Environmental Health and Protection Commons^™

National Water Quality Inventory: Report To Congress 2004 Reporting Cycle

United States Environmental Protection Agency: Staff Publications

Table of Contents

Section Page

List of Figures.............................................................................................................................iv List of Tables...............................................................................................................................iv List of Acronyms..........................................................................................................................v Executive Summary..........................................................................................................................1

I. Background...................................................................................................................5

About the Water Quality Assessment and TMDL Information Database (ATTAINS)..........................................................................................................................5

Assessing Water Quality................................................................................................................................7

II. Findings.......................................................................................................................13 Rivers and Streams...........................................................................................................................13 Lakes, Ponds, and Reservoirs.......................................................................................................................16

Bays and Estuaries.........................................................................................................................20 Other Waters..............................................................................................................................23 Coastal Resources.......................................................................................................................23

Great Lakes.....................................................................................................................24 Wetlands..........................................................................................................................24

III. Probability Surveys of Water Quality.......................................................................26

National Coastal Assessment....................................................................................26

The Wadeable Streams Assessment.......................................................................27

Survey of the Nation’s Lakes.......................................................................................29

National Rivers and Streams Assessment.............................................................30

National Wetland Condition Assessment...............................................................30

State-Scale Statistical Surveys..................................................................................31

South Carolina..............................................................................................................32 Indiana............................................................................................................................33 Florida.............................................................................................................................34 IV. Future Reporting......................................................................................................36

V. References………………………………………………………………………….37