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9th International Rainwater Catchment Systems Conference
"Rainwater Catchment: An Answer to the Water Scarcity of the Next Millennium."
Petrolina, Brazil - July 1999

Section 9: Rainwater Catchment Systems in Urban Areas

Paper 9.1

Local Governments' Financial Assistance for Rainwater Utilization in Japan

Ichiro Kita, Kouichi Takeyama, Atsuo Takeuchi & Kunihiko Kitamura
Faculty of Life and Environmental Science
Shimane University, 1060 Nishikawatsu
Matsue, Shimane, 690-8504 Japan


Since rainwater hasn't been recognized as a valuable water resource in Japan it hasn't been used to its full potential. Our main concern is the efficient rainwater collection. In the recent past people living in urban areas suffer from water shortage while occasional heavy rains cause flooding. A city's water supply usually depends on a far-away source.

One of the solutions to this problem is a rainwater utilization system using cisterns or seepage pits. These have been popularized gradually in Japan, mostly equipping public buildings. To make rainwater collection more standard individuals have to start using it as well. Therefore some local governments have established financial assistance program for people equipping their homes with rainwater collection systems.

In this paper, the existing state of financial assistance differing from one local government to the next is investigated.

PDF of full document (5pp, 22kb)

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