LA's flood-control system holding up in storms

Los Angeles County Flood Control workers inspect mudflow at a hillside home on Earnslow Drive after a night of rainfall in La Canada Flintridge, Calif. on Friday, Jan. 22, 2010. Winter storms have caused problems along hillside communities affected by last year's Station forest fire. (AP Photo/Jason Redmond)

January 22, 2010 7:39:52 PM PST
Despite a week of heavy rain on mountains stripped dangerously bare by wildfires, thousands of homes have so far been spared from deluges of mud and rocks by a network of sprawling basins that act as huge bathtubs to safely catch debris.