Water Hardness Atlas ZIP / postcode

Water hardness in Montemurlo

13 °fH hard

Tap water in Montemurlo is hard: 13 °fH (130 mg/L · 7.6 gpg · 7.3 °dH).

<6060–120120–180>180 mg/L

Source: Publiacqua - Qualità dell acqua per comune (2026) · data checked 2026-10-29

Publiacqua reports 130 mg/L CaCO₃ (13 °f) for Montemurlo in its 2026 water quality page. This falls in the hard category. It is lower than nearby Publiacqua towns such as Sesto Fiorentino, but limescale still forms on heating elements over time.

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

Water data

Total hardness13 °fH
ca_mg_l41
mg_mg_l5
UtilityPubliacqua SpA

How Montemurlo compares

Ranking of the hardest and softest water in Italy →

What it means at home

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 Montemurlo

BrandSetting for this water
BoschH01
Miele7 °dH
AEG / Electrolux2
Beko2nd
HooverS1
LGH2

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 Montemurlo water hard or soft?

It is hard: 130 mg/L as CaCO₃ (7.6 gpg, 7.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Montemurlo 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 Montemurlo water?

7.6 gpg, equal to 7.3 °dH, 13 °fH or 130 mg/L calcium carbonate.

What dishwasher salt setting should I use in Montemurlo?

For 130 mg/L (7.3 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Montemurlo?

Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.

Source

Source: Publiacqua - Qualità dell acqua per comune (2026). Method: figure published by the water supplier. Publiacqua - Qualità dell acqua per comune · Outdated figure? Tell us

Nearby cities

Agliana17 °fHCampi Bisenzio27 °fHSesto Fiorentino38 °fHScandicci33 °fHColle di Val d'Elsa36 °fHSiena23 °fH
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