The canal brings Colorado River water to the dry Salton Sea watershed, which, with an average of three inches (seven centimeters) of rainfall a year, would otherwise revert to desert.

• 干燥的索尔顿海分水岭每年平均降水量仅有3英寸(7厘米)，若不是运河带来了科罗拉多河水，该处将变回沙漠。转载翻译部分请注明天涯东方猪。