Tap water hardness in Sergipe
We have published hardness data for 72 cities in Sergipe. The median is 44 mg/L; the hardest water is in Santo Amaro das Brotas (297 mg/L), the softest in Pacatuba (11 mg/L).
10 % 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.