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The Metropolitan Area Outer Underground Discharge Channel protects our town from flooding. Why not learn more about it by answering the quiz? The more you know, the more you'll enjoy a tour.

With all four drainage pumps at the Showa Drainage Pump Station running at full power, how much water can they discharge per second?
Hint: The discharge capacity of one pump at the Showa Drainage Pump Station is...
River facilities: drainage pump station | Edogawa River Office

How many pillars are there in the surge tank known as the "Underground Temple"?
Hint: The surge tank lies 22 m underground and is 177 m long, 78 m wide and 18 m high. Each pillar is 7 m deep, 2 m wide, 18 m high and weighs about 500 tons.
Surge tank | Edogawa River Office

How big is the shaft that takes in the water?
Hint: Space Shuttle: 55 m; Sensoji Temple's five-story pagoda: 53 m; Statue of Liberty: 46 m. The Space Shuttle and the Statue of Liberty would fit inside completely.
Shafts | Edogawa River Office

Come and experience the Metropolitan Area Outer Underground Discharge Channel and feel its enormous scale. Kasukabe also has plenty of other attractions: food such as the Discharge Channel special hospitality menu, souvenirs including the Kasukabe Food Selection, specialties such as paulownia products and oshie hagoita, and Kasukabe-juku, a former post town on the Nikko Kaido.