National Aquatic Resource Surveys

Just Released: Draft National Rivers and Streams Assessment 2008-2009 Report

U.S. Environmental Protection Agency, states, and tribes are conducting a series of surveys of the nation's aquatic resources. Often referred to as probability-based surveys, these studies provide nationally consistent and scientifically-defensible assessments of our nation's waters and can be used to track changes in condition over time. Each survey uses standardized field and lab methods and is designed to yield unbiased estimates of the condition of the whole water resource being studied (i.e., rivers and streams, lakes, wetlands, or coastal waters).

Links:

National Fish Tissue Survey
EPA's Environmental Monitoring and Assessment Program (EMAP)
EMAP Aquatic Resource Monitoring
Design and Analysis of Probability-Based Surveys
Overview of Probabilistic Surveys
Water Pollution Control Program Grants (Section 106)
Ecoregion Maps

 Schedule: