In 1968, the government announced a flood control plan for Northern Taiwan, under which what is today the Wugu wetlands area was classified as a "grade one flood plain." All construction or alteration of any kind was forbidden in the area.
民國 57 年，政府宣布「北區防洪計畫」，把現今五股濕地範圍劃入「一級洪水平原區」，區內絕對禁建，只能保持原貌；少了人為破壞，水域和沼澤區的生物逐漸演替增多。