As rain falls, lurking within stormwater runoff are hidden microplastics, polluting the water sources they drain into. Even though microplastics originate in urban environments such as cities, ...

California cities are paying high costs to clean up water pollution running off parking lots. Environmental groups say the state needs to hold businesses accountable.

America has more than three million miles of rivers and streams. That's an almost incomprehensible expanse of flowing water, ...

The Raccoon River weaves past downtown Des Moines. One of the primary drinking water sources for the region, the river has high nitrate levels that have led to water restrictions for some 600,000 ...

LAKE TAHOE, Calif./Nev. – A bi-state effort to reduce pollution and restore Lake Tahoe’s water clarity prevented a record amount of fine-grained sediment and other pollutants from reaching the lake’s ...

For nearly a month, hundreds of thousands of Iowans have not been allowed to water their lawns—even though there's no drought. Local authorities previously asked the public to refrain from washing ...

It’s a leading agricultural state that also has lots of rivers and streams. Runoff from fertilizer and manure on farms ...

Add Yahoo as a preferred source to see more of our stories on Google. Large commercial parking lots and rail yards can pollute nearby waterways. Drone image near San Jose Creek in the City of Industry ...