Wisconsin Runoff Information: http://runoffinfo.uwex.edu
Wisconsin DNR Runoff Information: http://dnr.wi.gov/runoff  
EPA Best Management Practices: http://cfpub.epa.gov/npdes/stormwater/menuofbmps/index.cfm  
Water Action Volunteers: http://watermonitoring.uwex.edu/wav/index.html  
Water Environmental Federation: http://www.wef.org/publicinformation/default.aspx

Additional information websites:

http://ga.water.usgs.gov/edu/runoff.html  
http://water.epa.gov/type/watersheds/whatis.cfm  
http://dnr.wi.gov/runoff/stormwater.htm  
http://dnr.wi.gov/runoff/about.htm  
http://dnr.wi.gov/runoff/outreach.htm  
http://ga.water.usgs.gov/edu/watercyclerunoff.html  
http://ga.water.usgs.gov/edu/mwater.html   
http://www.uwex.edu/  
http://www4.uwsp.edu/cnr/watersheds/  
http://www.dnr.state.wi.us/org/caer/ce/greenSchools/resourcesWater.htm  
http://wateruseitwisely.com/  
http://dnr.wi.gov/org/water/dwg/greatlakes/conservation.htm

Information websites for kids:
http://www.epa.gov/owow/NPS/kids/
http://www.epa.gov/kids/
http://www.cleanwaterclearchoice.org/kids
http://www.woodlands-junior.kent.sch.uk/Homework/swater.html  
http://www.kingcounty.gov/environment/waterandland/groundwater/education/animation.aspx