Water Hardness Atlas ZIP / postcode

Water hardness in Locate di Triulzi

40.3 °fH very hard

Tap water in Locate di Triulzi is very hard: 40.3 °fH (403 mg/L · 23.5 gpg · 22.5 °dH).

<6060–120120–180>180 mg/L

Source: Gruppo CAP, analisi acquedotto (open data), 2025 Q3–2026 Q2 (2026-05) · data checked 2026-10-20

Range across supply zones: 322–431 mg/L.

Italian utilities report °f (French degrees); D.Lgs. 31/2001 recommends 15–50 °f.

Water data

Total hardness40.3 °fH

How Locate di Triulzi compares

Ranking of the hardest and softest water in Italy →

What it means at home

How much salt will you use for softening?

Yes. At this hardness a softener pays for itself through appliance life and detergent.

Descale a coffee machine or kettle about every 1 months (typical manufacturer guidance for this hardness).

Estimates for planning, not a quote. Check your appliance manual for exact settings.

Dishwasher setting in Locate di Triulzi

BrandSetting for this water
BoschH06
Miele23 °dH
AEG / Electrolux5
Beko6th
HooverS3
LGH4

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 Locate di Triulzi water hard or soft?

It is very hard: 403 mg/L as CaCO₃ (23.5 gpg, 22.5 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Locate di Triulzi 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 Locate di Triulzi water?

23.5 gpg, equal to 22.5 °dH, 40.3 °fH or 403 mg/L calcium carbonate.

What dishwasher salt setting should I use in Locate di Triulzi?

For 403 mg/L (22.5 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Locate di Triulzi?

Yes, unless you are only passing through: scale damages appliances within a few years.

Source

Source: Gruppo CAP, analisi acquedotto (open data), 2025 Q3–2026 Q2 (2026-05). Method: computed from supplier's calcium and magnesium. Gruppo CAP, analisi acquedotto (open data), 2025 Q3–2026 Q2 · Outdated figure? Tell us

Nearby cities

Opera34.9 °fHPieve Emanuele13.6 °fHCarpiano29.7 °fHBasiglio17.4 °fHRozzano19.3 °fHSan Donato Milanese17.9 °fH
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