Wisconsin Rural Water Association
- Assisting rural communities with fresh and waste water issues for more than a decade.
- http://www.wrwa.org/

Wisconsin Ground Water Association
- Non-profit volunteer organization advancing understanding of Wisconsin's ground water in scientific, technical, legal, educational, and public policy aspects.
- http://www.wgwa.org/

Upper Sugar River Watershed Association
- A forum for the preservation and enhancement of watershed resources through an impartial partnership among the diverse community interests.
- http://www.usrwa.org/

Ground Water in the Great Lakes Basin - The Case of Southeastern Wisconsin
- Findings about the aquifers that supply much of the region's water supply, groundwater flow patterns, and implications for management.
- http://wi.water.usgs.gov/glpf/

Fox River Watch
- Provides information on the PCB pollution of the Fox River, Green Bay and Lake Michigan including research on PCBs, history, health effects, toxicity, sediment remediation, dredging, cleanup, and politics.
- http://www.foxriverwatch.com/

Clean Water Action Council of Northeastern Wisconsin, Inc.
- Non-profit educational organization working to protect and preserve clean water in northeast Wisconsin and the Great Lakes region. Provides research, events, newsletter, and activist forum.
- http://www.cwac.net/