예당저수지는 침식분지에 축조된 인공 시설로 삽교천, 무한천 같은 하천들과 마찬가지로 관개시설이 확충되어 있다.
Yedang Reservoir is an artificial facility built in the erosion basin, and irrigation facilities have been installed thereon, like streams such as Sapgyocheon Stream and Wuhancheon Stream.