The dam controls the output of the main watershed which feeds the Sistan Basin.

The Yalong River, which the dam will control, is the largest tributary of the Jinsha.

Furthermore, the dam controls the flood, and, above all, provides for a rich fishery.

A hydroelectric dam near to the town provided electricity and also controlled the level of the Drina River, preventing flooding in areas downstream.

A dam at the northeast end of the pond controls water flow.

Although modest, the dam controls a maximum capacity of 205,000 acre-feet.

Wooden dams on both channels controlled water flow.

A dam at the outlet of Milton Pond controls the water level for all three lakes.

In the heavily industrialized area around Joliet, dams control the river.

A dam, owned and operated by the city, controls the outflow of the lake, which is used for drinking water and recreation.