Water Hardness Atlas ZIP / postcode

Water hardness in Taiwan

265 cities with published hardness data, sorted by population. Median: 126 mg/L.

Median

126 mg/L

hard

Taiwan Water Corporation reports total hardness in mg/L CaCO₃; the drinking-water standard is 300 mg/L.

Ranking of the hardest and softest water in Taiwan →

Each dot is a place with published data; colour shows the hardness band.

Regions

Largest places, hardest first

Every place is listed on its region page.

mg/Lmg/L
Neibu · Pingtung County248248very hard
Xihu · Changhua County230230very hard
Minxiong · Chiayi County219219very hard
Wandan · Pingtung County215215very hard
Fengshan · Kaohsiung214214very hard
Taitung · Taitung County214214very hard
Dounan · Yunlin County210210very hard
Luzhu · Kaohsiung202202very hard
Zhushan · Nantou County195195very hard
Huwei · Yunlin County194194very hard
Kaohsiung · Kaohsiung186186very hard
Zuoying · Kaohsiung186186very hard
Renwu · Kaohsiung186186very hard
Hemei · Changhua County184184very hard
Jian · Hualien County183183very hard
Pingtung · Pingtung County181181very hard
Linyuan · Kaohsiung180180very hard
Daliao · Kaohsiung174174hard
Wufeng · Taichung173173hard
Fuxing · Changhua County171171hard
Nantou · Nantou County168168hard
Chaozhou · Pingtung County161161hard
Mailiao · Yunlin County160160hard
Shengang · Changhua County155155hard
Changhua · Changhua County153153hard
Douliu · Yunlin County153153hard
Wuri · Taichung152152hard
Chiayi · Chiayi151151hard
Dongshi · Taichung151151hard
Dajia · Taichung150150hard
Houli · Taichung147147hard
Lugang · Changhua County145145hard
Rende · Tainan143143hard
Anping · Tainan143143hard
Guiren · Tainan143143hard
Hukou · Hsinchu County141141hard
Xinfeng · Hsinchu County141141hard
Luodong · Yilan County140140hard
Caotun · Nantou County136136hard
Zhudong · Hsinchu County134134hard
Shengang · Taichung133133hard
Longjing · Taichung128128hard
Wuqi · Taichung128128hard
Yongkang · Tainan127127hard
Zhubei · Hsinchu County126126hard
Tainan · Tainan124124hard
Hsinchu · Hsinchu124124hard
Xiangshan · Hsinchu City124124hard
Xinying · Tainan124124hard
Jiali · Tainan124124hard
Shanhua · Tainan124124hard
Daya · Taichung121121hard
Shalu · Taichung120120hard
Shuishang · Chiayi County120120hard
Hualien · Hualien County115115moderately hard
Taichung · Taichung109109moderately hard
Xitun · Taichung109109moderately hard
Dali · Taichung109109moderately hard
Taiping · Taichung109109moderately hard
Fengyuan · Taichung109109moderately hard
Yuanlin · Changhua County109109moderately hard
Tanzi · Taichung109109moderately hard
Datong · Yilan County102102moderately hard
Toufen · Miaoli County9898moderately hard
Zhunan · Miaoli County9898moderately hard
Miaoli · Miaoli County9696moderately hard
Yilan · Yilan County9595moderately hard
Donggang · Pingtung County9393moderately hard
Bade · Taoyuan9393moderately hard
Luzhu · Taoyuan9393moderately hard
Linkou · New Taipei9393moderately hard
Taoyuan · Taoyuan9191moderately hard
Pingzhen · Taoyuan9191moderately hard
Yangmei · Taoyuan9191moderately hard
Dayuan · Taoyuan9191moderately hard
Xinwu · Taoyuan9191moderately hard
Zhongli · Taoyuan9191moderately hard
Longtan · Taoyuan8686moderately hard
Daxi · Taoyuan8686moderately hard
Banqiao · New Taipei7373moderately hard
Xinzhuang · New Taipei7373moderately hard
Tucheng · New Taipei7373moderately hard
Luzhou · New Taipei7373moderately hard
Shulin · New Taipei7373moderately hard
Sanxia · New Taipei7373moderately hard
Wugu · New Taipei7373moderately hard
Yingge · New Taipei7373moderately hard
Taishan · New Taipei7373moderately hard
Puli · Nantou County7070moderately hard
Qingshui · Taichung6868moderately hard
Magong · Penghu County6464moderately hard
Keelung · Keelung4242soft
Qidu · Keelung4040soft
New Taipei · New Taipei3636soft
Taipei · Taipei2727soft
Zhonghe · New Taipei2727soft
Sanchong · New Taipei2727soft
Xindian · New Taipei2727soft
Xizhi · New Taipei2626soft
Danshui · New Taipei2525soft