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National Section 303(d) List Fact Sheet
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Impaired Waters Listed by State
Total Number of Impaired Waters Reported: 40,752
Causes of Impairment
Total Causes of Impairment Reported Nationwide: 67,530
Approved TMDLs by General Pollutant since October 1, 1995
Total Nationwide Number of TMDLs Approved since October 1, 1995 reported to EPA: 33,399
Approved TMDLs by State since October 1, 1995
Total Nationwide Number of TMDLs Approved since October 1, 1995 reported to EPA: 33,399
Approved TMDLS by EPA Fiscal Year (October 1 through September 30) since October 1, 1995
Fiscal Year |
Number of TMDLs Approved |
Percent Approved |
1996 |
112 |
.34 |
1997 |
341 |
1.02 |
1998 |
400 |
1.20 |
1999 |
344 |
1.03 |
2000 |
1547 |
4.63 |
2001 |
2576 |
7.71 |
2002 |
2738 |
8.20 |
2003 |
3076 |
9.21 |
2004 |
3254 |
9.74 |
2005 |
4274 |
12.80 |
2006 |
4233 |
12.67 |
2007 |
4212 |
12.61 |
2008 |
6292 |
18.84 |
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