Families in Eloy are being warned after recent testing showed elevated nitrate levels in the city's drinking water supply, ...

Nitrate pollution is straining some water facilities in small Iowa towns, even when they have advanced filtration systems.

PRATT —Nitrate pollution has forced a central Kansas town to shut off two wells that make up nearly one-quarter of its total permissible water supply. The state of Kansas will help Pratt afford the ...

DES MOINES, Iowa (KCCI) — For the last several weeks, Des Moines Water Works has been dealing with elevated nitrate levels in drinking water, forcing its Fleur Drive facility to operate at full ...

Nitrate levels in the metro's drinking water sources are nearing last summer’s highs, which led to a first-ever lawn‑watering ban.