 | .00 |
| DIELDRIN | 277.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NITRATES | 53.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PARATHION | 24.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HEPTACHLOR | 8.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHRYSENE (C1-C4) | 176.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BENZO[G,H,I]PERYLENE | 142.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHROMIUM, HEXAVALENT | 424.40 | .00 | 12.00 | .00 | .00 | .00 | .00 | .00 |
| TOTAL FECAL COLIFORM | 2,152.40 | .00 | 67.00 | 4.00 | .00 | .00 | .00 | .00 |
| AMMONIA (UNIONIZED) - TOXIN | 318.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BHC | 142.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHLORPYRIFOS | 41.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TOTAL DISSOLVED GAS | 399.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PENTACHLOROPHENOL (PCP) | 24.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| POLYCHLORINATED BIPHENYLS | 348.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DIOXIN (INCLUDING 2,3,7,8-TCDD) | 522.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DDD | 142.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LEAD | 269.20 | .00 | 12.00 | .00 | .00 | .00 | .00 | .00 |
| ENDRIN | 160.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SILVER | 204.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ALPHA-BNC | 142.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHLORDANE | 106.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MANGANESE | 507.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ACENAPHTHENE | 8.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TEMPERATURE, WATER | 14,805.85 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHLOROPHENOXY HERBICIDES (2,4-D) | .10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ALDRIN | 214.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CYANIDE | 142.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| GUTHION | 13.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MERCURY | 1,437.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| P,P' DDD | 24.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MALATHION | 38.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ENTEROCOCCUS | 1.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DIOXINS/FURANS | 245.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BENZO(A)PYRENE (PAHS) | 24.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PHENOL | 142.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CADMIUM | 220.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHLORINE | 53.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PHENANTHRENE | 8.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHLOROPHYLL-A | 502.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RADIONUCLIDES | 142.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ESCHERICHIA COLI | 368.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DICHLOROETHYLENES | .10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BIOLOGICAL CRITERIA | 706.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TETRACHLOROETHYLENE | .10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HABITAT MODIFICATION | 10,493.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PHOSPHORUS, ELEMENTAL | 664.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SEDIMENTATION/SILTATION | 1,535.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TRIBUTYLIN TBT (TRIBUTYLSTANNE) | 150.00 | .00 | 12.00 | .00 | .00 | .00 | .00 | .00 |
| IRON | 710.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PYRENE | 150.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ANTIMONY | 46.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FLOW MODIFICATION | 11,118.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BENZO[A]ANTHRACENE | 166.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AQUATIC WEEDS OR ALGAE | 264.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| POLYCYCLIC AROMATIC HYDROCARBONS (PAHS) (AQUATIC ECOSYSTEMS) | 213.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PH | 1,151.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DDE | 222.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DDT | 425.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| COPPER | 453.20 | .00 | 12.00 | .00 | .00 | .00 | .00 | .00 |
| TOXAPHENE | 23.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TURBIDITY | 88.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OXYGEN, DISSOLVED | 2,213.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
Oregon
Probable Sources Contributing to Impairment
No Source Data Reported by the State.
