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Water
| National Watershed Indicators Report
Watershed Indicators: Entire United States
Summary of EPA Watershed Indicators
EPA Water Quality Indicators
EPA Watershed Vulnerability Indicators
Links
Summary of EPA Watershed Indicators
Entire United States
contains
a portion of 2262 watersheds:
Overall EPA watershed evaluation
Number of watersheds
Better Water Quality - Low Vulnerability
305
Better Water Quality - High Vulnerability
33
Less Serious Water Quality Problems - Low Vulnerability
758
Less Serious Water Quality Problems - High Vulnerability
60
More Serious Water Quality Problems - Low Vulnerability
482
More Serious Water Quality Problems - High Vulnerability
32
Insufficient Data
592
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EPA Water Quality Indicators
Current water quality conditions
Number of watersheds:
EPA Indicator
More
Serious
Less
Serious
Better
Insufficient
Data
Assessed Use Attainment
1208
664
660
543
Fish and Wildlife Consumption Advisories
914
363
111
1687
Source of Drinking Water
349
496
928
1302
Contaminated Sediments
59
101
1801
1114
Ambient Water Quality: Four Toxic Pollutants
11
290
843
1931
Ambient Water Quality:Four Conventional Pollutants
417
843
715
1100
Wetlands Loss Index
672
2227
32
144
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EPA Watershed Vulnerability Indicators
Future vulnerability
Number of watersheds:
EPA Indicator
High
Moderate
Low
Insufficient Data
Aquatic/Wetland Species at Risk
422
745
430
664
Pollutant Loads Discharged Above Permitted Limits: Toxics
38
54
1121
1048
Pollutant Loads Discharged Above Permitted Limits: Conventional
11
6
1354
890
Urban Runoff Potential
115
218
1645
283
Agricultural Runoff Potential
529
1055
526
151
Population Change
657
322
1223
59
Hydrologic Modification
481
960
491
329
Estuarine Pollution Susceptibility
60
81
8
2112
Atmospheric Deposition
161
777
1163
160
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Email EPA and US Department of Agriculture
Join
an online discussion about pollution in your community
Email
a Scorecard Community Report to a friend
Network
with environmental groups
Learn
how to use Scorecard to find out about toxics in your community
Contribute
to Environmental Defense
Volunteer
with environmental groups in your community
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Links
Scorecard's report on
Clean Water Act status
Toxic chemical releases from industrial facilities (TRI)
Criteria air pollutants
Hazardous air pollutants
Land contamination
The United States Environmental Protection Agency's Office of Water
Water resources for the United States from the U.S. Geological Survey
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