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Water quality

A map of central Mexico that uses different colors to show variations of arsenic concentrations in groundwater.
Posted inEditors' Highlights

Protecting Children’s Health Can Benefit the Economy

by Avner Vengosh 6 July 202228 February 2023

A new study presents an integrated approach to predicting the human health impacts, economic implications, and remediation solutions for using contaminated groundwater in Central Mexico.

A tarnished copper water pipe and spigot with dripping water sits in front of a blurred green outdoor background.
Posted inNews

Uranium Detected in Latinx Communities’ Water Systems

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 21 April 202213 September 2025

The unsafe contaminant levels could not be attributed to differences in regional geology, water source, or community size. Researchers suggest they are due to a failure of regulatory policy.

A street in Philadelphia following a winter storm
Posted inResearch Spotlights

Road Salts Linked to High Sodium Levels in Tap Water

Sarah Stanley, Science Writer by Sarah Stanley 8 March 202227 August 2025

Use of deicing agents may sometimes raise sodium levels in drinking water beyond healthy limits for people on salt-restricted diets.

Argon plasma
Posted inNews

Innovators Tackle Toxic “Forever Chemicals”

Hannah Thomasy, Science Writer by Hannah Thomasy 24 February 202216 April 2024

New technologies seek to remove and destroy dangerous PFAS chemicals in contaminated water.

Chicago, Ill., along the shore of Lake Michigan
Posted inNews

Lake Michigan’s Salinity Is on the Rise

by Robin Donovan 7 February 202227 March 2023

Road salt is primarily to blame for the shift, though the water remains within safe levels for now.

Charts showing frequency distribution of the arsenic concentration for the respective nominal kit categories for the paired dataset.
Posted inEditors' Highlights

Field Kits Effectively Predict Arsenic Contamination

by Avner Vengosh 19 January 202228 February 2023

Field kits used in Bangladesh to test arsenic exposure from contaminated drinking water are effective in comparison to expensive laboratory arsenic tests.

A map of flooding in southeastern Texas during Hurricane Harvey, with flooded areas shown in red.
Posted inNews

Remote Sensing Could Predict Well Water Quality After Floods

by Jackie Rocheleau 16 December 202116 December 2021

After a flood, most people rely on officials to test public water sources. Private well owners are on their own, with little data to guide testing and treatment. New research seeks to change that.

Thunderstorm above an arid southwest landscape
Posted inNews

Indigenous Communities Outline Their Climate Data Priorities

Jane Palmer, Science Writer by Jane Palmer 13 December 20211 June 2023

Native American tribal communities are actively engaged in adapting to climate change. What information and data will help them build resilience to the new normal?

A conceptual model showing how phosphorous from individual household waste is transported to surface waters.
Posted inEditors' Highlights

Water Quality Policy Must Consider Stored Watershed Phosphorous

by D. Scott Mackay 6 December 20213 December 2021

Phosphorous stored in watersheds and affects water quality for decades. A new model predicts phosphorus accumulation and depletion, and the consequences for water quality conservation measures.

A satellite image of a bright green algae bloom in the dark blue waters of Lake Erie
Posted inNews

A New Technique Could Identify Algae from Space

Hannah Thomasy, Science Writer by Hannah Thomasy 6 December 202127 March 2023

Some types of algal blooms produce dangerous toxins, while others are relatively harmless to humans.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

A Long-Term Look Beneath an Antarctic Ice Shelf

6 March 20269 March 2026
Editors' Highlights

Collinearity is Not Always a Problem in Machine Learning

10 March 20269 March 2026
Editors' Vox

How Radar Reveals the Hidden Fabric of Ice Sheets

9 March 20269 March 2026
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