Ahead of Wednesday's rain, MMSD asks residents to cut water use to avoid sewer overflow
Widespread rain and isolated thunderstorms are expected to start around midnight and last through mid-morning Wednesday.
The Washington Post1y
See what it’s like to dig a tunnel 100 feet below a city
Deep underground, a construction crew is hard at work. They are digging a two-mile-long tunnel to help keep millions ... the United States have similar sewer systems with just one set of pipes ...