Water Hardness Atlas ZIP / postcode

Water hardness in Wilsden

67 mg/L moderately hard

Tap water in Wilsden is moderately hard: 67 mg/L (3.9 gpg · 3.7 °dH · 6.7 °fH).

<6060–120120–180>180 mg/L

Source: Yorkshire Water — domestic drinking water quality (Stream open data, CC BY) (2025-10) · data checked 2026-10-20

Range across supply zones: 55–112 mg/L.

UK suppliers report mg/L CaCO₃ and often Clark degrees (1 °Clark = 14.25 mg/L).

Water data

Total hardness67 mg/L
UtilityYorkshire Water

How Wilsden compares

Ranking of the hardest and softest water in the United Kingdom →

What it means at home

How much salt will you use for softening?

Optional. A scale inhibitor or a small softener protects the heater; soap savings are modest.

Descale a coffee machine or kettle about every 3 months (typical manufacturer guidance for this hardness).

Estimates for planning, not a quote. Check your appliance manual for exact settings.

Dishwasher setting in Wilsden

BrandSetting for this water
BoschH00
Miele4 °dH
AEG / Electrolux1
Beko1st
HooverS0
LGH0

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 Wilsden water hard or soft?

It is moderately hard: 67 mg/L as CaCO₃ (3.9 gpg, 3.7 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Wilsden safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. UK suppliers report mg/L CaCO₃ and often Clark degrees (1 °Clark = 14.25 mg/L).

How many grains per gallon is Wilsden water?

3.9 gpg, equal to 3.7 °dH, 6.7 °fH or 67 mg/L calcium carbonate.

What dishwasher salt setting should I use in Wilsden?

For 67 mg/L (3.7 °dH) check your manufacturer's table: level 2–3.

Do I need a water softener in Wilsden?

Not essential; a scale inhibitor protects the heater cheaply.

Source

Source: Yorkshire Water — domestic drinking water quality (Stream open data, CC BY) (2025-10). Method: own measurement. Yorkshire Water — domestic drinking water quality (Stream open data, CC BY) · Outdated figure? Tell us

Nearby cities

Bingley56 mg/LDenholme97 mg/LThornton96 mg/LBaildon49 mg/LHaworth47 mg/LKeighley48 mg/L
Report an outdated or wrong figure