Completes the survey of 1178 pollution sources, estimates three of the territory of river’s bank to be beautified place. Completes two times of spatial rackets of photograph. Pollutant improvement index was BOD in Erh-Jen river and Ching-Chun river.Completes estimate of each pollution’s sources in the Erh-Jen river and Ching-Chun river basin. Completes 87 of heavy mental pollution of industrials and 21of pig’s farms. Proposes " Project of cesspit executes in the Erh-Jen river and Ching-Chun river (Draft)". First priority of cleaning buildings are government agents and public schools. The GIS database was divided six catalogs, included data of environmental background, data of topography, data of natural environment, data of environmental management, data of pollutant’s management.

Erh-Jen river,Ching-Chun river,river basin management,Audit and duide of industrials,pollutants of investigation