USGS Data Series 423
National Water-Quality Assessment Program
This report describes the overall EUSE objectives, documents data-collection and processing methods used in the study, and provides summary data tables of watershed characteristics; physical and chemical characteristics, including hydrology, temperature, water chemistry, and habitat; and metrics and other measures of community condition for fish, macroinvertebrate, and algal assemblages. The data tables can be downloaded as Microsoft® Excel1 files.
1 The use of firm, trade, and brand names is for identification purposes only and does not constitute endorsement by the U.S. government.