Wadeable Streams Assessment Data

Published by U.S. EPA Office of Water (OW) - Office of Wetlands Oceans and Watersheds (OWOW) | U.S. Environmental Protection Agency | Metadata Last Checked: July 12, 2025 | Last Modified: 2009-12-23

The Wadeable Streams Assessment (WSA) is a first-ever statistically-valid survey of the biological condition of small streams throughout the U.S. EPA worked with the states to conduct the assessment in 2000-2004. 1,392 sites were selected at random to represent the condition of all streams in regions that share similar ecological characteristics. Participants used the same standardized methods at all sites, to ensure results that are comparable across the nation.

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Complete Metadata

bureauCode	[ "020:00" ]
dataQuality	false
identifier	{05E98574-1292-4377-AC6F-AE64C35A9889}
issued	2014-01-01
programCode	[ "020:072" ]
references	[ "https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B05E98574-1292-4377-AC6F-AE64C35A9889%7D", "https://edg.epa.gov/metadata/rest/document?id=%7B05E98574-1292-4377-AC6F-AE64C35A9889%7D" ]
spatial	-180.0,18.0,-66.0,72.0

Location