Chemist Lisa Morarend explained how ion chromatography is used to measure nitrate and other contaminants in water samples at the Fleur Drive Treatment Plant in Des Moines during a press event Tuesday.

Nutrients entering nature through agriculture remain a persistent problem in Estonia, contributing to the deterioration of water bodies. The monitored sources now contain as many nitrates as they did ...

As Central Iowa Water Works imposes a lawn-watering ban to help ensure member utilities have the capacity to treat high levels of nitrates in their source water, some central Iowans are eyeing the ...

Rich Gradoville reads the results of a test strip he dipped into a spot along the Des Moines River to monitor the nitrate levels, and records the results on an app on his phone. (Photo by Cami ...

LEVELS HAVE GOTTEN THIS HIGH. SO WE KEEP TALKING ABOUT NITRATES, BUT WHAT EXACTLY IS A NITRATE? NEW AT FOUR. KCCI’S NICOLE TAM HAS THE ANSWER TO THAT QUESTION AND WHY IT’S SO IMPORTANT TO WATCH THOSE ...

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 ...

Nitrate levels are inching up in a South Canterbury town, where some council water supplies were previously off limits for ...

Greenpeace has raised fresh concern around two urban water supplies in Canterbury after its testing showed high nitrate ...

Water Works says there has been improvement in demand. They say water usage has dropped by 30-percent... simply from banning folks from watering their lawns. Nitrate ...

GUYMON, Okla. (KAMR/KCIT) — Officials with the City of Guymon released more information about the water sample collected on ...

TOMAH, Wis. (WEAU) - The City of Tomah is advising residents about the nitrate levels of one of the water wells, while telling residents the water is safe to drink. The well in question tested for ...