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Water quality

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.

Photograph of Peace River Manasota Regional Water Supply Authority water treatment plant in Florida.
Posted inEditors' Highlights

New Standards Spur Water Utilities to Improve Compliance

by Jim Hall 1 December 202116 February 2022

Although American water utility companies take time to modify procedures and technologies in response to new quality requirements, ultimately it reduces the rate at which they violate standards.

This junction in Colorado’s Snake River is tinged with orange due to acid rock drainage.
Posted inNews

New Contamination Concern for Colorado Streams

by Nancy Averett 14 October 202129 March 2023

Abandoned hardrock mines and climate change cause metals and other elements to leach into streams. They also put rare earth elements into the water, a new study finds.

Scientist Jennifer Arrigo stands in front of ocean gliders.
Posted inFeatures

Jennifer Arrigo: Seeking Clean Water for Everyone

Kate Wheeling, freelance science writer by Kate Wheeling 24 August 202123 March 2023

Science forges a partnership between academia and federal agencies.

Map of sites in USDA’s Long-Term Agroecosystem Research network
Posted inResearch Spotlights

Big Benefits from Experimental Watersheds

by Terri Cook 18 February 202124 February 2023

Scientific insights from the Agricultural Research Service’s long-term study sites underpin dozens of models and research methods that guide global land management and conservation practices.

View looking down an underground tunnel with various gauges and water sampling equipment visible
Posted inResearch Spotlights

Earthquakes Can Acidify Groundwater

Aaron Sidder, freelance science writer by Aaron Sidder 10 February 202113 January 2022

Fracturing during microearthquakes can cause groundwater pH drops. The change is temporary but can be equivalent to the difference between water and vinegar.

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Research Spotlights

Strong Tides Speed Melting of Antarctic Ice Shelves

8 September 20258 September 2025
Editors' Highlights

Quantifying Predictability of the Middle Atmosphere

5 September 20255 September 2025
Editors' Vox

Experienced Researcher Book Publishing: Sharing Deep Expertise

3 September 202526 August 2025
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