Fill in the gaps with the words listed below

a) downstream d) water supply g) located

b) release e) over h) include

c) structure f) destroy i) outlets

A spillway is a 1) _______ used to provide for the controlled release of flood flows from a dam or levee into a 2) _______ area, typically being the river that was dammed. Spillways 3) _______ floods so that the water does not overtop and damage or even 4) _______ the dam. Except during flood periods, water does not normally flow 5) _______ a spillway. In contrast, an intake is a structure used to release water on a regular basis for 6) _______, hydroelectricity generation, etc. Floodgates and fuse plugs may be designed into spillways to regulate water flow and dam height. Other uses of the term "spillway" 7) _______ bypasses of dams or outlets of a channels used during high water, and outlet channels carved through natural dams such as moraines.

A spillway is 8) _______ at the top of the reservoir pool. Dams may also have bottom outlets with valves or gates which may be operated to release flood flow, and a few dams lack overflow spillways and rely entirely on bottom 9) _______.


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