**Acknowledgements**

We gratefully acknowledge the tremendous effort and collaboration on the part of the USEPA Office of Water, the USEPA Office of Research and Development, and numerous State, Tribal, federal, and contractor organizations that provide field, laboratory, and data analysis support for the National Rivers and Streams Assessment. This research was performed while ATH held a National Research Council Senior Research Associateship award at the USEPA Office of Research and Development, Pacific Ecological Systems Division, Corvallis, Oregon.

We appreciate the constructive reviews of earlier drafts by L. Herger, R. Cook, and J. Markwiese. This chapter has been subjected to Agency review and has been approved for publication. The views expressed in this paper are those of the author(s) and do not necessarily reflect the views or policies of the U.S. Environmental Protection Agency. Any mention of trade names, products, or services does not imply an endorsement by the U.S. Government or the U.S. Environmental Protection Agency. The EPA does not endorse any commercial products, services, or enterprises.

**125**

USA

**Author details**

Steven G. Paulsen1

Corvallis, Oregon, USA

Corvallis, OR, USA

\*, David V. Peck1

\*Address all correspondence to: paulsen.steve@epa.gov

provided the original work is properly cited.

1 Office of Research and Development, US Environmental Protection Agency,

2 Department of Fisheries and Wildlife, Oregon State University, Corvallis, Oregon,

3 National Research Council Senior Fellow, Pacific Ecological Systems Division, Office of Research and Development, US Environmental Protection Agency,

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium,

, Philip R. Kaufmann1,2 and Alan T. Herlihy2,3

*Rivers and Streams: Upgrading Monitoring of the Nation's Freshwater Resources - Meeting…*

This work was authored by United States Government employees as part of their official duties. In view of Section 105 of the Copyright Act (17 U.S.C. §105) the work

*DOI: http://dx.doi.org/10.5772/intechopen.92823*

is not subject to U.S. copyright protection.

The authors declare no conflict of interest.

**Conflict of interest**

*Rivers and Streams: Upgrading Monitoring of the Nation's Freshwater Resources - Meeting… DOI: http://dx.doi.org/10.5772/intechopen.92823*

This work was authored by United States Government employees as part of their official duties. In view of Section 105 of the Copyright Act (17 U.S.C. §105) the work is not subject to U.S. copyright protection.
