Water hardness in Taiwan
265 cities with published hardness data, sorted by population. Median: 126 mg/L.
Median
126 mg/L
hard
- 29 soft
- 73 moderately hard
- 98 hard
- 65 very 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 →
Regions
- Changhua County23 · 184 mg/L
- Chiayi County14 · 120 mg/L
- Hsinchu County11 · 124 mg/L
- Hualien County7 · 101 mg/L
- Kaohsiung21 · 202 mg/L
- Miaoli County18 · 147 mg/L
- Nantou County12 · 160 mg/L
- New Taipei29 · 36 mg/L
- Pingtung County27 · 155 mg/L
- Taichung21 · 120 mg/L
- Tainan29 · 124 mg/L
- Taitung County8 · 164 mg/L
- Taoyuan11 · 91 mg/L
- Yilan County10 · 98 mg/L
- Yunlin County17 · 194 mg/L
Largest places, hardest first
Every place is listed on its region page.
| mg/L | mg/L | ||
|---|---|---|---|
| Neibu · Pingtung County | 248 | 248 | very hard |
| Xihu · Changhua County | 230 | 230 | very hard |
| Minxiong · Chiayi County | 219 | 219 | very hard |
| Wandan · Pingtung County | 215 | 215 | very hard |
| Fengshan · Kaohsiung | 214 | 214 | very hard |
| Taitung · Taitung County | 214 | 214 | very hard |
| Dounan · Yunlin County | 210 | 210 | very hard |
| Luzhu · Kaohsiung | 202 | 202 | very hard |
| Zhushan · Nantou County | 195 | 195 | very hard |
| Huwei · Yunlin County | 194 | 194 | very hard |
| Kaohsiung · Kaohsiung | 186 | 186 | very hard |
| Zuoying · Kaohsiung | 186 | 186 | very hard |
| Renwu · Kaohsiung | 186 | 186 | very hard |
| Hemei · Changhua County | 184 | 184 | very hard |
| Jian · Hualien County | 183 | 183 | very hard |
| Pingtung · Pingtung County | 181 | 181 | very hard |
| Linyuan · Kaohsiung | 180 | 180 | very hard |
| Daliao · Kaohsiung | 174 | 174 | hard |
| Wufeng · Taichung | 173 | 173 | hard |
| Fuxing · Changhua County | 171 | 171 | hard |
| Nantou · Nantou County | 168 | 168 | hard |
| Chaozhou · Pingtung County | 161 | 161 | hard |
| Mailiao · Yunlin County | 160 | 160 | hard |
| Shengang · Changhua County | 155 | 155 | hard |
| Changhua · Changhua County | 153 | 153 | hard |
| Douliu · Yunlin County | 153 | 153 | hard |
| Wuri · Taichung | 152 | 152 | hard |
| Chiayi · Chiayi | 151 | 151 | hard |
| Dongshi · Taichung | 151 | 151 | hard |
| Dajia · Taichung | 150 | 150 | hard |
| Houli · Taichung | 147 | 147 | hard |
| Lugang · Changhua County | 145 | 145 | hard |
| Rende · Tainan | 143 | 143 | hard |
| Anping · Tainan | 143 | 143 | hard |
| Guiren · Tainan | 143 | 143 | hard |
| Hukou · Hsinchu County | 141 | 141 | hard |
| Xinfeng · Hsinchu County | 141 | 141 | hard |
| Luodong · Yilan County | 140 | 140 | hard |
| Caotun · Nantou County | 136 | 136 | hard |
| Zhudong · Hsinchu County | 134 | 134 | hard |
| Shengang · Taichung | 133 | 133 | hard |
| Longjing · Taichung | 128 | 128 | hard |
| Wuqi · Taichung | 128 | 128 | hard |
| Yongkang · Tainan | 127 | 127 | hard |
| Zhubei · Hsinchu County | 126 | 126 | hard |
| Tainan · Tainan | 124 | 124 | hard |
| Hsinchu · Hsinchu | 124 | 124 | hard |
| Xiangshan · Hsinchu City | 124 | 124 | hard |
| Xinying · Tainan | 124 | 124 | hard |
| Jiali · Tainan | 124 | 124 | hard |
| Shanhua · Tainan | 124 | 124 | hard |
| Daya · Taichung | 121 | 121 | hard |
| Shalu · Taichung | 120 | 120 | hard |
| Shuishang · Chiayi County | 120 | 120 | hard |
| Hualien · Hualien County | 115 | 115 | moderately hard |
| Taichung · Taichung | 109 | 109 | moderately hard |
| Xitun · Taichung | 109 | 109 | moderately hard |
| Dali · Taichung | 109 | 109 | moderately hard |
| Taiping · Taichung | 109 | 109 | moderately hard |
| Fengyuan · Taichung | 109 | 109 | moderately hard |
| Yuanlin · Changhua County | 109 | 109 | moderately hard |
| Tanzi · Taichung | 109 | 109 | moderately hard |
| Datong · Yilan County | 102 | 102 | moderately hard |
| Toufen · Miaoli County | 98 | 98 | moderately hard |
| Zhunan · Miaoli County | 98 | 98 | moderately hard |
| Miaoli · Miaoli County | 96 | 96 | moderately hard |
| Yilan · Yilan County | 95 | 95 | moderately hard |
| Donggang · Pingtung County | 93 | 93 | moderately hard |
| Bade · Taoyuan | 93 | 93 | moderately hard |
| Luzhu · Taoyuan | 93 | 93 | moderately hard |
| Linkou · New Taipei | 93 | 93 | moderately hard |
| Taoyuan · Taoyuan | 91 | 91 | moderately hard |
| Pingzhen · Taoyuan | 91 | 91 | moderately hard |
| Yangmei · Taoyuan | 91 | 91 | moderately hard |
| Dayuan · Taoyuan | 91 | 91 | moderately hard |
| Xinwu · Taoyuan | 91 | 91 | moderately hard |
| Zhongli · Taoyuan | 91 | 91 | moderately hard |
| Longtan · Taoyuan | 86 | 86 | moderately hard |
| Daxi · Taoyuan | 86 | 86 | moderately hard |
| Banqiao · New Taipei | 73 | 73 | moderately hard |
| Xinzhuang · New Taipei | 73 | 73 | moderately hard |
| Tucheng · New Taipei | 73 | 73 | moderately hard |
| Luzhou · New Taipei | 73 | 73 | moderately hard |
| Shulin · New Taipei | 73 | 73 | moderately hard |
| Sanxia · New Taipei | 73 | 73 | moderately hard |
| Wugu · New Taipei | 73 | 73 | moderately hard |
| Yingge · New Taipei | 73 | 73 | moderately hard |
| Taishan · New Taipei | 73 | 73 | moderately hard |
| Puli · Nantou County | 70 | 70 | moderately hard |
| Qingshui · Taichung | 68 | 68 | moderately hard |
| Magong · Penghu County | 64 | 64 | moderately hard |
| Keelung · Keelung | 42 | 42 | soft |
| Qidu · Keelung | 40 | 40 | soft |
| New Taipei · New Taipei | 36 | 36 | soft |
| Taipei · Taipei | 27 | 27 | soft |
| Zhonghe · New Taipei | 27 | 27 | soft |
| Sanchong · New Taipei | 27 | 27 | soft |
| Xindian · New Taipei | 27 | 27 | soft |
| Xizhi · New Taipei | 26 | 26 | soft |
| Danshui · New Taipei | 25 | 25 | soft |