What Is a Sewer Grate?


Quick Answer

A sewer grate is a square or rectangular metal frame with openings that allow sewer water to drain. The grated structure prevents people, animals and objects from falling down the hole while still allowing liquid drainage. These grates are located throughout a city and tie into the city sewer system.

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Full Answer

A sewer grate is different than a manhole cover, which is a solid metal lid over an opening that provides access to the underground sewer system. A December 2012 Chicago Tribune article noted that cities are burdened by thefts of sewer grates. People steal them to sell as metal scrap and such thefts create a hazard because of the uncovered holes.

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