Joe Bachman's 

Geology, Hydrology, and Environmental Links

OK, this so this first item isn't really "hydrology," but if you have a child who needs a science project, try checking out the Bizzare Stuff You Can Make in Your Kitchen.

Now to the professional stuff:
 

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• Come see what my employer, the U.S. Geological Survey, is up to in Maryland, Delaware, and the District of Columbia.
• For the big picture, here's the USGS Main Website
• This link will tale you to the USGS On-line streamflow data
• Here's my first Web-ified publication, an assessment of the significance of ground-water flow as a contributor to water inflow and nitrate loads to Chesapeake Bay.  (The result -- ground-water accounts for about half the fresh water -- and nitrate -- entering into Amrica's largest estuary)

Ground-water contamination is going mainstream with the new movie, "a Civil Action."  Here are a few web-pages --First, the "official" web page for the movie itself,  material for a course on the case being taught at Ohio State, and finally, a web page on the case sponsored by W. R. Grace, one of the defendantsm which gives their side of the story.