Water Hardness Atlas ZIP / postcode

Water hardness in Ballyclare

124 mg/L hard

Tap water in Ballyclare is hard: 124 mg/L (7.2 gpg · 6.9 °dH · 12.4 °fH).

<6060–120120–180>180 mg/L

Source: NI Water, customer tap results 2024,2025 (OpenDataNI, OGL v3.0) (2025-12) · data checked 2026-10-20

Range across supply zones: 87–160 mg/L.

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

Water data

Total hardness124 mg/L
UtilityNorthern Ireland Water

How Ballyclare 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?

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 Ballyclare

BrandSetting for this water
BoschH01
Miele7 °dH
AEG / Electrolux2
Beko2nd
HooverS1
LGH2

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 Ballyclare water hard or soft?

It is hard: 124 mg/L as CaCO₃ (7.2 gpg, 6.9 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Ballyclare 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 Ballyclare water?

7.2 gpg, equal to 6.9 °dH, 12.4 °fH or 124 mg/L calcium carbonate.

What dishwasher salt setting should I use in Ballyclare?

For 124 mg/L (6.9 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Ballyclare?

Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.

Source

Source: NI Water, customer tap results 2024,2025 (OpenDataNI, OGL v3.0) (2025-12). Method: own measurement. NI Water, customer tap results 2024,2025 (OpenDataNI, OGL v3.0) · Outdated figure? Tell us

Nearby cities

Doagh87 mg/LCarnmoney152 mg/LTemplepatrick159 mg/LGreenisland147 mg/LJordanstown147 mg/LNewtownabbey147 mg/L
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