A new map estimates groundwater depth across the contiguous United States at a resolution of around 30 meters. It's 13 times the volume of all the Great Lakes combined and almost 7 times the amount of water discharged by all rivers on Earth in a year. Previous estimates using similar constraints have ranged from 159,000 to 570,000 cubic kilometers.

Saturday, February 14 is the deadline for seven western states to come to some kind of agreement over the Colorado River. Some of those states refuse mandatory conservation measures, opting for voluntary action. Northern California supplies 30% of Southern California's water demands. Southern California takes about one-third of Colorado River's total flow. The rest goes to urban areas and homes.

Scientists have explained the causes of historic UAE rainfall that leads to Dubai floods. For all the latest business news from the UAE and Gulf countries, follow us on Twitter, LinkedIn, Facebook and subscribe to our YouTube page, which is updated every day.

Citation issued after silt pumped into Spring Creek from construction site, Harris Co. officials say. Bob Rehak, the Harris County Community Flood Resilience Task Force leader, flew his drone to discover it. He's now seeing silt fences and other measures being taken to prevent more sediment flow.

Six weeks into his tenure, Mayor Zohran Mamdani has been confronted with controversies both grave and frivolous. He stood by a top appointee who was facing down a media circus for tweets that were more than a half-decade old. He grappled with the fallout from several police-involved shootings and he faced down, like just about every mayor before him, the …

DC Water says the underground sewer line that burst and spewed wastewater into the Potomac River four weeks ago could take another 10 months to repair. More than 240 million gallons of sewage have made their way into the river. Maryland, Virginia and D.C. issued warnings to avoid the river from the Interstate 495 bridge and down.