News Tech

Cracked sewers bleed fecal germs

Studies follow leaks into waterways and drinking supplies

By Janet Raloff

- More than 2 years ago

New studies in California and Wisconsin reveal a dirty little secret: Out of sight, many urban sewer pipes are failing and germ-ridden filth is bleeding out.

GREEN: THE NEW BROWN The dye in water exiting this Wisconsin storm drain was originally added to an upstream sewer pipe.