Add Yahoo as a preferred source to see more of our stories on Google. The Colorado River currently supports 40 million people and $1.4 trillion in annual economic activity in seven U.S. states and ...

Contamination levels in the waterway have declined, but health advisories remain in place for boaters downstream.

The Potomac Riverkeeper Network says sewage carrying dangerous levels of E. coli is leaking from the C&O Canal bypass system.

D.C. mayor’s declared disaster site gets additional federal help, while utility DC Water predicts repairs to finish in mid-March—but longer-term costs and impact concerns remain.

A mess of furniture and cinderblocks remains exposed to the open air right alongside the the Quinnipiac River a week after a back wall collapsed at a Front Street warehouse that may soon be built up ...

Raw sewage pouring into the Potomac River in Maryland has left parts of the waterway contaminated with E. coli bacteria at levels nearly 12,000 times higher than what is considered safe for human ...

The Colorado River currently supports 40 million people and $1.4 trillion in annual economic activity in seven U.S. states and Mexico — but it was never intended to be stretched so thin. A century-old ...