Skip to main content
U.S. flag

An official website of the United States government

National Rivers and Streams Assessment (NRSA) and StreamCat

Published by U.S. EPA Office of Research and Development (ORD) | U.S. Environmental Protection Agency | Catalog Last Checked: April 21, 2026 at 08:05 PM | Dataset Last Updated: February 13, 2023
NRSA siteinfo, water chemistry, and physical habitat datasets from 2008-9, 2013-14, and 2018-19, StreamCat for wetland variables for each site. This dataset is associated with the following publication: Flotemersch, J., K. Blocksom, A. Herlihy, P. Kaufmann, R. Mitchell, and D. Peck. Distribution and Characteristics of Blackwater Rivers and Streams of the Contiguous United States. WATER RESOURCES RESEARCH. American Geophysical Union, Washington, DC, USA, 60(2): e2023WR035529, (2024).

Resources

2 resources available

  • https://www.epa.gov/national-aquatic-resource-surveys/data-national-aquatic-resource-surveys

    FILE
  • https://www.epa.gov/national-aquatic-resource-surveys/streamcat-dataset#access-streamcat-data

    FILE

Find Related Datasets

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov