Water Hardness Atlas ZIP / postcode

Water hardness in Nova Trento

6 mg/L soft

Tap water in Nova Trento is soft: 6 mg/L (0.3 gpg · 0.3 °dH · 0.6 °fH).

<6060–120120–180>180 mg/L

Source: Ministério da Saúde, SISAGUA – controle semestral (Samae), CC BY-ND 3.0 (2026) · data checked 2026-10-20

Range across supply zones: 4–8 mg/L.

Nova Trento, in Santa Catarina, is served by Samae. Reported hardness is 5.9 milligrams per litre, very soft, with readings from 4.4 to 7.5. The figures are from the 2026 Ministry of Health SISAGUA data.

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 hardness6 mg/L
UtilitySamae

How Nova Trento 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 Nova Trento

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 Nova Trento water hard or soft?

It is soft: 6 mg/L as CaCO₃ (0.3 gpg, 0.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Nova Trento 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 Nova Trento water?

0.3 gpg, equal to 0.3 °dH, 0.6 °fH or 6 mg/L calcium carbonate.

What dishwasher salt setting should I use in Nova Trento?

For 6 mg/L (0.3 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Nova Trento?

No. With soft water a softener adds nothing.

Source

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 Ministério da Saúde, SISAGUA – controle semestral (Samae), CC BY-ND 3.0 · Outdated figure?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

Nearby cities

Botuverá92 mg/LMajor Gercino8 mg/LGuabiruba9 mg/LCanelinha10 mg/LPresidente Nereu12 mg/LLeoberto Leal40 mg/L
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