Water Hardness in Arn Hill
Arn Hill has hard water at 287.3 mg/l CaCO₃. This is above the UK national average of 197.72 mg/l. You may notice limescale buildup on taps, in kettles, and around showerheads.
287.3
mg/l CaCO₃
HardUK average: 197.72 mg/l
287.3
0 (Soft)200 (Hard)400+ (Very Hard)
What Does Hard Water Mean?
With a hardness of 287.3 mg/l, Arn Hill has hard water. This level of hardness is common in areas supplied from chalk and limestone aquifers in the South East of England.
You will likely notice white limescale deposits on taps, showerheads, and inside your kettle. Over time, limescale can reduce the efficiency of boilers and heating systems, increasing energy costs. A water softener can help prevent these issues.
Water Supplier
- Water Company
- Wessex Water
- Supply Zone
- Arn Hill
- Source Type
- Groundwater
- Treatment Works
- Arn Hill Treatment Works
Full Water Quality Report for Arn Hill
See all 7 water quality parameters including pH, chlorine, lead, nitrate, fluoride and more.
Frequently Asked Questions
Is water hard in Arn Hill?▾
Yes, Arn Hill has hard water at 287.3 mg/l CaCO₃, classified as "Hard". You will likely notice limescale buildup on taps, in kettles, and around showerheads. A water softener or regular descaling can help manage this.
What is the hardness of water in Arn Hill?▾
The water hardness in Arn Hill is 287.3 mg/l CaCO₃ (milligrams per litre of calcium carbonate). This is classified as "Hard" on the standard UK scale and is above the national average of 197.72 mg/l. Water is supplied by Wessex Water from underground aquifer sources.
Who supplies water to Arn Hill?▾
Water in Arn Hill is supplied by Wessex Water, which covers the South West England region. The water is sourced from underground aquifers (boreholes) and treated at Arn Hill Treatment Works before distribution.