Water hardness in Marechal Floriano
11 mg/L soft
Tap water in Marechal Floriano is soft: 11 mg/L (0.6 gpg · 0.6 °dH · 1.1 °fH).
Source: Ministério da Saúde, SISAGUA – controle semestral (Companhia Espirito Santense De Saneamento), CC BY-ND 3.0 (2025) · data checked 2026-10-20
Range across supply zones: 10–11 mg/L.
Marechal Floriano, in Espírito Santo, is supplied by Companhia Espírito Santense de Saneamento. The 2025 reported hardness is 10.8 milligrams per litre as calcium carbonate, which is very soft. The range is very tight, from 10.4 to 11.2 milligrams per litre.
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 | 11 mg/L |
|---|---|
| Utility | Companhia Espirito Santense De Saneamento |
How Marechal Floriano compares
- Tap water in Marechal Floriano is 75 % softer than the median of the 1915 cities we track in Brazil (43 mg/L).
- By hardness it ranks 1793 of 1915 in Brazil (1 = hardest); 6 % of these cities have softer water.
- In Espírito Santo it is number 55 of 61 cities; the regional median is 21 mg/L.
- Nearest city with clearly softer water: Divino de São Lourenço, 101 km away (8 mg/L).
- Nearest city with clearly harder water: Alfredo Chaves, 14 km away (38 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 Marechal Floriano
| 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 Marechal Floriano water hard or soft?
It is soft: 11 mg/L as CaCO₃ (0.6 gpg, 0.6 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Marechal Floriano 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 Marechal Floriano water?
0.6 gpg, equal to 0.6 °dH, 1.1 °fH or 11 mg/L calcium carbonate.
What dishwasher salt setting should I use in Marechal Floriano?
For 11 mg/L (0.6 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Marechal Floriano?
No. With soft water a softener adds nothing.
Source
Source: Ministério da Saúde, SISAGUA – controle semestral (Companhia Espirito Santense De Saneamento), CC BY-ND 3.0 (2025). Method: figure published by the water supplier. Ministério da Saúde, SISAGUA – controle semestral (Companhia Espirito Santense De Saneamento), CC BY-ND 3.0 · Outdated figure? Tell us