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Federal
Wadeable Streams Assessment Data recent views
U.S. Environmental Protection Agency —
The Wadeable Streams Assessment (WSA) is a first-ever statistically-valid survey of the biological condition of small streams throughout the U.S. EPA worked with the... -
Federal
Water Quality attainment Information from Clean Water Act Statewide Statistical Surveys recent views
U.S. Environmental Protection Agency —
Designated uses assessed by statewide statistical surveys and their state and national attainment categories. Statewide statistical surveys are water quality... -
Federal
National Lakes Assessment Data recent views
U.S. Environmental Protection Agency —
The National Lakes Assessment (NLA) is a statistical survey of the condition of our nation's lakes, ponds, and reservoirs. It is designed to provide information on... -
Federal
National Coastal Condition Assessment (NCCA) recent views
U.S. Environmental Protection Agency —
During the summer of 2010, state and EPA crews conducted field sampling for the fifth National Coastal Condition Assessment (NCCA). The assessment is in the data...