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Total Maximum Daily Loads
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National Section 303(d) List Fact Sheet

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Impaired Waters Listed by State

NOTE: Click on the underlined "State Name" value to see a State Report.
State Name Effective
Listing
Cycle
Waters on List
ALABAMA 2002 color.gif 183
ALASKA 2002 color.gif 48
AMERICAN SAMOA 1998 color.gif 1
ARIZONA 2002 color.gif 55
ARKANSAS 2002 color.gif 103
CALIFORNIA 2002 color.gif 687
COLORADO 1998 color.gif 79
CONNECTICUT 2002 color.gif 250
DELAWARE 2002 color.gif 381
DISTRICT OF COLUMBIA 2002 color.gif 36
FLORIDA 2002 color.gif 827
GEORGIA 2002 color.gif 445
GUAM 1998 color.gif 3
HAWAII 1998 color.gif 18
IDAHO 1998 color.gif 838
ILLINOIS 2002 color.gif 803
INDIANA 2002 color.gif 1125
IOWA 2002 color.gif 184
KANSAS 2002 color.gif 1367
KENTUCKY 1998 color.gif 231
LOUISIANA 1998 color.gif 351
MAINE 2002 color.gif 165
MARYLAND 2002 color.gif 408
MASSACHUSETTS 2002 color.gif 775
MICHIGAN 2002 color.gif 351
MINNESOTA 2002 color.gif 1402
MISSISSIPPI 1998 color.gif 734
MISSOURI 2002 color.gif 197
MONTANA 2002 color.gif 527
N. MARIANA ISLANDS 1998 color.gif 2
NEBRASKA 2002 color.gif 128
NEVADA 1998 color.gif 37
NEW HAMPSHIRE 1998 color.gif 226
NEW JERSEY 2002 color.gif 953
NEW MEXICO 2002 color.gif 206
NEW YORK 2002 color.gif 718
NORTH CAROLINA 2002 color.gif 629
NORTH DAKOTA 2002 color.gif 257
OHIO 2002 color.gif 249
OKLAHOMA 2002 color.gif 436
OREGON 2002 color.gif 1551
PENNSYLVANIA 2002 color.gif 4298
PUERTO RICO 2002 color.gif 83
RHODE ISLAND 2002 color.gif 155
SOUTH CAROLINA 2002 color.gif 710
SOUTH DAKOTA 2002 color.gif 176
TENNESSEE 2002 color.gif 863
TEXAS 2000 color.gif 240
UTAH 2002 color.gif 197
VERMONT 2002 color.gif 182
VIRGIN ISLANDS 2002 color.gif 19
VIRGINIA 2002 color.gif 1084
WASHINGTON 1998 color.gif 1327
WEST VIRGINIA 2002 color.gif 1152
WISCONSIN 2002 color.gif 604
WYOMING 2002 color.gif 128
Total Number of Impaired Waters Reported: 29,184

Top 100 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
PATHOGENS color.gif 7689 14.31
METALS color.gif 6535 12.16
NUTRIENTS color.gif 5418 10.08
SEDIMENT/SILTATION color.gif 5046 9.39
ORGANIC ENRICHMENT/LOW DO color.gif 4395 8.18
FISH CONSUMPTION ADVIS. color.gif 3198 5.95
PH color.gif 2681 4.99
OTHER HABITAT ALTERATIONS color.gif 2390 4.45
THERMAL MODIFICATIONS color.gif 2176 4.05
BIOLOGICAL CRITERIA color.gif 2119 3.94
FLOW ALTERATION color.gif 1469 2.73
PESTICIDES color.gif 1431 2.66
TURBIDITY color.gif 966 1.80
SALINITY/TDS/CHLORIDES color.gif 962 1.79
SUSPENDED SOLIDS color.gif 941 1.75
CAUSE UNKNOWN color.gif 896 1.67
UNIONIZED AMMONIA color.gif 785 1.46
PCBS color.gif 779 1.45
PRIORITY ORGANICS color.gif 677 1.26
SULFATES color.gif 621 1.16
ALGAL GRWTH/CHLOROPHYLL A color.gif 380 .71
NOXIOUS AQUATIC PLANTS color.gif 352 .65
OIL AND GREASE color.gif 285 .53
UNKNOWN TOXICITY color.gif 281 .52
OTHER CAUSE color.gif 235 .44
GENERAL WQS (BENTHIC) color.gif 197 .37
OTHER INORGANICS color.gif 145 .27
DIOXINS color.gif 118 .22
CHLORINE color.gif 98 .18
NONPRIORITY ORGANICS color.gif 96 .18
TASTE AND ODOR color.gif 85 .16
STREAM BOTTOM DEPOSITS color.gif 75 .14
TOTAL TOXICS color.gif 48 .09
BIODIVERSITY IMPACTS color.gif 47 .09
CYANIDE color.gif 47 .09
EXOTIC SPECIES color.gif 42 .08
RADIATION color.gif 22 .04
FISH KILL(S) color.gif 12 .02
HYDROGEN SULFIDE color.gif 4 .01
RDX - HEXAHYDRO-1,3,5-TRINITRO-1,3,5-TRIAZINE color.gif 1 .00
1,2-DIPHENYLHDRAZINE color.gif 1 .00
Total Impairments Reported Nationwide: 53,745

Approved TMDLs by General Pollutant (Top 100)
since January 1, 1996


NOTE: Click on the underlined "Number of TMDLs Approved" value to see a listing of those approved TMDLs for the pollutant. Click on the "General Pollutant Name" value to see a detailed list of pollutants and TMDLs.
General Pollutant Number of TMDLs Approved Percent of Reported
METALS color.gif 2628 19.75
PATHOGENS color.gif 2613 19.64
NUTRIENTS color.gif 1695 12.74
SEDIMENT/SILTATION color.gif 1314 9.88
ORGANIC ENRICHMENT/LOW DO color.gif 1110 8.34
UNIONIZED AMMONIA color.gif 581 4.37
THERMAL MODIFICATIONS color.gif 552 4.15
PH color.gif 511 3.84
SULFATES color.gif 443 3.33
PESTICIDES color.gif 400 3.01
CHLORINE color.gif 250 1.88
SALINITY/TDS/CHLORIDES color.gif 196 1.47
SUSPENDED SOLIDS color.gif 160 1.20
FLOW ALTERATION color.gif 126 .95
TURBIDITY color.gif 106 .80
BIOLOGICAL CRITERIA color.gif 80 .60
PCBS color.gif 76 .57
PRIORITY ORGANICS color.gif 65 .49
OTHER CAUSE color.gif 60 .45
ALGAL GRWTH/CHLOROPHYLL A color.gif 59 .44
OTHER HABITAT ALTERATIONS color.gif 48 .36
UNKNOWN TOXICITY color.gif 37 .28
NBOD color.gif 25 .19
OTHER INORGANICS color.gif 25 .19
STREAM BOTTOM DEPOSITS color.gif 23 .17
CYANIDE color.gif 21 .16
CAUSE UNKNOWN color.gif 20 .15
DIOXINS color.gif 16 .12
NONPRIORITY ORGANICS color.gif 14 .11
RADIATION color.gif 12 .09
NOXIOUS AQUATIC PLANTS color.gif 9 .07
GENERAL WQS (BENTHIC) color.gif 9 .07
OIL AND GREASE color.gif 8 .06
TOTAL TOXICS color.gif 7 .05
PLACEHOLDER TO PROVIDE LINKAGE FOR UNLISTED IMPAIRMENTS AND/OR UNLISTED WATERS color.gif 3 .02
MTBE color.gif 2 .02
FISH CONSUMPTION ADVIS. color.gif 1 .01
TASTE AND ODOR color.gif 1 .01
Total Nationwide Number of TMDLs Approved since January 1, 1996 reported to EPA: 13,306

Approved TMDLs by State
since January 1, 1996

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
ALABAMA color.gif 184 1.38
ALASKA color.gif 24 .18
ARIZONA color.gif 61 .46
ARKANSAS color.gif 66 .50
CALIFORNIA color.gif 239 1.80
COLORADO color.gif 561 4.22
CONNECTICUT color.gif 30 .23
DELAWARE color.gif 96 .72
DISTRICT OF COLUMBIA color.gif 223 1.68
FLORIDA color.gif 166 1.25
GEORGIA color.gif 1105 8.30
HAWAII color.gif 8 .06
IDAHO color.gif 802 6.03
ILLINOIS color.gif 126 .95
INDIANA color.gif 40 .30
IOWA color.gif 35 .26
KANSAS color.gif 1734 13.03
KENTUCKY color.gif 45 .34
LOUISIANA color.gif 416 3.13
MAINE color.gif 51 .38
MARYLAND color.gif 120 .90
MASSACHUSETTS color.gif 174 1.31
MICHIGAN color.gif 47 .35
MINNESOTA color.gif 25 .19
MISSISSIPPI color.gif 392 2.95
MISSOURI color.gif 64 .48
MONTANA color.gif 310 2.33
NEBRASKA color.gif 28 .21
NEVADA color.gif 1 .01
NEW HAMPSHIRE color.gif 26 .20
NEW JERSEY color.gif 270 2.03
NEW MEXICO color.gif 128 .96
NEW YORK color.gif 72 .54
NORTH CAROLINA color.gif 98 .74
NORTH DAKOTA color.gif 25 .19
OHIO color.gif 465 3.49
OKLAHOMA color.gif 32 .24
OREGON color.gif 451 3.39
PENNSYLVANIA color.gif 1197 9.00
PUERTO RICO color.gif 18 .14
RHODE ISLAND color.gif 18 .14
SOUTH CAROLINA color.gif 201 1.51
SOUTH DAKOTA color.gif 219 1.65
TENNESSEE color.gif 179 1.35
TEXAS color.gif 62 .47
UTAH color.gif 169 1.27
VERMONT color.gif 50 .38
VIRGIN ISLANDS color.gif 3 .02
VIRGINIA color.gif 333 2.50
WASHINGTON color.gif 510 3.83
WEST VIRGINIA color.gif 1274 9.57
WISCONSIN color.gif 65 .49
WYOMING color.gif 268 2.01
Total Nationwide Number of TMDLs Approved since January 1, 1996 reported to EPA: 13,306

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 140 1.05
1997 color.gif 493 3.71
1998 color.gif 314 2.36
1999 color.gif 448 3.37
2000 color.gif 1520 11.42
2001 color.gif 2172 16.32
2002 color.gif 2926 21.99
2003 color.gif 2685 20.18
2004 color.gif 2560 19.24
2005 color.gif 48 .36


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