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2002 Section 303(d) List Fact Sheet for ILLINOIS

List Status
APPROVED by EPA on AUG-15-2003.

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 571
NOT REPORTED color.gif 198
LAKE/RESERVOIR/POND color.gif 15
CANAL color.gif 7
BAY color.gif 6
BRANCH color.gif 5
HARBOR color.gif 1
Total Number of Impaired Waters Reported: 803

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 511 63.64
Big Muddy color.gif 35 4.36
Des Plaines color.gif 28 3.49
Saline color.gif 24 2.99
Chicago color.gif 21 2.62
Upper Fox color.gif 19 2.37
Little Wabash color.gif 13 1.62
Lower Kaskaskia color.gif 12 1.49
Lower Ohio color.gif 10 1.25
Cahokia-Joachim color.gif 10 1.25
Macoupin color.gif 9 1.12
Middle Kaskaskia color.gif 9 1.12
Green color.gif 8 1.00
Embarras color.gif 7 .87
Flint-Henderson color.gif 7 .87
Shoal color.gif 7 .87
Lower Illinois-Lake Chautauqua color.gif 6 .75
South Fork Sangamon color.gif 6 .75
Lower Illinois color.gif 6 .75
Cache color.gif 6 .75
Vermilion color.gif 5 .62
Salt color.gif 5 .62
Little Calumet-Galien color.gif 4 .50
La Moine color.gif 4 .50
Middle Wabash-Busseron color.gif 3 .37
Upper Mississippi-Cape Girardeau color.gif 3 .37
The Sny color.gif 3 .37
Mackinaw color.gif 3 .37
Pike-Root color.gif 2 .25
Upper Kaskaskia color.gif 2 .25
Upper Sangamon color.gif 2 .25
Spoon color.gif 2 .25
Lower Illinois-Senachwine Lake color.gif 2 .25
Lower Fox color.gif 2 .25
Lower Rock color.gif 2 .25
Pecatonica color.gif 2 .25
Middle Wabash-Little Vermilion color.gif 1 .12
Skillet color.gif 1 .12
Kishwaukee color.gif 1 .12
Iroquois color.gif 1 .12
Apple-Plum color.gif 1 .12
Copperas-Duck color.gif 1 .12
Lower Ohio-Bay color.gif 1 .12
Lower Wabash color.gif 1 .12
Total Number of Impaired Waters Reported: 803
Click on the map above for an interactive Enviromapper session!

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
NUTRIENTS color.gif 862 24.77
METALS color.gif 349 10.03
ORGANIC ENRICHMENT/LOW DO color.gif 296 8.51
UNIONIZED AMMONIA color.gif 287 8.25
OTHER HABITAT ALTERATIONS color.gif 240 6.90
SEDIMENT/SILTATION color.gif 236 6.78
SUSPENDED SOLIDS color.gif 210 6.03
PCBS color.gif 191 5.49
PATHOGENS color.gif 160 4.60
ALGAL GRWTH/CHLOROPHYLL A color.gif 140 4.02
PRIORITY ORGANICS color.gif 109 3.13
PH color.gif 99 2.84
SALINITY/TDS/CHLORIDES color.gif 85 2.44
FLOW ALTERATION color.gif 67 1.93
NOXIOUS AQUATIC PLANTS color.gif 46 1.32
SULFATES color.gif 41 1.18
PESTICIDES color.gif 21 .60
CYANIDE color.gif 14 .40
EXOTIC SPECIES color.gif 9 .26
CAUSE UNKNOWN color.gif 5 .14
OIL AND GREASE color.gif 4 .11
OTHER INORGANICS color.gif 3 .09
NONPRIORITY ORGANICS color.gif 3 .09
THERMAL MODIFICATIONS color.gif 2 .06
CHLORINE color.gif 1 .03
Total Number of Impairments Reported: 3,480

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
MEDIUM color.gif 3136 90.11
HIGH color.gif 305 8.76
LOW color.gif 35 1.01
NOT REPORTED color.gif 4 .11
Total Number of Impairments Reported: 3,480

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
PHOSPHORUS color.gif 35 27.78
AMMONIA-NITROGEN color.gif 15 11.90
CHLORIDE color.gif 15 11.90
BOD color.gif 11 8.73
TOTAL PHOSPHORUS color.gif 10 7.94
MANGANESE color.gif 9 7.14
SULFATES color.gif 7 5.56
TDS color.gif 5 3.97
SULFATE color.gif 4 3.17
TSS color.gif 4 3.17
NUTRIENTS color.gif 2 1.59
SEDIMENT color.gif 2 1.59
SILTATION color.gif 2 1.59
TOTAL SUSPENDED SOLIDS color.gif 2 1.59
SUSPENDED SOLIDS color.gif 2 1.59
SILVER color.gif 1 .79
Total Number of TMDLs Reported to EPA since January 1, 1996: 126

Approved TMDLS by EPA Fiscal Year (October 1 through September 30) since October 1, 1995
Fiscal Year Number of TMDLs Approved Percent Approved
2002 color.gif 9 7.14
2003 color.gif 9 7.14
2004 color.gif 108 85.71

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
Illinois Environment & Natural Resources Agency Exiting EPA Website

 

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