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’ »
“Collaboration is a much better way of working than litigation.” – Estevan López, Commissioner, U.S. Bureau of Reclamation, during today’s festivities marking the tenth anniversary of the Multi-Species Conservation Program on the Lower Colorado River. Jerry Zimmerman, former executive director of the Colorado River Board of California, told a story this morning about how the …
Continue reading ‘Habitat conservation on the Lower Colorado’ »
“Over this bridge drought refugees are crossing the Colorado River into California.” – Dorothea Lange, 1935 One more great bit of American history as I get ready to head off to Yuma. I love this picture. From the Library of Congress’s remarkable collection of Dorothea Lange’s work in the American Desert during the Depression.
The April-July runoff forecast into Lake Powell, on the Arizona-Utah border, is just 52 percent of the long term mean, according to new numbers out today from the Colorado Basin River Forecast Center. That is roughly 1.3 million acre feet less water flowing into Lake Powell than the forecast of just a month ago, the …
Continue reading ‘Colorado River Basin forecast: where’d that 1.3 million acre feet go?’ »
Parker Live, a news web site based in Parker, Arizona, seems to be engaging in a little bit of what Kathryn Sorensen calls “drought schadenfreude” here. Parker sits on the Colorado, at the head of a rich farming valley with some of the most senior rights on the river and big farming that has thus far …
Continue reading ‘The Colorado River’s Parker valley – “the illusion of plenty”’ »
Arizona’s state seal is a fascinating bit of iconography in light of the state’s uneasy relationship with aridity and developed water. A dam, a river and irrigated land are given center stage – water projects as state destiny. Today I learned the seal’s details are actually enshrined in the state constitution: In the background shall be …
Continue reading ‘Dams, water, and the Arizona state seal’ »