Water hardness in Charqueada
53 mg/L soft
Tap water in Charqueada is soft: 53 mg/L (3.1 gpg · 3 °dH · 5.3 °fH).
Source: Ministério da Saúde, SISAGUA – controle semestral (Companhia De Saneamento Basico Do Estado De Sao Paulo), CC BY-ND 3.0 (2025) · data checked 2026-10-20
Range across supply zones: 26–80 mg/L.
Charqueada, in São Paulo state, is supplied by Companhia De Saneamento Basico Do Estado De Sao Paulo. The reported hardness is 53.0 milligrams per litre as calcium carbonate, which is soft, with readings from 26.0 to 80.0. The figure is from the Ministry of Health's 2025 data, and the upper readings reach the moderate band.
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 | 53 mg/L |
|---|---|
| Utility | Companhia De Saneamento Basico Do Estado De Sao Paulo |
How Charqueada compares
- Tap water in Charqueada is 25 % harder than the median of the 1915 cities we track in Brazil (43 mg/L).
- By hardness it ranks 733 of 1915 in Brazil (1 = hardest); 61 % of these cities have softer water.
- In São Paulo it is number 196 of 530 cities; the regional median is 42 mg/L.
- Nearest city with clearly softer water: Rio Claro, 19 km away (42 mg/L).
- Nearest city with clearly harder water: Piracicaba, 23 km away (76 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 Charqueada
| 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 Charqueada water hard or soft?
It is soft: 53 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 Charqueada 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 Charqueada water?
3.1 gpg, equal to 3 °dH, 5.3 °fH or 53 mg/L calcium carbonate.
What dishwasher salt setting should I use in Charqueada?
For 53 mg/L (3 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Charqueada?
No. With soft water a softener adds nothing.
Source
Source: Ministério da Saúde, SISAGUA – controle semestral (Companhia De Saneamento Basico Do Estado De Sao Paulo), CC BY-ND 3.0 (2025). Method: figure published by the water supplier. Ministério da Saúde, SISAGUA – controle semestral (Companhia De Saneamento Basico Do Estado De Sao Paulo), CC BY-ND 3.0 · Outdated figure? Tell us