Update: California Central Coast row-crop farmers are now required to test their private wells for nitrate, a widespread groundwater contaminant linked to over-fertilization.
North Texas, the fastest-growing region in the fastest-growing state in the nation, has a growing demand for water. While the rest of the U.S. is tearing down decaying dams, Texas wants some dam water.
In the quarter-century since Marc Reisner issued a grim prognosis for water in the American West, various entities have made efforts to reverse what once seemed inevitable.
While not every dire prediction has come true, amid swimming pools and thirsty crops, the hard truth remains that the American West cannot maintain its spendthrift ways of using fresh water.
On The 25th anniversary of the book "Cadillac Desert," we look at the work of an earlier Cassandra of Western water shortages, explorer John Wesley Powell.