Water hardness in Jaíba
49 mg/L soft
Tap water in Jaíba is soft: 49 mg/L (2.8 gpg · 2.7 °dH · 4.8 °fH).
Source: Ministério da Saúde, SISAGUA – controle semestral (Companhia De Saneamento De Minas Gerais), CC BY-ND 3.0 (2025) · data checked 2026-10-20
Range across supply zones: 43–54 mg/L.
Copasa reports 48.5 mg/L CaCO₃ for Jaíba in Minas Gerais, with samples between 42.6 and 54.4 mg/L. That is soft water, close to the moderate band, and the spread is narrow. Scale should build slowly in kettles and heaters. We have not verified the source water.
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 hardness | 49 mg/L |
|---|---|
| Utility | Companhia De Saneamento De Minas Gerais |
How Jaíba compares
- Tap water in Jaíba is 14 % harder than the median of the 1915 cities we track in Brazil (43 mg/L).
- By hardness it ranks 837 of 1915 in Brazil (1 = hardest); 56 % of these cities have softer water.
- In Minas Gerais it is number 112 of 290 cities; the regional median is 41 mg/L.
- Nearest city with clearly softer water: Mortugaba, 138 km away (22 mg/L).
Ranking of the hardest and softest water in Brazil →
What it means at home
- Little or no limescale in kettles, water heaters or washing machines.
- Soap lathers easily; water does not dry skin or hair.
- Dishwasher: salt setting at minimum or off.
- No softener needed; a jug filter only changes taste.
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 Jaíba
| Brand | Setting for this water |
|---|---|
| Bosch | H00 |
| Miele | 3 °dH |
| AEG / Electrolux | 1 |
| Beko | 1st |
| Hoover | S0 |
| LG | H0 |
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 Jaíba water hard or soft?
It is soft: 49 mg/L as CaCO₃ (2.8 gpg, 2.7 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Jaíba 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 Jaíba water?
2.8 gpg, equal to 2.7 °dH, 4.8 °fH or 49 mg/L calcium carbonate.
What dishwasher salt setting should I use in Jaíba?
For 49 mg/L (2.7 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Jaíba?
No. With soft water a softener adds nothing.
Source
Source: Ministério da Saúde, SISAGUA – controle semestral (Companhia De Saneamento De Minas Gerais), CC BY-ND 3.0 (2025). Method: figure published by the water supplier. Ministério da Saúde, SISAGUA – controle semestral (Companhia De Saneamento De Minas Gerais), CC BY-ND 3.0 · Outdated figure? Tell us