都水监是元朝主管水利的机构,它有分都水监(简称分监)和行都水监(简称行监)两类派出机构。山东分监就是分监之一,时称东平分监、东阿分监或东平景德镇行司监,其实一也。至元二十一年(1284),在济州河上创建8座石闸,“各置守卒,春秋观水之涨落,以时启闭”,都水少监石抹氏“分都水 Dushuijian is the agency responsible for water conservancy in the Yuan Dynasty, and it has two types of dispatching agencies, namely the water supervision authority (referred to as sub-instruction) and the Xingdushui supervision agency (referred to as the “provisional supervisor”). The Shandong sub-committee is one of the sub-instructions. It is said that Dongping sub-division, Dong’a sub-district prison, or Dongping Jingdezhen line division supervisor is actually one too. In the 21st year of the 21st year (1284), 8 stone gates were built on the Jeju River. “Each set of defenders, the fluctuations of the water in spring and autumn, and the opening and closing of the water in the spring and autumn.”