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Japanese city to formulate rainwater management plan

Last modified March 02, 2010 14:19

In the wake of increasingly frequent sudden, localized rainstorms throughout Japan, the City of Anjo, Aichi Prefecture, started discussions in September 2008 to establish a rainwater management master plan. The city was hit by heavy rains in late August 2008.

Japanese city to formulate rainwater management plan

Photo by timtak. Some Rights Reserved.

In the wake of increasingly frequent sudden, localized rainstorms throughout Japan, the City of Anjo, Aichi Prefecture, started discussions in September 2008 to establish a rainwater management master plan. The city was hit by heavy rains in late August 2008.

Anjo developed as an agricultural area where reservoirs were created in the Edo Era and irrigation canals in the Meiji Era. The recent rapid urbanization, however, has decreased farmland that retains water, causing rainwater to gush into rivers directly from street gutters.

In addition to maintaining storm water ponds, the city has decided to take a new comprehensive approach for its rainwater management from the standpoint of flood control,, crisis management and water circulation, in order to deal with the recent unusual weather. The city established a committee to collect opinions from academic experts and conducted a survey to obtain public opinion to formulate the master plan.

The committee had several proposals, such as collecting rainwater in rice paddies and installing rainwater storage tanks or rainwater infiltration devices in homes. The master plan will be drawn up by March 2011.

Kyoto City Subsidizing Residential Rainwater Tanks (Related JFS article)
http://www.japanfs.org/en/pages/029267.html
Subsidies Spread for Devices to Save Rainwater for Environment (Related JFS article)
http://www.japanfs.org/en/pages/026547.html

Source: Japan for Sustainability

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