Re: Home water disinfection with bleach.

My experience (as a backpacker rather than as a chemist) is that using 
household bleach makes the water undrinkable.  Outdoor sports stores sell 
iodine tablets (under the name Globalene) that we have used for years to 
ensure the safety of drinking water.  The number of tablets needed depends 
on the tablet size, but the normal amount is one tablet to about 2 quarts 
of water -- it's labelled on the Globalene container.  Boiling the water is 
an alternative, but then it tastes really flat.

We used bleach (actually swimming pool disinfectant) to rinse dishes in on 
group backpacking trips, but then we rinsed the bleach off with boiled 
water.

The amount of Globalene or boiling is usually overkill, because of the 
variety of organisms (and of organism resistance to oxidation or high 
temperature).