During the same period, in September 1983, the Lee Chang Yung Chemical Industry Corporation in Hsinchu polluted the source for the Nanya Water Treatment Plant and there was an emergency cutoff of tapwater to some 40,000 people by the water company, ultimately revealing the cause of some unusual diseases that residents had suffered year in year out.
同一時期，1983 年 9 月，新竹市的李長榮化工廠污染了湳雅淨水廠的水源，自來水公司緊急停供 4 萬人用水，也終於讓長年困擾居民的怪病元凶現形。