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. The green hue proves germy sewage has been leaking into the environment.