中(zhong)山(shan)公(gong)(gong)(gong)用(yong)水(shui)務(wu)有(you)(you)(you)限公(gong)(gong)(gong)司(si)(si)（以下簡稱：公(gong)(gong)(gong)司(si)(si)）前身是(shi)創(chuang)建于1959年的石(shi)岐水(shui)廠(chang)，2008年隨母公(gong)(gong)(gong)司(si)(si)吸(xi)收合并成為中(zhong)山(shan)公(gong)(gong)(gong)用(yong)事業(ye)集(ji)團股份有(you)(you)(you)限公(gong)(gong)(gong)司(si)(si)下屬(shu)全資子公(gong)(gong)(gong)司(si)(si)，公(gong)(gong)(gong)司(si)(si)名(ming)稱于2017年6月由中(zhong)山(shan)市(shi)供水(shui)有(you)(you)(you)限公(gong)(gong)(gong)司(si)(si)變更為中(zhong)山(shan)公(gong)(gong)(gong)用(yong)水(shui)務(wu)有(you)(you)(you)限公(gong)(gong)(gong)司(si)(si)。公(gong)(gong)(gong)司(si)(si)以城市(shi)供水(shui)和污(wu)水(shui)處理為主，涵蓋水(shui)質監(jian)測、工程設(she)計(ji)、施工安裝、信息技術、水(shui)處理技術研發等(deng)相關業(ye)務(wu)。

城市供(gong)水(shui)(shui)(shui)：擁有中山公(gong)用水(shui)(shui)(shui)務(wu)有限公(gong)司(si)等10家全資公(gong)司(si)、7家參控(kong)股公(gong)司(si)，建(jian)有獲得國家實驗室(shi)認可的(de)(de)水(shui)(shui)(shui)質檢測(ce)中心，目前(qian)日供(gong)水(shui)(shui)(shui)能力(li)達(da)206萬m3，供(gong)水(shui)(shui)(shui)總量(liang)約占中山市的(de)(de)80%，供(gong)水(shui)(shui)(shui)管道長(chang)度達(da)6500公(gong)里，服務(wu)群(qun)眾約300萬人。

污(wu)水處理(li)及污(wu)水管(guan)網(wang)運(yun)營(ying)服務：擁有中(zhong)山市(shi)污(wu)水處理(li)有限(xian)公(gong)(gong)(gong)(gong)司(si)等(deng)2家(jia)全資公(gong)(gong)(gong)(gong)司(si)，代運(yun)營(ying)中(zhong)山公(gong)(gong)(gong)(gong)用(yong)(yong)黃圃污(wu)水處理(li)有限(xian)公(gong)(gong)(gong)(gong)司(si)，委托運(yun)管(guan)民眾污(wu)水處理(li)廠(chang)等(deng)5家(jia)污(wu)水處理(li)廠(chang)，目前日污(wu)水處理(li)能(neng)力(li)達47萬(wan)m3，污(wu)水處理(li)總量(liang)約占中(zhong)山市(shi)的35%以上；2018年(nian)9月(yue)，中(zhong)山公(gong)(gong)(gong)(gong)用(yong)(yong)組建(jian)水環境治理(li)有限(xian)公(gong)(gong)(gong)(gong)司(si)，承接中(zhong)心城(cheng)區污(wu)水管(guan)網(wang)、泵站運(yun)營(ying)服務（約836公(gong)(gong)(gong)(gong)里管(guan)網(wang)及18座泵站）。