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1998 Section 303(d) List Fact Sheet for IDAHO

List Status
APPROVED by EPA on .

Click here to see metadata for this report.

Waters Listed by Waterbody Type

NOTE: Click on the underlined "Number of Waters on List" value to see a listing of those waters.
Waterbody Type Number of Waters on List
STREAM/CREEK/RIVER color.gif 798
LAKE/RESERVOIR/POND color.gif 43
NOT REPORTED color.gif 1
Total Number of Impaired Waters Reported: 838

Waters Listed by Watershed
NOTE: Click on the underlined "Watershed Name" to view a Watershed report. Click on the underlined "Number of Waters on List" value to see a listing of those waters.
Watershed Name Number of Waters on List Percent of Reported
Not Reported color.gif 268 31.98
Clearwater color.gif 41 4.89
St. Joe color.gif 35 4.18
Lower Salmon color.gif 27 3.22
Middle Snake-Succor color.gif 23 2.74
Willow color.gif 20 2.39
Middle Bear color.gif 18 2.15
Palisades color.gif 18 2.15
Upper North Fork Clearwater color.gif 18 2.15
South Fork Clearwater color.gif 17 2.03
Weiser color.gif 16 1.91
North Fork Payette color.gif 15 1.79
Lower North Fork Clearwater color.gif 15 1.79
Pend Oreille Lake color.gif 14 1.67
American Falls color.gif 13 1.55
Camas color.gif 13 1.55
Lower Boise color.gif 13 1.55
C. J. Strike Resevoir color.gif 13 1.55
Big Lost color.gif 13 1.55
South Fork Boise color.gif 12 1.43
Upper Middle Fork Salmon color.gif 12 1.43
Lochsa color.gif 12 1.43
Bear Lake color.gif 11 1.31
South Fork Salmon color.gif 11 1.31
Upper Salmon color.gif 11 1.31
Big Wood color.gif 11 1.31
Salmon Falls color.gif 10 1.19
Little Wood color.gif 10 1.19
Lower Bear-Malad color.gif 9 1.07
Middle Salmon-Chamberlain color.gif 9 1.07
Lemhi color.gif 9 1.07
Raft color.gif 9 1.07
Little Lost color.gif 9 1.07
Goose color.gif 9 1.07
Lower Clark Fork color.gif 8 .95
Jordan color.gif 8 .95
Upper Snake-Rock color.gif 8 .95
Upper Coeur D'Alene color.gif 8 .95
Lower Kootenai color.gif 7 .84
Coeur D'Alene Lake color.gif 7 .84
Little Salmon color.gif 7 .84
Middle Salmon-Panther color.gif 7 .84
Palouse color.gif 7 .84
Brownlee Reservoir color.gif 7 .84
Lake Walcott color.gif 7 .84
Portneuf color.gif 7 .84
Central Bear color.gif 6 .72
Payette color.gif 6 .72
Boise-Mores color.gif 6 .72
Priest color.gif 6 .72
Bruneau color.gif 6 .72
Idaho Falls color.gif 5 .60
Hells Canyon color.gif 5 .60
Beaver-Camas color.gif 5 .60
Upper Owyhee color.gif 5 .60
Upper Henrys color.gif 4 .48
Teton color.gif 4 .48
Lower Selway color.gif 4 .48
Hangman color.gif 3 .36
North And Middle Forks Boise color.gif 3 .36
Pahsimeroi color.gif 3 .36
South Fork Payette color.gif 3 .36
Curlew Valley color.gif 2 .24
Lower Middle Fork Salmon color.gif 2 .24
Middle Fork Payette color.gif 2 .24
Upper Spokane color.gif 2 .24
Salt color.gif 2 .24
Upper Kootenai color.gif 1 .12
South Fork Coeur D'Alene color.gif 1 .12
Middle Fork Clearwater color.gif 1 .12
Middle Snake-Payette color.gif 1 .12
Middle Owyhee color.gif 1 .12
Blackfoot color.gif 1 .12
Moyie color.gif 1 .12
Pend Oreille color.gif 1 .12
Total Number of Impaired Waters Reported: 838
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Impairments
NOTE: Click on the underlined "Impairments Reported" value to see a listing of those waters with the impairment. Click on the underlined "General Impairment Name" to see the detailed state reported impairment names.
General Impairment Name Impairments Reported Percent of Reported
SEDIMENT/SILTATION color.gif 565 34.14
THERMAL MODIFICATIONS color.gif 253 15.29
NUTRIENTS color.gif 227 13.72
PATHOGENS color.gif 124 7.49
CAUSE UNKNOWN color.gif 109 6.59
FLOW ALTERATION color.gif 108 6.53
ORGANIC ENRICHMENT/LOW DO color.gif 76 4.59
OTHER HABITAT ALTERATIONS color.gif 70 4.23
METALS color.gif 46 2.78
OIL AND GREASE color.gif 14 .85
UNIONIZED AMMONIA color.gif 13 .79
SUSPENDED SOLIDS color.gif 12 .73
PH color.gif 12 .73
PESTICIDES color.gif 11 .66
OTHER CAUSE color.gif 8 .48
PRIORITY ORGANICS color.gif 6 .36
SALINITY/TDS/CHLORIDES color.gif 1 .06
Total Number of Impairments Reported: 1,655

Impairment Priorities
NOTE: Click on the underlined "Impairments Reported" value to see a listing of those waters with that impairment priority.
Priority Impairments Reported Percent of Reported
NOT REPORTED color.gif 1655 100.00
Total Number of Impairments Reported: 1,655

Approved TMDLs by Pollutant since January 1, 1996
NOTE: Click on the underlined "Pollutant" value to see associated listed waters for which a TMDL was developed. Click on the underlined "Number of TMDLs Approved" value to see a listing of those approved TMDLs for the pollutant. EPA is in the process of collecting TMDL information from the states. Because these efforts are on-going, there may be additional approved TMDLs that were not included in the listings below.
Pollutant Number of TMDLs Approved Percent of Reported
SEDIMENT color.gif 268 33.88
TEMPERATURE color.gif 186 23.51
NUTRIENTS color.gif 97 12.26
BACTERIA color.gif 37 4.68
CADMIUM color.gif 29 3.67
LEAD color.gif 29 3.67
ZINC color.gif 29 3.67
PHOSPHORUS color.gif 22 2.78
DISSOLVED OXYGEN color.gif 19 2.40
TOTAL PHOSPHORUS color.gif 15 1.90
PATHOGENS color.gif 9 1.14
ENTEROCOCCUS BACTERIA color.gif 6 .76
RIPARIAN SHADE color.gif 6 .76
DDT color.gif 5 .63
TOTAL SUSPENDED SOLIDS color.gif 5 .63
DDE color.gif 5 .63
DIELDRIN color.gif 5 .63
DDD color.gif 5 .63
SUSPENDED SEDIMENT color.gif 4 .51
TOTAL DISSOLVED GAS color.gif 3 .38
TURBIDITY color.gif 2 .25
AMMONIA color.gif 2 .25
PH color.gif 1 .13
E. COLI color.gif 1 .13
OIL AND GREASE color.gif 1 .13
Total Number of TMDLs Reported to EPA since January 1, 1996: 791

Approved TMDLS by EPA Fiscal Year (October 1 through September 30) since October 1, 1995
Fiscal Year Number of TMDLs Approved Percent Approved
1996 color.gif 4 .51
1997 color.gif 14 1.77
1998 color.gif 5 .63
1999 color.gif 12 1.52
2000 color.gif 251 31.73
2001 color.gif 74 9.36
2002 color.gif 81 10.24
2003 color.gif 119 15.04
2004 color.gif 231 29.20

TMDL Document Search

Full Text Search of TMDL Documents is available here.
External Links
The following agencies may also have relevant environmental information:
U. S. Geological Survey Data Exiting EPA Website
Idaho Department of Environmental Quality Exiting EPA Website
EPA Region 10 Office of Water Exiting EPA Website

 

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