The Maipo River is by far the major source of irrigation and potable water for the region.

[4] Governor of Valpraíso Region Rodrigo Mundaca criticized however the fact that works were carried out without permission.

After leaving the Andes, the Maipo flows through the valley that bears its name, which is one of the principal wine-producing region in Chile.

[2] The Maipo River travels 250 km (160 mi) before emptying into the Pacific Ocean, near the locality of Llolleo, south of the port of San Antonio.

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