Asian River Restoration Network (ARRN)

The Asian River Restoration Network was established in Nov. 2006 to support the exchange of information relating to environmental restoration of rivers and watersheds. JRRN has a role of ARRN secretariat currently.

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Contact us (Secretariat)


Lofty Chuoh Bldg., 7th Flr.

17-24, Shinkawa 1cho-me, Chuo-ku, Tokyo 104-0033, JAPAN

Foundation for Riverfront Improvement and Restoration
Tel: +81-3-6228-3860
Fax: +81-3-3523-0640
E-mail:info@a-rr.net

World's WATERFRONT: JAPAN

< World's WATERFRONT: JAPAN Entry Archive >

Restoration of Ibo River (Tatsuno City and Himeji City, Hyogo Prefecture)

Ibo River in Hyogo Prefecture flowing into Seto Inland Sea had a poor record: it was designated as the 3rd- to 5th-worst river in Japan in terms of water quality because the wastewater was discharged from households and the local industries such as leather product makers.
Under the circumstances, construction of a sewage system was promoted in the Ibo River Basin and the sewage system penetration rate was improved. In addition, the whole quantity of the leather makers' wastewater has been accepted by the water treatment facilities since 1994. As a result, Ibo River made rapid progress in recovery and gained the 2nd-best place in water quality in the Kinki region in the following year. It was also designated as one of the "100 revived waters". Today, the ascent of natural plecoglossus altivelis was observed for the first time in 40 years and the recovery of a clean stream of Ibo River was welcomed by local people. A fishing contest and river-rafting held by a local group is becoming popular year by year and the connection between the local community and the river has been revived.

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