The State Department's controversial denial of a request by Mexico for a special delivery of Colorado River water to Tijuana ...

Critical supply: Under the water treaty, the United States delivers 1.5 million acre-feet of water to Mexico annually near ...

Retaliating against Mexico through Colorado River deliveries stands to sour relations along a waterway where the U.S. has worked for years to build a ...

The Trump administration has denied a special request from Mexico for the delivery of Colorado River water to the city of Tijuana — marking the first such denial in 81 years. Justifying the ...

The Trump administration has refused to send water from the Colorado River to drought-stricken Tijuana. It is seeking to ...

For more than 80 years, the Water Authority and its 22 member agencies have worked together to deliver safe and reliable ...

Whether the low reservoir storage will eventually lead to cutbacks in water use, will depend on what the weather is like in ...

California, Arizona and Nevada are urging the Trump administration to change course on the Colorado River. The states are ...

A sign warns of sewage contaminated ocean water on a beach in Coronado, California. The entire shoreline of Southern California's Imperial Beach was closed in 2021 after sewage-contaminated runoff ...

Dry spring weather is causing plants to use more snowmelt, reducing Colorado River streamflow. This explains why runoff ...