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Watershed Index Online (WSIO)

National Library of Watershed Indicators and Tools

Download reference indicator factsheets for new HUC12 watershed indicators

Watershed Index Online has been renamed to the Restoration and Protection Screening (RPS) Indicator Database. This webpage is no longer maintained. Visit the EPA RPS website for up-to-date information and resources to support strategic planning of priority waters and watersheds.

About Watershed Index Online

Watershed Comparison Tools

Download and Use the WSIO Tool
State-Specific Recovery Potential Screening (RPS) Tools
Training Support: New Indicator Reference Sheets