From eastern WA also and never boiled or filtered. Never really thought about killing the bacteria first.
And I would never use bottled water. Its quite frankly bs. Its city water, ran through a filter(if any), bottled, labeled, and price cranked up.
Planned: Ommegang Abbey Ale clone, Oak Bourbon Stout, Smithwick's clone, Cream Ale
On Deck: Empty
Keg 1: Bridgeport IPA Clone(Kegged on 09/27/09, 5.5%)
Keg 2: St. Feuillien Abbey Ale(Kegged 07/20/09, 7.8%)
Bottled: Espresso Stout(Bottled on: 10/25/08), Boddington's Bitter(Bottled on: 10/10/09, 3.5%), Graff(Bottled on: 10/21/09, 8.0%)