In Taiwan, there are several area have been long polluted by the improper waste disposal from industries.The Er-Jeh River has beem heavily contaminated by hear log industrial facilities.

• 在以前环境保护未受重视的时期，台湾地区许多河川及土壤均遭受污染，其中二仁溪流域是本省南部河川污染最严重的流域，长期被电镀业、废五金回收及熔炼业之工业废水大量排入造成严重污染。