Water

Smart faucet could help save water

An experiment with a water-saving “smart” faucet shows potential for reducing water use. The catch? Unbeknownst to study participants, the faucet’s smarts came from its human controller.

Generating energy from wastewater

A new battery made from affordable and durable materials generates energy from places where salt and fresh waters mingle. The technology could make coastal wastewater treatment plants energy-independent and carbon neutral.

Bill Lane Center for the American West —

Putting a tempest into a teapot

To ease the pain of new state rules, engineers are looking to harness an unconventional and unwieldy source of water: the torrential storms that sometimes blast across the Pacific Ocean and soak California.

Stanford School of Engineering —

Can a drone reveal the murky secrets of San Francisco Bay?

Measurements of suspended sediment concentrations reveal a lot about the health of a waterway, but information has been difficult to obtain. A new approach uses a drone to take high-resolution photos to reveal turbidity.

Where can flooded fields help replenish groundwater?

Overpumping in California’s Central Valley has depleted groundwater storage capacity and caused the land to sink. A new model could help zero in on where water managers can replenish aquifers by flooding fields.

How machine learning can help regulators

Cassandra Handan-Nader and Daniel Ho have created an algorithm that reads satellite images to help environmental regulators identify potentially hazardous agricultural facilities more efficiently than traditional approaches.

The effects of climate change on water shortages

In Jordan, one of the most water-poor nations, predictions of future droughts depend on the scale of climate change. Without reducing greenhouse gases the future looks dry, but researchers offer some hope.

Impacts of downsizing the Delta twin tunnels project

Two experts from Stanford’s Water in the West program explain the potential impacts on the future of water in California of the proposed plan to downsize the $17 billion Delta twin tunnels project.

Droughts boost emissions as hydropower dries up

Recent droughts caused increases in emissions of carbon dioxide and harmful air pollutants from power generation in several western states as fossil fuels came online to replace hampered hydroelectric power. A new study quantifies the impact.