Bucket Buddies Project http://www.k12science.org/curriculum/bucketproj/
Spring 2009 Project http://teacherweb.com/AZ/BlueRidge/MrsMillers4thGradeClass/hf0.stm
Best source for local information. http://www.epa.gov/surf/
A good sourse of real time water flow information. http://water.usgs.gov/waterwatch/
Best source for getting answers. http://www.askanexpert.com/
A big list of ask-an-expert sites. http://www.k12science.org/askanexpert.html
Good information on water quality(including area water sources). http://ga.water.usgs.gov/edu/index.html