Water hardness in Espumoso
54 mg/L soft
Tap water in Espumoso is soft: 54 mg/L (3.1 gpg · 3 °dH · 5.4 °fH).
Source: Ministério da Saúde, SISAGUA – controle semestral (Companhia Riograndense De Saneamento), CC BY-ND 3.0 (2026) · data checked 2026-10-20
Range across supply zones: 37–207 mg/L.
Tap water in Espumoso, Rio Grande do Sul, is reported by Companhia Riograndense De Saneamento at 53.8 milligrams per litre, which counts as soft. Readings across the supply span 36.9 to 206.6 milligrams per litre, so hardness can differ a lot between samples. The figures come from the 2026 Ministry of Health SISAGUA data.
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 | 54 mg/L |
|---|---|
| Utility | Companhia Riograndense De Saneamento |
How Espumoso compares
- Tap water in Espumoso is 27 % harder than the median of the 1915 cities we track in Brazil (43 mg/L).
- By hardness it ranks 723 of 1915 in Brazil (1 = hardest); 62 % of these cities have softer water.
- In Rio Grande do Sul it is number 145 of 244 cities; the regional median is 60 mg/L.
- Nearest city with clearly softer water: Campos Borges, 16 km away (43 mg/L).
- Nearest city with clearly harder water: Tapera, 21 km away (78 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 Espumoso
| 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 Espumoso water hard or soft?
It is soft: 54 mg/L as CaCO₃ (3.1 gpg, 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 Espumoso 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 Espumoso water?
3.1 gpg, equal to 3 °dH, 5.4 °fH or 54 mg/L calcium carbonate.
What dishwasher salt setting should I use in Espumoso?
For 54 mg/L (3 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Espumoso?
No. With soft water a softener adds nothing.
Source
Source: Ministério da Saúde, SISAGUA – controle semestral (Companhia Riograndense De Saneamento), CC BY-ND 3.0 (2026). Method: figure published by the water supplier. Ministério da Saúde, SISAGUA – controle semestral (Companhia Riograndense De Saneamento), CC BY-ND 3.0 · Outdated figure? Tell us