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 ...

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 ...

Up to 42,000 people in Stanislaus and Merced counties soon will get free bottled water because their wells are high in nitrate. The cost of at least $1 million a year will be borne by farmers and ...

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 ...

HASTINGS, Minn. (AP) — Watershed experts are using wetlands and woodchips to try and reduce nitrate runoff in Vermillion River and other Minnesota waters. Runoff from local farms has polluted the ...