[Dioxin-l] Re: Poor efficacy of residual chlorine in drinking water distribution systems

[Alan Muller]

At 11:04 AM 1/8/00 -0600, pat.costner@dialb.greenpeace.org wrote:

>Yes, residual chlorine in drinking water distribution systems has 
>long been regarded as necessary as a safeguard against  
>pathogens that may enter the system via infiltration.  However, from 
>the earliest days,  this strategy has been questioned.  [...]


Very interesting post.  Not all water systems add chlorine.  For example Dover, Delaware's capital city, doesn't disinfect it's water supply.  Wilmington, which does aim for a Cl residual, nevertheless finds bugs at the extremities of the system.  Hmmm

am


Alan Muller, Executive Director
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