It wasn't until there were reports of cryptosporidium that officials began thinking there was a problem with the plant. An interim report by a consultant has recommended additional precautions be taken when there are any irregularities in the testing process. The city issued a boil water advisory April 25, almost two weeks after concerns were first raised. The more urgent boil water order was issued on April 27. Making matters worse is the fact the city's sewage treatment plant is actually upstream from its water plant.
Treated effluent flows downstream into the drinking water intake.
The microscopic parasite, the size of a red blood cell, lives in the intestines of humans and animals and is found in animal and human waste. It can cause temporary gastrointestinal discomfort in those with healthy immune systems. But it is dangerous to people with reduced immune systems, such as those with AIDS or cancer. The three who died had weakened immune systems. Sports Health Copyright 2001 Canadian Press.