Low flush toilets often waste more water than they save due to poor engineering and confusing buttons.

Heavy rain events, which happen just a few days each year, have an outsize role in sending nitrogen runoff into waterways, computer modeling indicates.

Two environmental engineers say governments need to do more to protect people from possible water contamination after wildfires.

When water stagnates in pipes, harmful metals and bacteria can accumulate and make people sick. Buildings that were shut down for weeks during the pandemic may be at risk.

When water stagnates in pipes, harmful metals and bacteria can accumulate and make people sick. Buildings that were shut down for weeks during the pandemic may be at risk.

The Trump administration is trying to roll back a regulation that requires showerheads to conserve water and saves owners an average of $70 and nearly 3,000 gallons of water yearly per showerhead.

The building blocks of our planet may have been the source of water on Earth rather than comets or asteroids from faraway, researchers report.

The cheap device could also allow people to easily and swiftly test their water supplies for lead contamination, researchers say.

The crisis left at least 12 dead and exposed tens of thousands of children to lead poisoning.