Technical Bulletin No. 0913: A Review of Integrated Watershed Assessment Tools, Nonpoint Source Models (HSPF and SWAT), and Data in EPA’s BASINS 3.0 and 3.1

Component models packaged in the latest versions of EPA’s Better Assessment Science Integrating Point and Nonpoint Sources (BASINS 3.0 and 3.1) are explored from the perspective of their use in TMDL assessments and overall functionality.