AWWA JAW48103

In July 1997, water utilities serving 100,000 or more people and using surface water began an 18-month monitoring program for Cryptosporidium under the Information Collection Rule (ICR). This column reviews the following frequently asked questions concerning Cryptosporidium, the ICR, and available resources: "What is Cryptosporidium?"; "Where is it found?"; "How is ICR monitoring for Cryptosporidium conducted?; "How will ICR analytical results for Cryptosporidium be reported?"; "What do the ICR analytical results for Cryptosporidium mean?"; "How does Cryptosporidium affect human health?"; "Who is at risk?"; "How many oocysts in drinking water cause cryptosporidiosis?"; "Can cryptosporidiosis be treated?"; "How is the disease spread?"; "What steps can people take to protect against getting the disease?"; "Should people with weakened immune systems take extra measures?"; "Are home water treatment devices effective against Cryptosporidium?"; "Is bottled water a safe alternative to boiling water?"; "Is Cryptosporidium in drinking water regulated?"; "What can water systems do to keep Cryptosporidium out of tap water?"; "If Cryptosporidium is found in treated water, what actions should be taken?"; and, "What resources are available for preparing and implementing a communications plan?". Includes 16 references.