Water

The National Weather Service has launched the first flood forecasting system with precise, real-time data showing spots that are at imminent risk of inundation

A FEMA advisory council says a program that allows developers to elevate homes on fill dirt is environmentally harmful and can increase flood risks for nearby homes

Warming waters pose a danger to Atlantic salmon. A new effort aims to lower the temperature in waterways used by the fish to spawn

In many places around the world, groundwater is being pumped out faster than nature replenishes it. A new model points to a possible solution

A hydrogeologist explains the shifting balance between fresh and salt water at the coast as sea levels rise

Raging floods, intensifying drought and rising seas could affect saltwater intrusion

Researchers in Hawaii are studying the effects of the deadly blazes on its island of Maui, including how they have impacted drinking-water quality and might affect local marine ecosystems

A Federal Emergency Management Agency analysis of New York City’s inadequate storm drainage system shows that many urban areas can’t handle more intense rainfall

Researchers are discovering freshwater reservoirs below the coastal seafloor that might someday save dry regions from drought

Human depletion of groundwater has shifted the global distribution of water so much that the North Pole has drifted by more than four centimeters per year

Coastal cities could benefit from newfound reserves of water

How geologic activity—and climate change—can alter and threaten coastal freshwater reserves