Arizona lawyer Grady Gammage, a member of that state’s water establishment, opened a conference I attended last week with an explanation of why he became so engrossed in trying to understand “the Law of the River,” that bundle of laws and customs that govern the management and distribution of the waters of the Colorado River. …
Continue reading ‘The Code of the Pirates and the Law of the River’ »
Tony Davis reports the Bureau of Reclamation’s latest model runs up the odds of a 2016 Lower Basin shortage declaration to one in three: The odds of a shortage in water deliveries to Arizona and other Lower Colorado River Basin states in 2016 are now 33 percent, up from 21 percent as predicted in January, …
Continue reading ‘Risk of Colorado River shortage declaration rising’ »
People I talked to on my recent trip to Yuma repeatedly ticked off the three components of the regional economy: ag federal (mostly military) tourism If you count me as “3” on a Gila main canal ditch bank as a squadron of military helicopters flew over, this picture captures them all. I think it’s fair …
It was only when I was captioning and filing my pictures from my recent tours of the old bits of Arizona’s Lower Colorado River water infrastructure that I noticed what the graffiti here said: “I’m stuck in my ways.” It’s a surreal spot – springing from the side of a harsh desert canyon, a remarkable …
The folks at the Central Arizona Project and Arizona Department of Water Resources held a workshop yesterday to discuss the implications of Colorado River shortage. I didn’t have time to get down there, but Summer Pauli covered the basic message for Cronkite News Service: Arizona’s communities, industries, mines and Native American tribes aren’t likely to …
Continue reading ‘In a Colorado River shortage, Central Arizona will be fine for now’ »
update, June 24, 2015: Since this post was written in April 2015, a wet spring has reduced the chance of a “shortage” in 2016. It now appears 2017 is the earliest this could happen. The situation described in rest of the post, detailing what happens when a “shortage” is declared, remains the same. previously tl;dr …
Continue reading ‘1,075: What a Lake Mead “shortage” would mean in practice’ »
The Wellton-Mohawk Valley is one of those places where you can feel the desert pressing in around you, a ribbon of irrigated green no more than 3 miles wide along the Gila River in southwestern Arizona. The last of the winter vegetables are done, and farmers are getting the ground ready for their spring-summer cover …
Continue reading ‘Water in the desert, Wellton-Mohawk edition’ »
This is a field fallowed under a 2013 agreement between Yuma Mesa Irrigation and Drainage District and the Central Arizona Groundwater Replenishment District. The deal is small, but it raises all kinds of fascinating issues of both water management and culture down here in Arizona’s southwestern corner, where water is both economically critical and culturally …
Continue reading ‘Fallowed ground: 21st century water institutions on Yuma Mesa’ »
One of the things we do with Colorado River water is grow durum wheat in the Gila River Valley. Durum is used to make pasta. Here in the valley around Yuma, where the Gila River meets the Colorado in Arizona’s southwestern corner, durum is planted as a cover crop in spring on land that derives …
The Colorado River isn’t very big here, but there’s still enough water in it to drop a pump and irrigate a crop. This is on a weird little geographic island, a chunk of land that is on the west (California) side of the river, but legally in Arizona – left stranded when the Colorado River …
Continue reading ‘It’s not all Hoover Dam and giant canals’ »