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

Iowans flooded a national water quality testing program in 2025, as public concerns regarding high nitrate levels peaked in ...

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

Two environmental groups are challenging the EPA's decision to remove Iowa river segments from the impaired waters list, citing high nitrate levels.

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

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 ...

EIGHT NEWS. IOWA’S NEWS LEADER. WELL, STAYING ON THE TOPIC OF WATER, THE NITRATE LEVELS IN THE DES MOINES AND RACCOON RIVERS ARE DROPPING. GREAT NEWS. YESTERDAY, THE LEVEL IN THE DES MOINES RIVER WAS ...

(Iowa Capital Dispatch) - Nitrate concentrations, exacerbated by a wet spring that followed years of dry conditions, reached near record highs in Iowa rivers this summer. Concentrations are typically ...

DES MOINES, Iowa (AP) — Local officials warned more than half a million Iowans in the state’s capital city and suburbs on Thursday that near-record level of pollutants in its rivers could make ...

YODER, Kan. (KSNW) — Nitrate levels for the water district that serves the Yoder community are still too high. The Reno County Public Works Department says tests earlier this month show that Rural ...

Map of Nitrate Measures in Public Water: Iowa (1970-1988). Figure 2 reports the median nitrate level in each month-year of all reported public water measures in Iowa (1970-1988). Each blue point is a ...