DO NOT DRINK Notice in LA Wildfires Pose Dual Threat High Winds and Water Contamination Risks
As LA wildfires rage on, high winds are expected to worsen conditions, amplifying the destruction and raising new concerns about drinking water safety. Last week, Pasadena Water and Power issued its first-ever "Do Not Drink" notice to a third of its customers, citing the risk of toxic chemicals infiltrating the water supply after infrastructure damage. Although the advisory has since been lifted for most areas, the incident highlights the hidden dangers urban fires pose to water systems.
Unlike wildfires in forests, urban fires wreak havoc on critical infrastructure. Andrew Whelton, a Purdue University professor, explains that ash, soot, and debris can enter water systems when pressure drops during a fire. Compounds released from burning synthetic materials are especially harmful, even ...