An example of purposeful diversion of water from its natural location to irrigate agriculture is

An example of purposeful diversion of water from its natural location to irrigate agriculture is deviation dam.

Explanation:

A deviation dam is a dam that distracts all or a share of the course of a river from its natural passage. Deviation dams do not commonly appropriate water in a reservoir; alternatively, the water is redirected into an unnatural water track or waterway, which may be utilized for irrigation or retreat to the river ... raise the water level to redirect the water to the assigned location.