Water hardness in San Benedetto del Tronto
13.5 °fH hard
Tap water in San Benedetto del Tronto is hard: 13.5 °fH (135 mg/L · 7.9 gpg · 7.6 °dH).
Source: ARPAM, Libro bianco sulle acque potabili (dati 2001-2002) (2001) · data checked 2026-10-29
Range across supply zones: 130–140 mg/L.
2 supply zones — hardness varies by neighbourhood; the figure above is the median.
Hardness by district / supply zone
| °fH | mg/L | ||
|---|---|---|---|
| F.P. Viale delle Palme (acquedotto Foce/Sibillini) | 13 | 130 | hard |
| Via del Consolato (Capodacqua-Pescara) | 14 | 140 | hard |
This figure is over 3 years old; hardness may have changed.
The Marche region's drinking water is a mix of Apennine springs and valley groundwater, delivered by the local utilities. We hold a value of 135.0 mg/L CaCO₃ across 2 supply zones, with readings from 130.0 to 140.0 mg/L, which counts as hard water (a 2001 figure that may have changed since). 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 | 13.5 °fH |
|---|---|
| Utility | ARPAM (libro bianco; gestori CIIP/ATAC/etc.) |
How San Benedetto del Tronto compares
- Tap water in San Benedetto del Tronto is 36 % softer than the median of the 629 cities we track in Italy (21.2 °fH).
- By hardness it ranks 468 of 629 in Italy (1 = hardest); 26 % of these cities have softer water.
- In Marche it is number 49 of 50 cities; the regional median is 27 °fH.
- Nearest city with clearly harder water: Martinsicuro, 9 km away (32 °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 San Benedetto del Tronto
| Brand | Setting for this water |
|---|---|
| Bosch | H01 |
| Miele | 8 °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 San Benedetto del Tronto water hard or soft?
It is hard: 135 mg/L as CaCO₃ (7.9 gpg, 7.6 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in San Benedetto del Tronto 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 San Benedetto del Tronto water?
7.9 gpg, equal to 7.6 °dH, 13.5 °fH or 135 mg/L calcium carbonate.
What dishwasher salt setting should I use in San Benedetto del Tronto?
For 135 mg/L (7.6 °dH) check your manufacturer's table: level 4–5.
Do I need a water softener in San Benedetto del Tronto?
Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.
Source
Source: ARPAM, Libro bianco sulle acque potabili (dati 2001-2002) (2001). Method: older figure, source currently unavailable. ARPAM, Libro bianco sulle acque potabili (dati 2001-2002) · Outdated figure? Tell us