- External Data Framework
- Indiana Nonpoint Source Management Plan
- Indiana Watershed Planning Guide
- Nonpoint Source Annual Report
- Nonpoint Source Grants Compendium
- Secondary Data Portal
- Total Maximum Daily Load Reports
- Water Quality Standards
- Watershed Management Plans
- Watershed Restoration Action Strategies
- Blue-Green Algae
- Hoosier Riverwatch
- Indiana Beach Program
- Storm Water Permitting
- Water Quality
- Wetlands, Lakes, and Streams Regulation