Tap water hardness in Miaoli County
We have published hardness data for 18 cities in Miaoli County. The median is 147 mg/L; the hardest water is in Zhuolan (194 mg/L), the softest in Sanwan (85 mg/L).
56 % of these cities have hard or very hard water (over 120 mg/L).
Taiwan Water Corporation reports total hardness in mg/L CaCO₃; the drinking-water standard is 300 mg/L.
Cities in Miaoli County, hardest first
| mg/L | mg/L | ||
|---|---|---|---|
| Zhuolan | 194 | 194 | very hard |
| Shitan | 172 | 172 | hard |
| Taian | 172 | 172 | hard |
| Dahu | 169 | 169 | hard |
| Gongguan | 147 | 147 | hard |
| Sanyi | 147 | 147 | hard |
| Tongluo | 147 | 147 | hard |
| Tongxiao | 147 | 147 | hard |
| Xihu | 147 | 147 | hard |
| Yuanli | 147 | 147 | hard |
| Toufen | 98 | 98 | moderately hard |
| Zaoqiao | 98 | 98 | moderately hard |
| Zhunan | 98 | 98 | moderately hard |
| Houlong | 96 | 96 | moderately hard |
| Miaoli | 96 | 96 | moderately hard |
| Touwu | 96 | 96 | moderately hard |
| Nanzhuang | 85 | 85 | moderately hard |
| Sanwan | 85 | 85 | moderately hard |