Running the numbers on a proposal to separate the Great Lakes and the Mississippi River.
Why the city is putting toilet-humor ads on public buses, like "Your #2 is my #1" and "No one deals with more crap than I do."
Stanford scientists say they've figured out how, and now the challenge will be to make it cheap enough to do on a large scale.
An "ancient evil" has awoken in the Bay Area and is making life hell for sewage workers, according to a new novel by a real-life sewage professional.
A new report by the EPA found that the majority of rivers and streams can't support healthy aquatic life.
A multi-city study of wastewater shows how drug use varies.