中(zhong)山公(gong)用(yong)水務(wu)有(you)(you)限(xian)公(gong)司(si)(si)（以下簡稱(cheng)：公(gong)司(si)(si)）前身(shen)是創建于(yu)1959年(nian)的石岐水廠(chang)，2008年(nian)隨母公(gong)司(si)(si)吸收(shou)合并(bing)成為(wei)中(zhong)山公(gong)用(yong)事業(ye)集(ji)團股(gu)份有(you)(you)限(xian)公(gong)司(si)(si)下屬全(quan)資子(zi)公(gong)司(si)(si)，公(gong)司(si)(si)名稱(cheng)于(yu)2017年(nian)6月(yue)由中(zhong)山市(shi)供水有(you)(you)限(xian)公(gong)司(si)(si)變更為(wei)中(zhong)山公(gong)用(yong)水務(wu)有(you)(you)限(xian)公(gong)司(si)(si)。公(gong)司(si)(si)以城市(shi)供水和污(wu)水處(chu)(chu)理為(wei)主，涵蓋(gai)水質監測(ce)、工程設計、施工安(an)裝、信(xin)息(xi)技(ji)術(shu)、水處(chu)(chu)理技(ji)術(shu)研發(fa)等相(xiang)關業(ye)務(wu)。

城市(shi)供水(shui)(shui)(shui)：擁有(you)(you)中山公用水(shui)(shui)(shui)務(wu)有(you)(you)限(xian)公司(si)等10家(jia)(jia)全資公司(si)、7家(jia)(jia)參控股公司(si)，建有(you)(you)獲得國家(jia)(jia)實(shi)驗室(shi)認可的(de)水(shui)(shui)(shui)質檢(jian)測中心(xin)，目前日供水(shui)(shui)(shui)能(neng)力達206萬m3，供水(shui)(shui)(shui)總量約占(zhan)中山市(shi)的(de)80%，供水(shui)(shui)(shui)管道長度(du)達6500公里，服務(wu)群(qun)眾約300萬人(ren)。

污(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處理(li)(li)(li)及(ji)(ji)污(wu)(wu)(wu)水(shui)(shui)(shui)(shui)管網(wang)運(yun)營(ying)服(fu)(fu)務(wu)：擁有(you)中(zhong)(zhong)山(shan)市污(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處理(li)(li)(li)有(you)限(xian)公(gong)(gong)司(si)等2家(jia)(jia)全資公(gong)(gong)司(si)，代運(yun)營(ying)中(zhong)(zhong)山(shan)公(gong)(gong)用黃圃污(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處理(li)(li)(li)有(you)限(xian)公(gong)(gong)司(si)，委托(tuo)運(yun)管民眾污(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處理(li)(li)(li)廠(chang)等5家(jia)(jia)污(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處理(li)(li)(li)廠(chang)，目前(qian)日污(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處理(li)(li)(li)能力達47萬m3，污(wu)(wu)(wu)水(shui)(shui)(shui)(shui)處理(li)(li)(li)總(zong)量約占中(zhong)(zhong)山(shan)市的(de)35%以上；2018年9月，中(zhong)(zhong)山(shan)公(gong)(gong)用組建水(shui)(shui)(shui)(shui)環(huan)境(jing)治理(li)(li)(li)有(you)限(xian)公(gong)(gong)司(si)，承接中(zhong)(zhong)心城(cheng)區(qu)污(wu)(wu)(wu)水(shui)(shui)(shui)(shui)管網(wang)、泵(beng)站運(yun)營(ying)服(fu)(fu)務(wu)（約836公(gong)(gong)里管網(wang)及(ji)(ji)18座泵(beng)站）。