Phosphorus pollution can linger for decades in soils and streams, shaping water quality long after sources are reduced.

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 ...

BARDWELL, Ky. — Red, yellow and purple flowers reach up past Joel Reddick’s knees and stretch across his family’s farm in Carlisle County, teeming with bees, birds and other life. He walks through the ...

Biochar made from corn cobs can remove microplastics and ammonia from water, offering a low-cost, reusable filter made from ...

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 ...

Algae blooms in bodies of water, like this duck week on a pond, can be caused by fertilizer runoff. Courtesy Johnson County Extension After conducting a soil test, home gardeners are often raring to ...

The state’s annual runoff levels from urban areas could fill nearly 6 million football fields with foot-deep water, nearly twice the amount of Florida, its next-wettest rival. The potential annual ...

KUTV — When rain falls or snow melts, the water that doesn’t soak into the ground becomes stormwater runoff. This water travels over surfaces like streets, parking lots, and rooftops—collecting ...

The Biden administration awarded $206 million in grants Wednesday to improve water quality and reduce pollution flowing into the Chesapeake Bay. Funded in part by the infrastructure law, EPA officials ...