Do not use these data for analysis

BioData - Aquatic Bioassessment Data for the Nation

BioData Retrieval
Public Data Retrieval Welcome to the U.S. Geological Survey (USGS) BioData Retrieval system which provides access to aquatic bioassessment data (biological community and physical habitat data) collected by USGS scientists from stream ecosystems across the nation. more...

BioData Retrieval System Features
Two crewmembers sampling invertebrates with a Slack sampler. Cutthroat trout, Idaho Water Science Center Cymbella mexicana Fish sampling, Illinois Water Science Center Timpanoga sp. USGS National Water Quality Lab