Environmental Impact of September 11
Info on Water Use
Are water supplies safe from attack?
Most experts have emphasized that PWS’s are at low risk for bioterrorism.
Director Whitman of the EPA says her family is still drinking tapwater (
Dilution is a significant factor-less than one percent of water from public supplies is used for drinking (see dwbackground.htm).
Dr DA Henderson of the Johns Hopkins Center for Civilian Biodefense Studies (
) stated that a "carload" of anthrax would be required to contaminate a water system.
Water systems are continually monitored
Water supplies typically filter and chlorinate the water.
According to the AMA, "Standard levels of chlorine in municipal water sources should protect against waterborne infection" by
) and other biological threats.
Work is underway on a "sniffer" that would provide continuous information on solvents and similar toxins in drinking water systems (
The EPA has an FAQ on post-9/11 water safety at
Does water face
SANDIA RESEARCHER JEFFREY DANNEELS is developing a program to train water utilities to assess the vulnerabilities of their systems and develop measures to reduce the risks and mitigate the consequences of terrorist or other criminal attacks.