Tap water hardness in Gyeongsangnam-do

We have published hardness data for 17 cities in Gyeongsangnam-do. The median is 43 mg/L; the hardest water is in Changwon (100 mg/L), the softest in Hamyang (24 mg/L).

0 % of these cities have hard or very hard water (over 120 mg/L).

Korean waterworks report hardness (경도) in mg/L CaCO₃; the drinking-water standard is 300 mg/L (1,000 mg/L for some sources).

Cities in Gyeongsangnam-do, hardest first

All cities in South Korea →