I usaly have five or six gallons in the house... but this is just a few days
worth of "drinking" watter.  I used to be on a well driven ssistern and when
the well went dry (even under heavy conservation) we would go though five
hundred gallons a week... Hard to keep that much on hand..

On Wed, 26 Jan 2005, Siri Amrit Kaur wrote:

> On Wednesday 26 January 2005 07:18 am, Jeff Garland kindly wrote:
> >
> > Actually, I understood that the problem is that turbid water (full
> > of sediment) cuts the effectiveness of chlorine used to kill
> > bacteria in the water.  But in any case, you might find these pages
> > interesting reading: http://en.wikipedia.org/wiki/Turbidity
> > http://ga2.er.usgs.gov/bacteria/helpturbidity.cfm
> 
> A few months ago I did a lot of reading about water filtration systems 
> because I wanted to buy one for my house. The issue with turbidity is 
> this:
> Municipal water systems use ultra-violet light to kill certain viruses 
> and critters that are too small to get caught in filters, or immune 
> to chlorine- things like cysts that chlorine can't touch. The UV 
> damages the reproductive DNA of the virii. For the UV to be able to 
> treat the water, the water has to be relatively clear and still, not 
> chugging lots of dirt and bubbles.  If there's a lot of turbidity or 
> "cloudiness" in the water, the UV will miss microbes that are hiding 
> in the shadows of the dirt. 
> 
> Some home filtration systems have UV but it usually isn't necessary 
> for municipal water. It's a good idea for homes that use well water, 
> though. 
> 
> I wonder how many people will treat this incident as a wake-up call to 
> get purified bottled water and keep it on hand for emergencies. This 
> is a desert! I'm amazed at the normally intelligent people who have 
> 100% trust that they will always have water coming out of the tap and 
> don't have any stored for emergencies. I have some gorilla shelves 
> with many gallons of bottled water. Have always had several weeks 
> worth of stored water on hand. I recommend it for everybody- 
> especially people with children.
> 
> Siri Amrit
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