Arizona water:

In the July 19 Section A, a photo caption accompanying an article about dwindling water supplies in Arizona erred in stating that the water behind Imperial Dam is diverted, in part, to New Mexico. Imperial Dam is in the Colorado River’s Lower Basin; New Mexico’s water allocation is from the Upper Basin. made an error, or you have questions about The Times’ journalistic standards and practices, you may contact Deirdre Edgar, readers’ representative, by email at readers. representative @ latimes. com, by phone at ( 877) 554- 4000, by fax at ( 213) 237- 3535 or bymail at 202W. 1st St., Los Angeles, CA 90012. The readers’ representative office is online at latimes. com/ readersrep.