Already over the last two years, the quality of the water in the Feitsui Reservoir--currently the best in all Taiwan--has been affected by pine wilt disease in the catchment areas which feed it.
被評為台灣水質最佳的翡翠水庫，近兩年上游水源地的松林染病，水庫水質就受到影響，不再清澈如昔。