Water hardness in Rio Bananal
25 mg/L soft
Tap water in Rio Bananal is soft: 25 mg/L (1.4 gpg · 1.4 °dH · 2.5 °fH).
Source: Ministério da Saúde, SISAGUA – controle semestral (Saae De Rio Bananal), CC BY-ND 3.0 (2025) · data checked 2026-10-20
Range across supply zones: 15–50 mg/L.
Rio Bananal, in Espírito Santo, is served by Saae De Rio Bananal. Reported hardness is 24.5 milligrams per litre as calcium carbonate, which is soft, and readings range from 15.0 to 50.0. The data is from the Ministry of Health's 2025 reporting, so scale build-up is unlikely to be a major concern.
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 | 25 mg/L |
|---|---|
| Utility | Saae De Rio Bananal |
How Rio Bananal compares
- Tap water in Rio Bananal is 42 % softer than the median of the 1915 cities we track in Brazil (43 mg/L).
- By hardness it ranks 1450 of 1915 in Brazil (1 = hardest); 24 % of these cities have softer water.
- In Espírito Santo it is number 27 of 61 cities; the regional median is 21 mg/L.
- Nearest city with clearly softer water: Sooretama, 28 km away (14 mg/L).
- Nearest city with clearly harder water: São Roque do Canaã, 65 km away (41 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 Rio Bananal
| Brand | Setting for this water |
|---|---|
| Bosch | H00 |
| Miele | 1 °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 Rio Bananal water hard or soft?
It is soft: 25 mg/L as CaCO₃ (1.4 gpg, 1.4 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Rio Bananal 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 Rio Bananal water?
1.4 gpg, equal to 1.4 °dH, 2.5 °fH or 25 mg/L calcium carbonate.
What dishwasher salt setting should I use in Rio Bananal?
For 25 mg/L (1.4 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Rio Bananal?
No. With soft water a softener adds nothing.
Source
Source: Ministério da Saúde, SISAGUA – controle semestral (Saae De Rio Bananal), CC BY-ND 3.0 (2025). Method: figure published by the water supplier. Ministério da Saúde, SISAGUA – controle semestral (Saae De Rio Bananal), CC BY-ND 3.0 · Outdated figure? Tell us