Water hardness in Petreşti
9.5 °dH hard
Tap water in Petreşti is hard: 9.5 °dH (170 mg/L · 9.9 gpg · 17 °fH).
Source: Compania de Apă Târgoviște-Dâmbovița, situația centralizată a parametrilor monitorizați, 2026-09 (2026-09) · data checked 2026-10-29
Compania de Apă Târgoviște-Dâmbovița reports 9.53 °dH for Petreşti from one sampling on 24 September 2026. A single sample shows no range. Limescale appears slowly, and regular descaling is usually enough.
Romanian operators report "duritate totală" in German degrees (grade germane); the minimum is 5 °dH.
Water data
| Total hardness | 9.5 °dH |
|---|---|
| Utility | Compania de Apă Târgoviște-Dâmbovița S.A. |
How Petreşti compares
- Tap water in Petreşti is 42 % softer than the median of the 115 cities we track in Romania (16.3 °dH).
- By hardness it ranks 95 of 115 in Romania (1 = hardest); 18 % of these cities have softer water.
- In Dâmbovița it is number 15 of 21 cities; the regional median is 11 °dH.
- Nearest city with clearly softer water: Brăneşti, 43 km away (6.6 °dH).
- Nearest city with clearly harder water: Mătăsaru, 10 km away (17.4 °dH).
Ranking of the hardest and softest water in Romania →
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 Petreşti
| Brand | Setting for this water |
|---|---|
| Bosch | H02 |
| Miele | 10 °dH |
| AEG / Electrolux | 2 |
| Beko | 3rd |
| 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 Petreşti water hard or soft?
It is hard: 170 mg/L as CaCO₃ (9.9 gpg, 9.5 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Petreşti safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Romanian operators report "duritate totală" in German degrees (grade germane); the minimum is 5 °dH.
How many grains per gallon is Petreşti water?
9.9 gpg, equal to 9.5 °dH, 17 °fH or 170 mg/L calcium carbonate.
What dishwasher salt setting should I use in Petreşti?
For 170 mg/L (9.5 °dH) check your manufacturer's table: level 4–5.
Do I need a water softener in Petreşti?
Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.
Source
Source: Compania de Apă Târgoviște-Dâmbovița, situația centralizată a parametrilor monitorizați, 2026-09 (2026-09). Method: own measurement. Compania de Apă Târgoviște-Dâmbovița, situația centralizată a parametrilor monitorizați, 2026-09 · Outdated figure? Tell us