| The Colorado River Basin Region is a desert region covering over 20,000
square miles (or 13,000,000 acres) in the southeastern corner of the State.
It includes all of Imperial County and; portions of San Bernardino, Riverside
and San Diego Counties. It is bounded on the east by the Colorado River;
southern boundary is the international border with the Republic of Mexico;
to the west by the Laguna, San Jacinto, and San Bernardino. Except for its
southern boundary, the Region's boundaries are drawn from natural water
shed divisions formed by mountain ranges to the north and west and by the
Colorado River to the east. Irrigated farmlands in the Coachella, Imperial,
and Palo Verde Valleys are some of the most productive agricultural areas
in the State and the major industry for the Region. For additional information
try the EPA - WATERS EnviroMapper.
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Whitewater River areas: Banning, La Quinta, Palm Desert, Cathedral City, Coachella, Palm Springs, Desert Hot Springs, Rancho Mirage, Indian Wells, Indio, Coachella Valley Water District and Riverside County
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