In 1964 the Shihmen Dam was completed and the reservoir began to fill with water. But it was not until 1984. when Shihmen was a strapping 20-year-old, that the Feitsui Reservoir first saw the light of day. Maintenance measures can prolong a reservoir's useful life, but Shihmen had been collecting silt for 20 years, and was like an old-timer compared to the young Feitsui Reservoir--they were at quite different stages of life.
民國五十三年，石門水庫竣工，等它成長為亭亭玉立的雙十年華，民國七十三年，翡翠水庫才呱呱墜地，人為保養雖可以延長水庫壽命，但石門先淤塞了二十年，與翡翠就像一老、一少，根本走在不同的生命階段。