Water hardness in Coazze
5 °fH soft
Tap water in Coazze is soft: 5 °fH (50 mg/L · 2.9 gpg · 2.8 °dH).
Source: SMAT Torino, monitoraggio acque (valori medi), 2026 H1 (2026-06) · data checked 2026-10-20
Italian utilities report °f (French degrees); D.Lgs. 31/2001 recommends 15–50 °f.
Water data
| Total hardness | 5 °fH |
|---|
How Coazze compares
- Tap water in Coazze is 77 % softer than the median of the 629 cities we track in Italy (21.2 °fH).
- By hardness it ranks 600 of 629 in Italy (1 = hardest); 4 % of these cities have softer water.
- In Piemonte it is number 215 of 242 cities; the regional median is 12.3 °fH.
- Nearest city with clearly softer water: Viù, 21 km away (1 °fH).
- Nearest city with clearly harder water: Chiusa di San Michele, 6 km away (14.8 °fH).
Ranking of the hardest and softest water in Italy →
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 Coazze
| 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 Coazze water hard or soft?
It is soft: 50 mg/L as CaCO₃ (2.9 gpg, 2.8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Coazze safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Italian utilities report °f (French degrees); D.Lgs. 31/2001 recommends 15–50 °f.
How many grains per gallon is Coazze water?
2.9 gpg, equal to 2.8 °dH, 5 °fH or 50 mg/L calcium carbonate.
What dishwasher salt setting should I use in Coazze?
For 50 mg/L (2.8 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Coazze?
No. With soft water a softener adds nothing.
Source
Source: SMAT Torino, monitoraggio acque (valori medi), 2026 H1 (2026-06). Method: computed from supplier's calcium and magnesium. SMAT Torino, monitoraggio acque (valori medi), 2026 H1 · Outdated figure? Tell us