Brew Strong recently had a series of shows discussing all aspects of brewing water, including how to "build your own" from scratch.
The Brewing Network.com - Shows and Podcasts: Brew Strong
The Fiesty(sic) Goat Brewery est. 2007 & Clusterfuggle Experimental Ales est. 2009
Planned: sLambic II, Flanders Red II
Primary: Berliner Weisse w/ GB 110 & Brett Brux, Berliner Weisse w/ L. brevis, Dark Mild w/ 002, Dark Mild w/ 028, sLambic I
Secondary: Orange Blossom Mead, Flanders Red I
Kegged: Fat Man Porter w/ 1469, Fat Man Porter w/ 005, Centennial Falcon w/ Conan, Centennial Falcon w/ Denny's, Barrel-aged Fat Man Porter, Belgian Dark Strong
Bottled: Flanders Red I