Animal waste and nitrogen-based agricultural fertilizers contribute to nitrate runoff, which ends up in creeks, streams, rain and, eventually, water systems. Nitrate, that mix of nitrogen and oxygen, ...

BOARDMAN — From her bed, Jane Kurtz of Boardman expressed gratitude for a new filtration system that went into her home. “I want to thank you from the bottom of my heart,” Kurtz said to plumber Tory ...

Add Yahoo as a preferred source to see more of our stories on Google. As Central Iowa Water Works imposes a lawn-watering ban to help ensure member utilities have the capacity to treat high levels of ...

SLATER, Iowa — Nick Helland’s central Iowa farm looks much like every other nearby farm on this chilly March day, with corn stubble stretching from a gravel road up over a low hill to the northern ...

Nick Helland’s central Iowa farm looks much like every other nearby farm on this chilly March day, with corn stubble stretching from a gravel road up over a low hill to the northern horizon. But look ...

Several drinking water systems in the central San Joaquin Valley don’t meet state and federal drinking water standards because they have unsafe levels of toxic chemicals. Some of the contaminants are ...