Water Hardness Atlas ZIP / postcode

Water hardness in Frei Paulo

41 mg/L soft

Tap water in Frei Paulo is soft: 41 mg/L (2.4 gpg · 2.3 °dH · 4.1 °fH).

<6060–120120–180>180 mg/L

Source: Ministério da Saúde, SISAGUA – controle semestral (Igua Sergipe Sa), CC BY-ND 3.0 (2025) · data checked 2026-10-20

Range across supply zones: 22–49 mg/L.

Frei Paulo, in Sergipe, is supplied by Igua Sergipe Sa. The reported hardness is 40.8 milligrams per litre as calcium carbonate, which is soft. Readings in 2025 ranged from 22.3 to 49.0 milligrams per litre, so values vary over the year.

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 hardness41 mg/L
UtilityIgua Sergipe Sa

How Frei Paulo 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 Frei Paulo

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 Frei Paulo water hard or soft?

It is soft: 41 mg/L as CaCO₃ (2.4 gpg, 2.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Frei Paulo 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 Frei Paulo water?

2.4 gpg, equal to 2.3 °dH, 4.1 °fH or 41 mg/L calcium carbonate.

What dishwasher salt setting should I use in Frei Paulo?

For 41 mg/L (2.3 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Frei Paulo?

No. With soft water a softener adds nothing.

Source

Source: Ministério da Saúde, SISAGUA – controle semestral (Igua Sergipe Sa), CC BY-ND 3.0 (2025). Method: figure published by the water supplier. Ministério da Saúde, SISAGUA – controle semestral (Igua Sergipe Sa), CC BY-ND 3.0 · Outdated figure? Tell us

Nearby cities

Macambira70 mg/LNossa Senhora Aparecida32 mg/LPedra Mole50 mg/LRibeirópolis86 mg/LPinhão37 mg/LCarira40 mg/L
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