2022年1—12月，重慶(qing)市地(di)表水(shui)斷面(mian)238個(ge)(ge)，除46個(ge)(ge)入境斷面(mian)，其余(yu)192個(ge)(ge)斷面(mian)中(zhong)(zhong)Ⅰ—Ⅲ類(lei)水(shui)質斷面(mian)占96.4%，其中(zhong)(zhong)，長江干(gan)流監測的19個(ge)(ge)斷面(mian)水(shui)質滿(man)足Ⅲ類(lei)的比例占100%。

在按照(zhao)城(cheng)市水(shui)質指(zhi)數（CWQI）對重慶(qing)市38個區(qu)(qu)縣(xian)(xian)(xian)(xian)（自治(zhi)縣(xian)(xian)(xian)(xian)）和(he)兩江(jiang)新區(qu)(qu)、西部科學城(cheng)重慶(qing)高新區(qu)(qu)、萬(wan)盛經開區(qu)(qu)水(shui)環境質量進(jin)行排(pai)(pai)名(ming)的表格(ge)中，排(pai)(pai)名(ming)前(qian)五的彭水(shui)縣(xian)(xian)(xian)(xian)、城(cheng)口縣(xian)(xian)(xian)(xian)、武(wu)隆(long)區(qu)(qu)、黔江(jiang)區(qu)(qu)、秀山(shan)縣(xian)(xian)(xian)(xian)排(pai)(pai)名(ming)無變(bian)化，與上(shang)月持平；重慶(qing)水(shui)質排(pai)(pai)名(ming)前(qian)十區(qu)(qu)縣(xian)(xian)(xian)(xian)中，巫山(shan)縣(xian)(xian)(xian)(xian)排(pai)(pai)名(ming)上(shang)升2位(wei)，位(wei)列(lie)第(di)6，酉陽縣(xian)(xian)(xian)(xian)、巫溪縣(xian)(xian)(xian)(xian)排(pai)(pai)名(ming)均下降1位(wei)，位(wei)列(lie)第(di)7、第(di)8。