Restoration of Sana River (Toyokawa City, Hoi County Kozakai Town and Toyohasi City Aichi Prefecture)

Sana River running through the eastern Mikawa area of Aichi Prefecture became so contaminated that the BOD was 60 mg/l, which was measured at the environmental basing point located downstream in 1978. This was because of the urbanization in the peripheral area that occurred during the decade starting in 1965. However, the construction of the sewage system was started in Toyo River Basin including Sana River Basin in 1980 and since then the water quality has been largely improved along with the progress of the sewage system improvement.
Today, children playing with water can be seen and a project to change the dike into a flower corridor is being promoted by community residents. Also, this river has been selected as one of the "100 revived waters", thus it is being changed into a river cherished by the local people.

By JRRN-secre | Category: Water quality Restoration,Chubu | Comment(0) | Trackback(0) |
Date: 2010.09.10 18:22