Water hardness in Água Doce do Norte
8 mg/L soft
Tap water in Água Doce do Norte is soft: 8 mg/L (0.5 gpg · 0.4 °dH · 0.8 °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: 6–12 mg/L.
Água Doce do Norte, in Espírito Santo, is supplied by Companhia Espirito Santense De Saneamento. The reported hardness is 8.0 milligrams per litre as calcium carbonate, which is soft. The 2025 readings range from 6.3 to 11.7 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 | 8 mg/L |
|---|---|
| Utility | Companhia Espirito Santense De Saneamento |
How Água Doce do Norte compares
- Tap water in Água Doce do Norte is 81 % softer than the median of the 1915 cities we track in Brazil (43 mg/L).
- By hardness it ranks 1855 of 1915 in Brazil (1 = hardest); 3 % of these cities have softer water.
- In Espírito Santo it is number 61 of 61 cities; the regional median is 21 mg/L.
- Nearest city with clearly harder water: Nova Belém, 15 km away (59 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 Água Doce do Norte
| 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 Água Doce do Norte water hard or soft?
It is soft: 8 mg/L as CaCO₃ (0.5 gpg, 0.4 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Água Doce do Norte 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 Água Doce do Norte water?
0.5 gpg, equal to 0.4 °dH, 0.8 °fH or 8 mg/L calcium carbonate.
What dishwasher salt setting should I use in Água Doce do Norte?
For 8 mg/L (0.4 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Água Doce do Norte?
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