— Most of the total water losses occurred in the drier Lower Colorado River basin. It lost 20.7 million acre-feet of ...

New research shows that typically, less than 10% of land-building alluvium reaches the Bird’s Foot Delta region, the ...

The Colorado River basin has lost huge volumes of groundwater over the past two decades according to a new report from ...

New research based on satellite data shows the depletion of groundwater in the Colorado River Basin far exceeds losses from the river’s reservoirs. Scientists say overpumping is leading to ...

The Wyoming State Geological Survey (WSGS) recently published updated geological maps of the Rawlins and Red Desert Basin ...

But the other Colorado River Basin states -- California, Colorado, Utah, New Mexico and Wyoming -- lag far behind. Colorado recycles less than 3.6% of municipal wastewater, while Wyoming recycles ...

The City of Prosser announced a temporary change in its irrigation water delivery due to a shortage in the Yakima River Basin.

Video by Michael Hanson For The New York Times Negotiations ... flood control downstream in America. A map showing the extent of the Columbia River basin highlighting the dams in the treaty.