Water hardness in Priverno
24.7 °fH very hard
Tap water in Priverno is very hard: 24.7 °fH (247 mg/L · 14.4 gpg · 13.8 °dH).
Source: Acqualatina, qualità dell'acqua per comune (monitoraggio, valori medi) (2026-06) · data checked 2026-10-29
Acqualatina, the water utility for the province of Latina, publishes monitoring results per comune, and its mean value for Priverno is 246.9 mg/L CaCO₃, calculated for June 2026. That is very hard water. Towns nearby on the same network are harder, such as Sezze at 329.0 mg/L and Pontinia at 413.1 mg/L, while Cori is softer at 135.6 mg/L. We have not verified which sources feed Priverno. Expect scale on kettles and water heaters.
Italian utilities report °f (French degrees); D.Lgs. 31/2001 recommends 15–50 °f.
Water data
| Total hardness | 24.7 °fH |
|---|
How Priverno compares
- Tap water in Priverno is 16 % harder than the median of the 629 cities we track in Italy (21.2 °fH).
- By hardness it ranks 236 of 629 in Italy (1 = hardest); 63 % of these cities have softer water.
- In Lazio it is number 32 of 54 cities; the regional median is 27.2 °fH.
- Nearest city with clearly softer water: Cori, 29 km away (13.6 °fH).
- Nearest city with clearly harder water: Sezze, 10 km away (32.9 °fH).
Ranking of the hardest and softest water in Italy →
What it means at home
- Severe scale: heater elements and washing-machine heaters fail early.
- Detergent use is very high; taps and screens coat within days.
- Dishwasher at maximum salt setting.
- An ion-exchange softener is practically essential; RO for drinking water.
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 Priverno
| Brand | Setting for this water |
|---|---|
| Bosch | H04 |
| Miele | 14 °dH |
| AEG / Electrolux | 3 |
| Beko | 4th |
| Hoover | S2 |
| LG | H3 |
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 Priverno water hard or soft?
It is very hard: 247 mg/L as CaCO₃ (14.4 gpg, 13.8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Priverno 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 Priverno water?
14.4 gpg, equal to 13.8 °dH, 24.7 °fH or 247 mg/L calcium carbonate.
What dishwasher salt setting should I use in Priverno?
For 247 mg/L (13.8 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Priverno?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: Acqualatina, qualità dell'acqua per comune (monitoraggio, valori medi) (2026-06). Method: computed from supplier's calcium and magnesium. Acqualatina, qualità dell'acqua per comune (monitoraggio, valori medi) · Outdated figure? Tell us