September 1, 2011
UMRBA Clean Water Act Biological Assessment Implementation Guidance Documents
This September 2011 document is intended for use by the states as they consider integrating biological information and assessment approaches into their Upper Mississippi River Clean Water Act programs. It is focused on the River's main channel and examines the efficacy of existing tools in supporting biologically-based assessment of aquatic life use attainment.
Full Report (September 2011)2.18 MB
Summary Flier (September 19, 2011)241.58 KB
