Water Hardness Atlas ZIP / postcode

Water hardness in Pilar do Sul

51 mg/L soft

Tap water in Pilar do Sul is soft: 51 mg/L (2.9 gpg · 2.8 °dH · 5 °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: 29–66 mg/L.

Companhia De Saneamento Basico Do Estado De Sao Paulo supplies Pilar do Sul. The 2026 median is 50.5 mg/L, with reported values from 29.0 to 66.0 mg/L, all in the soft range.

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 hardness51 mg/L
UtilityCompanhia De Saneamento Basico Do Estado De Sao Paulo

How Pilar do Sul 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 Pilar do Sul

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 Pilar do Sul water hard or soft?

It is soft: 51 mg/L as CaCO₃ (2.9 gpg, 2.8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Pilar do Sul 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 Pilar do Sul water?

2.9 gpg, equal to 2.8 °dH, 5 °fH or 51 mg/L calcium carbonate.

What dishwasher salt setting should I use in Pilar do Sul?

For 51 mg/L (2.8 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Pilar do Sul?

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

Tapiraí26 mg/LSarapuí69 mg/LSalto de Pirapora49 mg/LPiedade87 mg/LSão Miguel Arcanjo29 mg/LAraçoiaba da Serra43 mg/L
Report an outdated or wrong figure