Seven states missed the federal deadline to divide the Colorado River, as tensions rise between Upper and Lower Basin negotiators.

Despite heavy rains, Arizona’s Willcox Basin continues to sink from decades of groundwater pumping, a scientist warns at a Geological Society meeting.

SB 72 updates California’s Water Plan to add 9 million acre-feet of supply by 2040 and expand public participation in statewide water planning.

Heavy rain hit the Northwest, but drought lingers across much of the Colorado River Basin as Arizona, New Mexico, and Utah stay mostly dry.

Arizona slams Colorado while Utah stays optimistic as seven states race to reach a Colorado River deal before the November 11 federal deadline.

California’s Colorado River use is projected to hit its lowest level since 1949—proof that conservation and growth can succeed together.