Water Hardness Atlas ZIP / postcode

Water hardness in Artur Nogueira

43 mg/L soft

Tap water in Artur Nogueira is soft: 43 mg/L (2.5 gpg · 2.4 °dH · 4.3 °fH).

<6060–120120–180>180 mg/L

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

Range across supply zones: 37–49 mg/L.

Artur Nogueira, in São Paulo state, is supplied by the local utility SAEAN. The 2026 SISAGUA median is 42.5 mg/L as CaCO₃, within a narrow range of 37.2 to 48.5 mg/L. The water is soft and fairly consistent between sampling points.

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 hardness43 mg/L
UtilitySaean Artur Nogueira

How Artur Nogueira 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 Artur Nogueira

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 Artur Nogueira water hard or soft?

It is soft: 43 mg/L as CaCO₃ (2.5 gpg, 2.4 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Artur Nogueira 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 Artur Nogueira water?

2.5 gpg, equal to 2.4 °dH, 4.3 °fH or 43 mg/L calcium carbonate.

What dishwasher salt setting should I use in Artur Nogueira?

For 43 mg/L (2.4 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Artur Nogueira?

No. With soft water a softener adds nothing.

Source

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 Ministério da Saúde, SISAGUA – controle semestral (Saean Artur Nogueira), CC BY-ND 3.0 · Outdated figure?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

Nearby cities

Holambra9 mg/LCosmópolis20 mg/LMogi Mirim45 mg/LSanto Antônio de Posse90 mg/LJaguariúna71 mg/LConchal10 mg/L
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