NARS

The History of NARS

The National Aquatic Resource Surveys (NARS) program is an EPA and State/Tribal effort to survey the condition of the nation’s waters.
 
Initiated in 2005, these statistically-based surveys have begun to provide EPA, States, Tribes and others partners with information to provide nationally consistent reports on the condition of the nation’s waters, to identify national and regional water quality priorities and to evaluate the effectiveness of the nation’s investment in water quality protection and restoration. These assessments report on core indicators of aquatic life and public health using standardized field and laboratory methods and a national quality control program.
 
The NARS reports provide unbiased estimates of the condition of the broader population of a water resource type based on a representative sample of individual waters selected using a randomized approach. The first cycle of the surveys will establish a baseline and subsequent surveys will allow the Agency to track changes over time and assess the effectiveness of Agency water quality programs.
 

Past Workshops

National Workshop - April 30-May 4, 2012, Portland, OR
Coastal Workshop - September 27-29, 2011, Costa Mesa, CA

Links

 
This Web site provides information on monitoring of aquatic resources in the US, primarily focused on design and analysis of probability based surveys. Links are provided to other aquatic resources monitoring information available on the internet.
 
The Environmental Monitoring and Assessment Program (EMAP) was a research program run by EPA’s Office of Research and Development to develop the tools necessary to monitor and assess the status and trends of national ecological resources.

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