Water hardness in Gaspar
9 mg/L soft
Tap water in Gaspar is soft: 9 mg/L (0.5 gpg · 0.5 °dH · 0.9 °fH).
Source: Ministério da Saúde, SISAGUA – controle semestral (Samae), CC BY-ND 3.0 (2025) · data checked 2026-10-20
Samae reports 8.7 mg/L CaCO₃ for Gaspar in Santa Catarina, in the 2025 SISAGUA data from the Ministry of Health. That is very soft water. The data give one value and no range, so we cannot say how much it varies between neighbourhoods. Scale buildup should be minor, and a softener is hard to justify at this level.
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 | 9 mg/L |
|---|---|
| Utility | Samae |
How Gaspar compares
- Tap water in Gaspar is 80 % softer than the median of the 1915 cities we track in Brazil (43 mg/L).
- By hardness it ranks 1843 of 1915 in Brazil (1 = hardest); 4 % of these cities have softer water.
- In Santa Catarina it is number 223 of 238 cities; the regional median is 34 mg/L.
- Nearest city with clearly softer water: Ascurra, 39 km away (7 mg/L).
- Nearest city with clearly harder water: Blumenau, 8 km away (21 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 Gaspar
| 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 Gaspar water hard or soft?
It is soft: 9 mg/L as CaCO₃ (0.5 gpg, 0.5 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Gaspar 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 Gaspar water?
0.5 gpg, equal to 0.5 °dH, 0.9 °fH or 9 mg/L calcium carbonate.
What dishwasher salt setting should I use in Gaspar?
For 9 mg/L (0.5 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Gaspar?
No. With soft water a softener adds nothing.
Source
Source: Ministério da Saúde, SISAGUA – controle semestral (Samae), CC BY-ND 3.0 (2025). Method: figure published by the water supplier. Ministério da Saúde, SISAGUA – controle semestral (Samae), CC BY-ND 3.0 · Outdated figure? Tell us