Water Hardness Atlas ZIP / postcode

Water hardness in São José do Cedro

18 mg/L soft

Tap water in São José do Cedro is soft: 18 mg/L (1.1 gpg · 1 °dH · 1.8 °fH).

<6060–120120–180>180 mg/L

Source: Ministério da Saúde, SISAGUA – controle semestral (Servico Municipal De Agua E Esgoto), CC BY-ND 3.0 (2026) · data checked 2026-10-20

Range across supply zones: 5–64 mg/L.

São José do Cedro (Santa Catarina) is served by Servico Municipal De Agua E Esgoto. Reported hardness is 18.0 mg/L CaCO₃, which is soft, though samples range from 4.9 to 63.7 mg/L. The data are from the Ministry of Health's 2026 monitoring. Limescale is unlikely to be a problem.

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.

Water data

Total hardness18 mg/L
UtilityServico Municipal De Agua E Esgoto

How São José do Cedro compares

Ranking of the hardest and softest water in Brazil →

What it means at home

How much salt will you use for softening?

No. Water this soft does not need softening.

Descale a coffee machine or kettle about every 6 months (typical manufacturer guidance for this hardness).

Estimates for planning, not a quote. Check your appliance manual for exact settings.

Dishwasher setting in São José do Cedro

BrandSetting for this water
BoschH00
Miele1 °dH
AEG / Electrolux1
Beko1st
HooverS0
LGH0

From each brand's manual for the model family named in the source; your model may differ, so check its manual. All brands and how to change the setting →

FAQ

Is São José do Cedro water hard or soft?

It is soft: 18 mg/L as CaCO₃ (1.1 gpg, 1 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in São José do Cedro safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. 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.

How many grains per gallon is São José do Cedro water?

1.1 gpg, equal to 1 °dH, 1.8 °fH or 18 mg/L calcium carbonate.

What dishwasher salt setting should I use in São José do Cedro?

For 18 mg/L (1 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in São José do Cedro?

No. With soft water a softener adds nothing.

Source

Source: Ministério da Saúde, SISAGUA – controle semestral (Servico Municipal De Agua E Esgoto), CC BY-ND 3.0 (2026). Method: figure published by the water supplier. Ministério da Saúde, SISAGUA – controle semestral (Servico Municipal De Agua E Esgoto), CC BY-ND 3.0 · Outdated figure? Tell us

Nearby cities

Guaraciaba54 mg/LGuarujá do Sul39 mg/LDionísio Cerqueira24 mg/LAnchieta84 mg/LParaíso38 mg/LPalma Sola11 mg/L
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