Tap water hardness in Espírito Santo

We have published hardness data for 61 cities in Espírito Santo. The median is 21 mg/L; the hardest water is in Muqui (78 mg/L), the softest in Água Doce do Norte (8 mg/L).

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

Portaria GM/MS nº 888/2021 sets a maximum of 300 mg/L CaCO₃ for total hardness (dureza total); operators report it in mg/L to SISAGUA.

Cities in Espírito Santo, hardest first

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