Water hardness in Settimo Milanese
12.2 °fH hard
Tap water in Settimo Milanese is hard: 12.2 °fH (122 mg/L · 7.1 gpg · 6.8 °dH).
Source: Gruppo CAP, analisi acquedotto (open data), 2025 Q3–2026 Q2 (2026-06) · data checked 2026-10-19
Range across supply zones: 110–296 mg/L.
Settimo Milanese gets its water from the Gruppo CAP network, which draws on wells tapping the aquifer of the Milan plain. Calculated from the utility's readings, hardness is 122.1 mg/L CaCO₃, with readings from 110.1 to 296.2 mg/L, which counts as hard water. Values differ across the area, so check your own address before buying a softener; visible white deposits on taps and shower glass are normal here.
Italian utilities report °f (French degrees); D.Lgs. 31/2001 recommends 15–50 °f.
Water data
| Total hardness | 12.2 °fH |
|---|
How Settimo Milanese compares
- Tap water in Settimo Milanese is 42 % softer than the median of the 629 cities we track in Italy (21.2 °fH).
- By hardness it ranks 486 of 629 in Italy (1 = hardest); 23 % of these cities have softer water.
- In Lombardia it is number 142 of 142 cities; the regional median is 24.9 °fH.
- Nearest city with clearly softer water: Pomaretto, 87 km away (7.5 °fH).
- Nearest city with clearly harder water: Cornaredo, 3 km away (22.8 °fH).
Ranking of the hardest and softest water in Italy →
What it means at home
- Fast scale on taps, shower screens and kettle; white spots on glassware.
- Water heater: efficiency loss and element failures within years if unprotected.
- Dry skin and dull hair after showering are common.
- Softener recommended; jug or reverse osmosis for drinking.
How much salt will you use for softening?
Recommended, especially with a heater or boiler: scale cuts efficiency and shortens its life.
Descale a coffee machine or kettle about every 2 months (typical manufacturer guidance for this hardness).
Estimates for planning, not a quote. Check your appliance manual for exact settings.
Dishwasher setting in Settimo Milanese
| Brand | Setting for this water |
|---|---|
| Bosch | H01 |
| Miele | 7 °dH |
| AEG / Electrolux | 2 |
| Beko | 2nd |
| Hoover | S1 |
| LG | H2 |
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 Settimo Milanese water hard or soft?
It is hard: 122 mg/L as CaCO₃ (7.1 gpg, 6.8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Settimo Milanese 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 Settimo Milanese water?
7.1 gpg, equal to 6.8 °dH, 12.2 °fH or 122 mg/L calcium carbonate.
What dishwasher salt setting should I use in Settimo Milanese?
For 122 mg/L (6.8 °dH) check your manufacturer's table: level 4–5.
Do I need a water softener in Settimo Milanese?
Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.
Source
Source: Gruppo CAP, analisi acquedotto (open data), 2025 Q3–2026 Q2 (2026-06). Method: computed from supplier's calcium and magnesium. Gruppo CAP, analisi acquedotto (open data), 2025 Q3–2026 Q2 · Outdated figure? Tell us