Basin Planning Branch Maps
Statewide Interactive Maps and GIS Information
Statewide Static Maps (PDF format)
- Designated Interbasin Transfer River Basins (4/2014)
- Regional Office Map (6/2021)
- Use Restoration Watershed Status Map (3/2010)
- Regional Council of Governments (COG) & River Basins (9/2011)
- River Basin Map with 8-Digit HUCs & Counties (9/2012)
Regional and National Maps and Data
- EPA WATERS GeoViewer: Enter your location to display polluted and other monitored waters in your area, with links to more detailed information about those waters
- EPA Nutrient Pollution page: Find local case studies, data, tools and other helpful resources for reducing nutrient pollution
- USGS Daily Streamflow Conditions: Build custom graphs and tables of current nationwide water data
- USGS The National Map Viewer and resources page: Visualize, inspect and download USGS's most current topographical base map data and products for free
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