Posted by John Nichols on March 06, 2006 at 23:19:14 from 165.91.48.32 user Mcneacail.
In Reply to: Re: clearing of rivers-olden times (was: Re: CC w/o a map posted by Laurence Monkhouse on March 06, 2006 at 08:26:44:
Sydney Water had cause to build a water treatment plant at Prospect a few years ago. If my memory serves me correctly the plant become infected with cryto-speridium and half of Sydney ended up boiling their water.
Lots of people drink rainwater from roof drainage which has all sort of nasties in it - humans can cope with some contamination levels.
JMN