Cryptosporidium

Unlike many other waterborne pathogenic microorganisms, at least in its oocyst (encapsulated) form Cryptosporidium is extremely resistant to chlorine, surviving concentrations hundreds of times above the levels used to treat drinking water.

Question ;Microdyne 2004

Cryptosporidium is a protozoal parasite transmitted by fecal contamination.

Question ;Microdyne 2004

This unit is free from chemicals, making it the most eco-friendly way of eliminating parasites such as Cryptosporidium, which is currently affecting around 260,000 Northamptonshire residents.

Archive 2008-06-01 Thatsnews 2008

This unit is free from chemicals, making it the most eco-friendly way of eliminating parasites such as Cryptosporidium, which is currently affecting around 260,000 Northamptonshire residents.

Norfolk-based family firm could fix Northamptonshire contaminated water problem Thatsnews 2008

Rising infections from a chlorine-resistant parasite called Cryptosporidium are forcing pools and water parks across the country to take new measures -- from ultraviolet-light water treatments to tighter swimming restrictions -- to keep their water clean.

Battling the Parasite in Your Local Pool 2008

But returns on that investment will remain limited, slowed and disappointing so long as we allow the public health risk from germs such as Cryptosporidium, rotavirus and norovirus to linger in the river.

Henry Henderson: Cleaning the Chicago River: Time for MWRD to Get on Board 2010

These are water additives to control microbiological organisms such as Cryptosporidium, Giardia lamblia, Legionella, Coliforms and other various viruses which originate from human and animal fecal waste.

Drinking Water Quality & The Contamination of Public Drinking Supplies 2007

The second serious concern is that protozoa such as Cryptosporidium and Giardia are resistant to chlorination.

How Safe is Your Water? 2000

I proposed and, in 1996, signed amendments to significantly strengthen the Safe Drinking Water Act. In implementing this new law, my Administration has already provided added protections for consumers from dangerous, disease-causing microbes such as Cryptosporidium, preventing as many as 460,000 cases of illness a year.

Statement By The President On Clean Drinking Water ITY National Archives 2001

I proposed and, in 1996, signed amendments to significantly strengthen the Safe Drinking Water Act. In implementing this new law, my Administration has already provided added protections for consumers from dangerous, disease-causing microbes such as Cryptosporidium, preventing as many as 460,000 cases of illness a year.

Statement By The President On Safe Clean Drinking Water ITY National Archives 2001