Water Hardness Atlas ZIP / postcode

Water hardness in Pirapozinho

40 mg/L soft

Tap water in Pirapozinho is soft: 40 mg/L (2.3 gpg · 2.2 °dH · 4 °fH).

<6060–120120–180>180 mg/L

Source: Ministério da Saúde, SISAGUA – controle semestral (Companhia De Saneamento Basico Do Estado De Sao Paulo), CC BY-ND 3.0 (2026) · data checked 2026-10-20

Range across supply zones: 35–44 mg/L.

Pirapozinho is in São Paulo state. Companhia De Saneamento Basico Do Estado De Sao Paulo reports 39.5 mg/L, a soft value, with a narrow range of 35.0 to 44.0 mg/L. The data are from SISAGUA, 2026.

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 hardness40 mg/L
UtilityCompanhia De Saneamento Basico Do Estado De Sao Paulo

How Pirapozinho 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 Pirapozinho

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 Pirapozinho water hard or soft?

It is soft: 40 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 Pirapozinho 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 Pirapozinho water?

2.3 gpg, equal to 2.2 °dH, 4 °fH or 40 mg/L calcium carbonate.

What dishwasher salt setting should I use in Pirapozinho?

For 40 mg/L (2.2 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Pirapozinho?

No. With soft water a softener adds nothing.

Source

Source: Ministério da Saúde, SISAGUA – controle semestral (Companhia De Saneamento Basico Do Estado De Sao Paulo), CC BY-ND 3.0 (2026). Method: figure published by the water supplier. Ministério da Saúde, SISAGUA – controle semestral (Companhia De Saneamento Basico Do Estado De Sao Paulo), CC BY-ND 3.0 · Outdated figure? Tell us

Nearby cities

Tarabai27 mg/LEstrela do Norte28 mg/LNarandiba15 mg/LAnhumas13 mg/LTaciba24 mg/LÁlvares Machado93 mg/L
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