Water Hardness Atlas ZIP / postcode

Water hardness in Alto Rio Novo

57 mg/L soft

Tap water in Alto Rio Novo is soft: 57 mg/L (3.3 gpg · 3.2 °dH · 5.7 °fH).

<6060–120120–180>180 mg/L

Source: Ministério da Saúde, SISAGUA – controle semestral (Companhia Espirito Santense De Saneamento), CC BY-ND 3.0 (2025) · data checked 2026-10-20

Range across supply zones: 56–60 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.

Water data

Total hardness57 mg/L
UtilityCompanhia Espirito Santense De Saneamento

How Alto Rio Novo 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 Alto Rio Novo

BrandSetting for this water
BoschH00
Miele3 °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 Alto Rio Novo water hard or soft?

It is soft: 57 mg/L as CaCO₃ (3.3 gpg, 3.2 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Alto Rio Novo 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 Alto Rio Novo water?

3.3 gpg, equal to 3.2 °dH, 5.7 °fH or 57 mg/L calcium carbonate.

What dishwasher salt setting should I use in Alto Rio Novo?

For 57 mg/L (3.2 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Alto Rio Novo?

No. With soft water a softener adds nothing.

Source

Source: Ministério da Saúde, SISAGUA – controle semestral (Companhia Espirito Santense De Saneamento), CC BY-ND 3.0 (2025). Method: figure published by the water supplier. Ministério da Saúde, SISAGUA – controle semestral (Companhia Espirito Santense De Saneamento), CC BY-ND 3.0 · Outdated figure? Tell us

Nearby cities

Pancas12 mg/LMantenópolis20 mg/LÁguia Branca11 mg/LBarra de São Francisco13 mg/LSão Gabriel da Palha12 mg/LConselheiro Pena11 mg/L
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