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Section 303(d) List Fact Sheet for EPA Region 6

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Impaired Waters Listed by State
NOTE: Click on the underlined "State Name" value to see a State Report. The following table identifies the most current electronic version of the state data entered into the EPA database
State Name Current
System (Electronic)
Version		 Waters on List List Status EPA Decision Date
ARKANSAS 2008 color.gif 224 APPROVAL/DISAPPROVAL JUN-18-2008
LOUISIANA 2006 color.gif 250 APPROVAL/DISAPPROVAL OCT-19-2007
NEW MEXICO 2008 color.gif 187 APPROVAL/DISAPPROVAL FEB-06-2009
OKLAHOMA 2008 color.gif 743 APPROVED OCT-22-2008
TEXAS 2008 color.gif 651 APPROVED JUL-10-2008
Total Number of Impaired Waters Reported: 2,055

Waters Listed by Waterbody Type

NOTE: Click on the underlined "Waters on List" value to see a listing of those waters.
Waterbody Type Waters on List
RIVER color.gif 942
STREAM color.gif 713
FRESHWATER STREAM color.gif 217
FRESHWATER LAKE color.gif 180
RESERVOIR color.gif 106
LAKE color.gif 64
TIDAL RIVER color.gif 59
ESTUARY color.gif 49
TIDAL STREAM color.gif 36
STREAM/CREEK/RIVER color.gif 35
LAKE/RESERVOIR/POND color.gif 30
FRESHWATER RESERVOIR color.gif 30
EPHEMERAL STREAM color.gif 10
OCEAN color.gif 10
INTERMITTENT STREAM color.gif 6
BRANCH color.gif 6
COASTAL WATERS color.gif 5
CREEK color.gif 4
WETLANDS, FRESHWATER color.gif 2
CIRQUE LAKE color.gif 1
NOT REPORTED color.gif 1
Total Number of Impaired Waters Reported: 2,055

Waters Listed by Watershed
NOTE: Click on the underlined "Watershed Name" to view Watershed report. Click on the underlined "Waters on List" value to see a listing of those waters.
Watershed Name States Number of Waters on List Percent of Reported
Animas Colorado New Mexico color.gif 3 .15
Atascosa Texas color.gif 1 .05
Austin-Oyster Texas color.gif 4 .19
Austin-Travis Lakes Texas color.gif 6 .29
Bayou Bartholomew Arkansas Louisiana color.gif 13 .63
Bayou D'Arbonne Arkansas Louisiana color.gif 5 .24
Bayou Meto Arkansas color.gif 6 .29
Beaver Reservoir Arkansas Missouri color.gif 8 .39
Big Arkansas color.gif 4 .19
Big Bend Texas color.gif 1 .05
Bird Oklahoma color.gif 17 .83
Black Bear-Red Rock Oklahoma color.gif 19 .92
Blackwater Draw New Mexico Texas color.gif 1 .05
Blue-China Oklahoma Texas color.gif 2 .10
Bodcau Bayou Arkansas Louisiana color.gif 2 .10
Bois D'Arc-Island Oklahoma Texas color.gif 1 .05
Bosque Texas color.gif 1 .05
Buffalo Arkansas color.gif 3 .15
Buffalo-San Jacinto Texas color.gif 48 2.34
Bull Shoals Lake Arkansas Missouri color.gif 3 .15
Caballo New Mexico color.gif 3 .15
Cache Arkansas Missouri color.gif 18 .88
Cache Oklahoma color.gif 9 .44
Caddo Lake Louisiana Texas color.gif 16 .78
Cadron Arkansas color.gif 2 .10
Canadian Headwaters Colorado New Mexico color.gif 9 .44
Caney Kansas Oklahoma color.gif 10 .49
Cedar Texas color.gif 10 .49
Central Matagorda Bay Texas color.gif 5 .24
Chikaskia Kansas Oklahoma color.gif 6 .29
Cibolo Texas color.gif 1 .05
Cibolo-Red Light Texas color.gif 1 .05
Cimarron New Mexico color.gif 20 .97
Cimarron Headwaters Colorado New Mexico Oklahoma color.gif 5 .24
Clear Boggy Oklahoma color.gif 3 .15
Concho Texas color.gif 1 .05
Crooked Kansas Oklahoma color.gif 1 .05
Cross Bayou Arkansas Louisiana Texas color.gif 1 .05
Current Arkansas Missouri color.gif 2 .10
Dardanelle Reservoir Arkansas color.gif 7 .34
Deep Fork Oklahoma color.gif 30 1.46
Dirty-Greenleaf Oklahoma color.gif 6 .29
East Fork Trinity Texas color.gif 2 .10
East Galveston Bay Texas color.gif 3 .15
East Matagorda Bay Texas color.gif 2 .10
Elephant Butte Reservoir New Mexico color.gif 2 .10
Eleven Point Arkansas Missouri color.gif 1 .05
Elk Arkansas Missouri Oklahoma color.gif 1 .05
Elm Fork Red Oklahoma Texas color.gif 3 .15
Farmers-Mud Oklahoma Texas color.gif 9 .44
Fourche La Fave Arkansas color.gif 7 .34
Frog-Mulberry Arkansas color.gif 2 .10
Groesbeck-Sandy Oklahoma Texas color.gif 1 .05
Illinois Arkansas Oklahoma color.gif 22 1.07
Jemez New Mexico color.gif 24 1.17
Kaw Lake Kansas Oklahoma color.gif 2 .10
Kiamichi Arkansas Oklahoma color.gif 15 .73
L'Anguille Arkansas color.gif 8 .39
Lake Conway-Point Remove Arkansas color.gif 3 .15
Lake Fork Texas color.gif 2 .10
Lake Meredith Texas color.gif 2 .10
Lake O' The Cherokees Arkansas Kansas Missouri Oklahoma color.gif 14 .68
Lake O'The Pines Texas color.gif 3 .15
Lake Texoma Oklahoma Texas color.gif 5 .24
Lampasas Texas color.gif 1 .05
Leon Texas color.gif 2 .10
Little Oklahoma color.gif 14 .68
Little Cypress Texas color.gif 3 .15
Little Missouri Arkansas color.gif 3 .15
Little Red Arkansas color.gif 2 .10
Little Wichita Texas color.gif 1 .05
Loggy Bayou Arkansas Louisiana color.gif 5 .24
Lower Angelina Texas color.gif 16 .78
Lower Arkansas Arkansas color.gif 1 .05
Lower Arkansas-Maumelle Arkansas color.gif 2 .10
Lower Beaver Oklahoma Texas color.gif 10 .49
Lower Black Arkansas Missouri color.gif 2 .10
Lower Brazos Texas color.gif 1 .05
Lower Brazos-Little Brazos Texas color.gif 8 .39
Lower Canadian Oklahoma color.gif 18 .88
Lower Canadian-Deer Oklahoma Texas color.gif 12 .58
Lower Canadian-Walnut Oklahoma color.gif 18 .88
Lower Cimarron Oklahoma color.gif 22 1.07
Lower Cimarron-Eagle Chief Kansas Oklahoma color.gif 12 .58
Lower Cimarron-Skeleton Oklahoma color.gif 22 1.07
Lower Frio Texas color.gif 2 .10
Lower Little Arkansas Oklahoma color.gif 9 .44
Lower Neches Texas color.gif 2 .10
Lower Neosho Arkansas Oklahoma color.gif 17 .83
Lower North Canadian Oklahoma color.gif 46 2.24
Lower North Fork Red Oklahoma color.gif 7 .34
Lower Ouachita-Bayou De Loutre Arkansas Louisiana color.gif 5 .24
Lower Ouachita-Smackover Arkansas color.gif 8 .39
Lower Prairie Dog Town Fork Red Oklahoma Texas color.gif 1 .05
Lower Sabine Louisiana Texas color.gif 1 .05
Lower Saline Arkansas color.gif 5 .24
Lower Salt Fork Arkansas Kansas Oklahoma color.gif 12 .58
Lower Salt Fork Red Oklahoma Texas color.gif 6 .29
Lower San Antonio Texas color.gif 3 .15
Lower St. Francis Arkansas Missouri color.gif 5 .24
Lower Sulphur Arkansas Texas color.gif 11 .54
Lower Trinity-Kickapoo Texas color.gif 9 .44
Lower Verdigris Oklahoma color.gif 10 .49
Lower Washita Oklahoma color.gif 5 .24
Lower West Fork Trinity Texas color.gif 5 .24
Lower White-Bayou Des Arc Arkansas color.gif 8 .39
Lower Wolf Oklahoma Texas color.gif 3 .15
Mckinney-Posten Bayous Arkansas Louisiana Texas color.gif 7 .34
Medicine Lodge Kansas Oklahoma color.gif 3 .15
Medina Texas color.gif 4 .19
Middle Beaver Kansas Oklahoma color.gif 2 .10
Middle Brazos-Lake Whitney Texas color.gif 2 .10
Middle Canadian-Spring Texas color.gif 1 .05
Middle Guadalupe Texas color.gif 4 .19
Middle Neches Texas color.gif 5 .24
Middle North Canadian Oklahoma color.gif 12 .58
Middle North Fork Red Oklahoma Texas color.gif 2 .10
Middle Sabine Louisiana Texas color.gif 4 .19
Middle San Juan Arizona Colorado New Mexico color.gif 3 .15
Middle Verdigris Kansas Oklahoma color.gif 9 .44
Middle Washita Oklahoma color.gif 29 1.41
Middle White Arkansas color.gif 3 .15
Mimbres New Mexico color.gif 3 .15
Mora New Mexico color.gif 1 .05
Mountain Fork Arkansas Oklahoma color.gif 4 .19
Muddy Boggy Oklahoma color.gif 7 .34
Navasota Texas color.gif 9 .44
North Bosque Texas color.gif 11 .54
North Concho Texas color.gif 1 .05
North Fork White Arkansas Missouri color.gif 1 .05
North Galveston Bay Texas color.gif 4 .19
Northern Beaver Oklahoma color.gif 6 .29
NOT REPORTED Not Reported color.gif 775 37.71
Ouachita Headwaters Arkansas color.gif 5 .24
Palo Duro Oklahoma Texas color.gif 3 .15
Pease Texas color.gif 1 .05
Pecan-Waterhole Arkansas Oklahoma Texas color.gif 6 .29
Pecos Headwaters New Mexico color.gif 12 .58
Petit Jean Arkansas color.gif 3 .15
Pine Island Bayou Texas color.gif 7 .34
Polecat-Snake Oklahoma color.gif 13 .63
Poteau Arkansas Oklahoma color.gif 15 .73
Revuelto New Mexico color.gif 1 .05
Rio Chama Colorado New Mexico color.gif 22 1.07
Rio Grande-Albuquerque New Mexico color.gif 5 .24
Rio Grande-Fort Quitman Texas color.gif 4 .19
Rio Grande-Santa Fe New Mexico color.gif 17 .83
Rio Hondo New Mexico color.gif 2 .10
Rio Penasco New Mexico color.gif 3 .15
Rio Puerco New Mexico color.gif 1 .05
Rio San Jose New Mexico color.gif 2 .10
Rita Blanca New Mexico Oklahoma Texas color.gif 1 .05
Robert S. Kerr Resevoir Arkansas Oklahoma color.gif 10 .49
Sabine Lake Louisiana Texas color.gif 5 .24
Salt Fork Brazos Texas color.gif 3 .15
San Ambrosia-Santa Isabel Texas color.gif 1 .05
San Bernard Texas color.gif 1 .05
San Francisco Arizona New Mexico color.gif 2 .10
San Gabriel Texas color.gif 1 .05
South Corpus Christi Bay Texas color.gif 2 .10
South Laguna Madre Texas color.gif 8 .39
Southern Beaver Texas color.gif 1 .05
Spring Arkansas Missouri color.gif 4 .19
Spring Kansas Missouri Oklahoma color.gif 1 .05
Spring Texas color.gif 17 .83
Strawberry Arkansas color.gif 1 .05
Sulphur Headwaters Texas color.gif 3 .15
Toledo Bend Reservoir Louisiana Texas color.gif 9 .44
Tularosa Valley New Mexico Texas color.gif 2 .10
Upper Angelina Texas color.gif 6 .29
Upper Beaver New Mexico Oklahoma Texas color.gif 3 .15
Upper Black Arkansas Missouri color.gif 2 .10
Upper Canadian New Mexico color.gif 3 .15
Upper Canadian-Ute Reservoir New Mexico Texas color.gif 3 .15
Upper Cimarron Colorado Kansas New Mexico Oklahoma color.gif 4 .19
Upper Cimarron-Bluff Kansas Oklahoma color.gif 1 .05
Upper Cimarron-Liberal Kansas Oklahoma color.gif 2 .10
Upper Frio Texas color.gif 1 .05
Upper Gila New Mexico color.gif 7 .34
Upper Little Oklahoma color.gif 6 .29
Upper Neches Texas color.gif 4 .19
Upper Ouachita Arkansas color.gif 9 .44
Upper Pecos New Mexico color.gif 1 .05
Upper Pecos-Black New Mexico Texas color.gif 5 .24
Upper Rio Grande Colorado New Mexico color.gif 21 1.02
Upper Saline Arkansas color.gif 3 .15
Upper Salt Fork Arkansas Kansas Oklahoma color.gif 4 .19
Upper San Antonio Texas color.gif 3 .15
Upper San Juan Colorado New Mexico color.gif 3 .15
Upper Trinity Texas color.gif 3 .15
Upper Washita Oklahoma color.gif 14 .68
Upper West Fork Trinity Texas color.gif 3 .15
Upper White-Village Arkansas color.gif 6 .29
Village Texas color.gif 6 .29
Washita Headwaters Oklahoma Texas color.gif 3 .15
West Cache Oklahoma color.gif 4 .19
West Fork San Jacinto Texas color.gif 1 .05
West Galveston Bay Texas color.gif 27 1.31
West Matagorda Bay Texas color.gif 2 .10
White Texas color.gif 1 .05
White Oak Bayou Texas color.gif 2 .10
Yegua Texas color.gif 2 .10
Zuni Arizona New Mexico color.gif 1 .05
Total Number of Impaired Waters Reported: 2,055

Causes of Impairment
NOTE: Click on the underlined "Cause of Impairment Reported" value to see a listing of those waters with that cause of impairment. Click on the underlined "General Impairment Name" to see the detailed state reported impairment names.
General Impairment Name Cause of Impairment Reported Percent of Reported
PATHOGENS color.gif 1111 29.02
SALINITY/TDS/SULFATES/CHLORIDES color.gif 700 18.29
ORGANIC ENRICHMENT/OXYGEN DEPLETION color.gif 557 14.55
METALS (OTHER THAN MERCURY) color.gif 297 7.76
TURBIDITY color.gif 291 7.60
MERCURY color.gif 166 4.34
PH color.gif 139 3.63
NUTRIENTS color.gif 128 3.34
CAUSE UNKNOWN - IMPAIRED BIOTA color.gif 75 1.96
SEDIMENT color.gif 73 1.91
TEMPERATURE color.gif 55 1.44
PCBS color.gif 52 1.36
OIL AND GREASE color.gif 34 .89
TASTE, COLOR AND ODOR color.gif 30 .78
DIOXINS color.gif 28 .73
RADIATION color.gif 25 .65
ALGAL GROWTH color.gif 24 .63
TOTAL TOXICITY color.gif 15 .39
PESTICIDES color.gif 11 .29
AMMONIA color.gif 11 .29
TOXIC INORGANICS color.gif 5 .13
CHLORINE color.gif 1 .03
Total Number of Causes of Impairment Reported: 3,828

Approved TMDLs by Pollutant
since October 1, 1995
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
FECAL COLIFORM color.gif 226 15.09
E. COLI color.gif 114 7.61
OXYGEN DEMAND color.gif 99 6.61
TOTAL SUSPENDED SOLIDS color.gif 95 6.34
ENTEROCOCCUS BACTERIA color.gif 82 5.47
TURBIDITY color.gif 80 5.34
MERCURY IN FISH TISSUE color.gif 65 4.34
TOTAL PHOSPHORUS color.gif 62 4.14
DISSOLVED OXYGEN color.gif 53 3.54
TEMPERATURE color.gif 50 3.34
NUTRIENTS OXYGEN DEMAND color.gif 41 2.74
TOTAL DISSOLVED SOLIDS color.gif 32 2.14
TOTAL NITROGEN color.gif 29 1.94
CARBOFURAN color.gif 26 1.74
NUTRIENTS color.gif 21 1.40
MERCURY color.gif 19 1.27
ALUMINUM color.gif 19 1.27
SILTATION/TURBIDITY color.gif 18 1.20
STREAM BOTTOM DEPOSITS color.gif 17 1.13
AMMONIA-NITROGEN color.gif 16 1.07
NICKEL color.gif 15 1.00
SILTATION color.gif 15 1.00
NITROGEN color.gif 14 .93
CHLORIDE color.gif 14 .93
ORGANIC ENRICHMENT/LOW DO color.gif 13 .87
PHOSPHORUS color.gif 12 .80
AMMONIA color.gif 12 .80
SULFATE color.gif 12 .80
SULFATES color.gif 12 .80
COPPER color.gif 12 .80
LEAD color.gif 11 .73
CHLORIDES color.gif 10 .67
CHLORDANE color.gif 10 .67
SEDIMENTATION/SILTATION color.gif 10 .67
NITRATE color.gif 9 .60
TOTAL SUSPENDED SOLIDS color.gif 9 .60
CBOD color.gif 9 .60
TOTAL DISSOLVED SOLIDS color.gif 9 .60
DDT color.gif 7 .47
ARSENIC color.gif 6 .40
FIPRONIL color.gif 6 .40
ZINC color.gif 6 .40
BIOCHEMICAL OXYGEN DEMAND color.gif 6 .40
PCBS color.gif 5 .33
CONDUCTIVITY color.gif 5 .33
SPECIFIC CONDUCTIVITY color.gif 5 .33
DIELDRIN color.gif 4 .27
NUTRIENTS (ALGAE) color.gif 4 .27
DDE color.gif 4 .27
BOD color.gif 4 .27
1,2-DICHLOROETHANE color.gif 3 .20
DIOXIN color.gif 3 .20
BORON color.gif 3 .20
NOXIOUS AQUATIC PLANTS color.gif 3 .20
TOXAPHENE color.gif 3 .20
HEPTACHLOR EPOXIDE color.gif 2 .13
HEXACHLOROBENZENE color.gif 2 .13
SEDIMENT color.gif 2 .13
SALINITY/TOTAL DISSOLVED SOLIDS color.gif 2 .13
1,1,2-TRICHLOROETHANE color.gif 2 .13
PAHS color.gif 2 .13
MERCURY (FISH TISSUE) color.gif 2 .13
4,4'-DDT color.gif 2 .13
SELENIUM color.gif 2 .13
NITRITE/NITRATE color.gif 2 .13
PH color.gif 2 .13
CONTAMINATED SEDIMENTS (MERCURY) color.gif 2 .13
TOTAL AMMONIA color.gif 1 .07
PCBS (FISH TISSUE) color.gif 1 .07
ZINC IN SHELLFISH color.gif 1 .07
TOTAL RESIDUAL CHLORINE color.gif 1 .07
BIOLOGICAL OXYGEN DEMAND color.gif 1 .07
PHENOL color.gif 1 .07
SEDIMENT/SILTATION color.gif 1 .07
DDD color.gif 1 .07
ATRAZINE color.gif 1 .07
ENDRIN color.gif 1 .07
CHLORINE color.gif 1 .07
4,4'-DDD color.gif 1 .07
METHYL PARATHION color.gif 1 .07
NITRATES color.gif 1 .07
HEPTACHLOR color.gif 1 .07
PCBS IN FISH TISSUE color.gif 1 .07
CONTAMINATED SEDIMENTS (PAHS) color.gif 1 .07
LINDANE color.gif 1 .07
ORGANIC ENRICHMENT/LOW DISSOLVED OXYGEN color.gif 1 .07
CHLORINE RESIDUAL color.gif 1 .07
TOTAL ORGANIC CARBON color.gif 1 .07
CONTAMINATED SEDIMENTS color.gif 1 .07
PRIORITY ORGANICS color.gif 1 .07
TETRACHLOROETHANE color.gif 1 .07
HEXACHLOROBUTADIENE color.gif 1 .07
Total TMDLs Reported to EPA for the Region since October 1, 1995: 1,498

Approved TMDLs by State
since October 1, 1995
NOTE: Click on the underlined "State Name" value to see a State Report. Click on the underlined "Number of TMDLs Approved" value to see a listing of those approved TMDLs for the state.
State Name Number of TMDLs Approved Percent of Reported
ARKANSAS color.gif 232 15.49
LOUISIANA color.gif 665 44.39
NEW MEXICO color.gif 224 14.95
OKLAHOMA color.gif 223 14.89
TEXAS color.gif 154 10.28
Total Regionwide Number of TMDLs Approved since October 1, 1995 reported to EPA: 1,498

Approved TMDLS by EPA Fiscal Year (October 1 through September 30) since October 1, 1995
Fiscal Year Number of TMDLs Approved Percent Approved
1998 color.gif 6 .40
1999 color.gif 19 1.27
2000 color.gif 73 4.87
2001 color.gif 170 11.35
2002 color.gif 231 15.42
2003 color.gif 99 6.61
2004 color.gif 70 4.67
2005 color.gif 66 4.41
2006 color.gif 114 7.61
2007 color.gif 294 19.63
2008 color.gif 170 11.35
2009 color.gif 186 12.42

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