Hydrology

Water Resources Water Levels Water Cycle Water Management Climate Change Climate Science Groundwater River Systems Climate Impact Meteorology

Deadlock Over Colorado River Raises Prospect of Federal Water Reallocations

The Bureau of Reclamation plans to issue updated allocation options in mid-July that could impose steep, uneven cuts or prompt lawsuits.

Mars Express Maps Dark Deposits in Shalbatana Vallis

Record-Low Colorado River Runoff to Lake Powell Forecast as U.S. Cuts Releases

Santa Fe Moves Toward Farm Emergency After Rains Top a Year’s Total

B.C. Snowpack Near Normal Masks Sharp North–South Divide

Lake Powell Runoff Forecast Plunges to 22% of Normal, Raising Record-Low Risk

April Survey Finds California Snowpack Near Record Low as Utah Sets Worst on Record

Aerial Surveys Find 90% Snowpack Loss in Arizona’s White Mountains

Aichi Tightens Water Use After Ure Dam Runs Dry

Pakistan Reaffirms Indus Treaty as Senate Flags Dam Funding Gap and Flood Risks

Utah Snowpack Nears Record Low as Cox Urges Prayer, Conservation

Cemaden Warns São Paulo Reservoirs Unlikely to Recover This Year as Levels Sink to Post‑2014 Lows

Atmospheric Rivers Refill California Reservoirs, Lifting Shasta Near 80% Capacity

Christmas Storms Lift Catalonia Reservoirs to 82%, Prompting Precautionary Releases

Satellite Data Show Europe’s Freshwater Stores Shrinking, With South and East Hit Hardest

Cutzamala Storage Dips to 96.3% as Rainy Season Closes

Prakasam Barrage Nears Six-Lakh-Cusec Discharge as Somasila Opens Five Gates After Montha Rains

Netherlands Publishes Above-Regional Flood Maps for ARK-NZK Showing Weeks-Long Standing Water After Extreme Rains

Salt Lake City Breaks October Rain Record at 4.16 Inches as More Storms Loom

Colorado River Report Warns of Imminent System Crash, Presses Cuts and Glen Canyon Dam Overhaul