Flood maps show US vastly underestimates contamination risk at old industrial sites
Flooding in communities near former industrial sites threatens common pollution containment methods already in place.
Recent drop in Lake Powell’s storage shows how much space sediment is taking up
A new study shows that sedimentation from the Colorado River means that Lake Powell's storage capacity is lower than previously believed.
Pitkin County agrees to fund ditch piping project
The Pitkin County Board of County Commissioners has approved funding toward a ditch piping project to keep more water in Hunter Creek.
Hydropower’s future is clouded by droughts, floods and climate change – it’s also essential...
As competition for water increases, the way hydropower is managed within regions and across the power grid in the U.S. will have to evolve.
Powell’s looming power problem
Drought and demand threaten a critical component of the Western grid as Lake Powell approaches minimum power pool for the first time.
Marble quarry must build bridge, culvert and improve stream for Clean Water Act violation
Colorado Stone Quarries must rehabilitate streams they illegally diverted in 2018, but some say even more needs to be done.
Photos: Granite Reef Underground Storage Project, January 2019
This page features aerial photos of the Granite Reef Underground Storage Project (GRUSP), near Mesa, Arizona.
Roughly four miles downstream from the Granite Reef Diversion Dam, the GRUSP is a...
As Lake Powell dries up, the US turns to creative accounting for a short-term...
A new agreement calls for Western states to leave their drinking water in the reservoir — and act as if they didn't.
Feds, 4 Colorado River states unveil draft drought operations plan as 2022 forecast shift
The Bureau of Reclamation and the Upper Basin states have drawn up a proposed framework to create plans to maintain Lake Powell water levels.
Photos: Central Arizona Project
This page features photos of the Central Arizona Project (CAP) canal, a cornerstone of Arizona's water supply.
Created in 1968 by the Colorado River Basin Project Act, the CAP is...