Water Hardness Atlas ZIP / postcode

Water hardness in Porto Feliz

39 mg/L soft

Tap water in Porto Feliz is soft: 39 mg/L (2.3 gpg · 2.2 °dH · 3.9 °fH).

<6060–120120–180>180 mg/L

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

Range across supply zones: 11–98 mg/L.

Aguas De Porto Feliz reports a median of 39.4 mg/L CaCO₃, with samples from 11.3 to 98.0 mg/L (SISAGUA, 2026). The median is soft, but the range is wide and the top value is near moderate. Your tap may read differently from the median.

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 hardness39 mg/L
UtilityAguas De Porto Feliz

How Porto Feliz 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 Porto Feliz

BrandSetting for this water
BoschH00
Miele2 °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 Porto Feliz water hard or soft?

It is soft: 39 mg/L as CaCO₃ (2.3 gpg, 2.2 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Porto Feliz 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 Porto Feliz water?

2.3 gpg, equal to 2.2 °dH, 3.9 °fH or 39 mg/L calcium carbonate.

What dishwasher salt setting should I use in Porto Feliz?

For 39 mg/L (2.2 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Porto Feliz?

No. With soft water a softener adds nothing.

Source

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 Ministério da Saúde, SISAGUA – controle semestral (Aguas De Porto Feliz), CC BY-ND 3.0 · Outdated figure?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

Nearby cities

Boituva41 mg/LRafard66 mg/LElias Fausto71 mg/LIperó41 mg/LSalto44 mg/LCerquilho62 mg/L
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