Choose Your Analysis Method

Select how you'd like to analyze watershed data

Upload Shapefiles

Upload your own watershed shapefiles and perform custom analysis. Perfect for researchers and professionals working with their own datasets.

  • Custom file upload
  • Full analysis workflow
  • Export all formats
  • Interactive mapping

Choose Preset Shapefiles

Select from pre-analyzed watershed datasets. Jump straight to results and explore the tool's capabilities with sample data.

  • Pre-analyzed datasets
  • Instant results
  • Learn tool features
  • No file preparation needed

USGS API Data

Access watershed data directly from USGS National Map services. Choose HUC size and region, then analyze without managing files.

  • Direct USGS data access
  • HUC10 & HUC12 support
  • Regional selection
  • No file management
Not sure which option to choose?

New users: Start with preset shapefiles to learn the tool. Experienced users: Upload your own data for custom analysis.