Water hardness in Haukipudas
2.7 °dH soft
Tap water in Haukipudas is soft: 2.7 °dH (48 mg/L · 2.8 gpg · 4.8 °fH).
Source: Oulun Vesi (City of Oulu), Haukiputaan verkostoveden viranomaistarkkailun tulokset (2026-09) · data checked 2026-11-05
Haukipudas is covered by Oulun Vesi. Its September 2026 sheet for the Haukipudas network, area Keiska Jokelantie, prints a mean of 0.48 mmol/L (2.7 °dH) and a minimum of 0.41 mmol/L. That is a separate sheet from the Kanta-Oulu network used for Oulu. The water is soft, and limescale is rarely a problem.
Finnish waterworks report hardness in °dH; most supplies are soft.
Water data
| Total hardness | 2.7 °dH |
|---|---|
| Utility | Oulun Vesi (City of Oulu) |
How Haukipudas compares
- Tap water in Haukipudas is 22 % softer than the median of the 76 cities we track in Finland (3.5 °dH).
- By hardness it ranks 63 of 76 in Finland (1 = hardest); 17 % of these cities have softer water.
- Nearest city with clearly harder water: Ii, 16 km away (4.4 °dH).
Ranking of the hardest and softest water in Finland →
What it means at home
- Little or no limescale in kettles, water heaters or washing machines.
- Soap lathers easily; water does not dry skin or hair.
- Dishwasher: salt setting at minimum or off.
- No softener needed; a jug filter only changes taste.
How much salt will you use for softening?
No. Water this soft does not need softening.
Descale a coffee machine or kettle about every 6 months (typical manufacturer guidance for this hardness).
Estimates for planning, not a quote. Check your appliance manual for exact settings.
Dishwasher setting in Haukipudas
| Brand | Setting for this water |
|---|---|
| Bosch | H00 |
| Miele | 3 °dH |
| AEG / Electrolux | 1 |
| Beko | 1st |
| Hoover | S0 |
| LG | H0 |
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 Haukipudas water hard or soft?
It is soft: 48 mg/L as CaCO₃ (2.8 gpg, 2.7 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Haukipudas safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Finnish waterworks report hardness in °dH; most supplies are soft.
How many grains per gallon is Haukipudas water?
2.8 gpg, equal to 2.7 °dH, 4.8 °fH or 48 mg/L calcium carbonate.
What dishwasher salt setting should I use in Haukipudas?
For 48 mg/L (2.7 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Haukipudas?
No. With soft water a softener adds nothing.
Source
Source: Oulun Vesi (City of Oulu), Haukiputaan verkostoveden viranomaistarkkailun tulokset (2026-09). Method: figure published by the water supplier. Oulun Vesi (City of Oulu), Haukiputaan verkostoveden viranomaistarkkailun tulokset · Outdated figure? Tell us