Colorado River

State and federal leaders are under pressure to cut back on water demand in the Southwest as climate change shrinks supplies. California’s Imperial Irrigation District, which has a larger allocation of Colorado River water than any other farming district or city between Wyoming and Mexico, has ended up in the crosshairs as a result.

Water users in Western Colorado are awaiting results of ramped-up testing efforts to control invasive zebra mussels after they were found in the Colorado River and an irrigation canal near Grand Junction.

Negotiations over the water supply for 40 million people are hinged on how you interpret the words "will not cause," written into the century-old Colorado River Compact.

Seeing how cities are spending the federal cash reveals a major trend in Arizona’s water management. Cities like Peoria are planning to engineer their way out of the problem.

Senators Kelly and Sinema said the funding will go to replace debilitated water control infrastructure to provide greater control of flow and water levels within the backwater that is located within the Colorado River Indian Tribe Reservation.

The future of the Colorado River is in the hands of seven people. They rarely appear together in public. Last week, they did just that – speaking on stage at a water law conference at the University of Colorado, Boulder.

A private company with land near Cibola, Arizona sold its rights to hundreds of acre feet of water to the town of Queen Creek, just north of Phoenix, 200 miles away. Some locals still question how it happened at all.

A new survey of farmers and ranchers found they mainly trust local agencies and have not taken much advantage of state and federal payout programs.

This month a specially equipped airplane using high tech cameras and light pulses is flying over 18 conservation areas between the U.S. Mexico border and Hoover Dam.

Congressman Raul Grijalva discusses the cost of caring for migrants being borne by border hospitals. The Kyl Center's Sarah Porter on how evaporation impacts water allocations. Yuma County Attorney Jon Smith talks about domestic violence cases in the county.