Water Hardness in South East Holderness

South East Holderness has hard water at 203.77 mg/l CaCO₃. This is close to the UK national average of 197.72 mg/l. You may notice limescale buildup on taps, in kettles, and around showerheads.

203.77

mg/l CaCO₃

HardUK average: 197.72 mg/l
203.77
0 (Soft)200 (Hard)400+ (Very Hard)

What Does Hard Water Mean?

With a hardness of 203.77 mg/l, South East Holderness 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
Yorkshire Water
Supply Zone
South East Holderness (East Riding of Yorkshire)
Source Type
Groundwater
Treatment Works
East Riding of Yorkshire Treatment Works

Full Water Quality Report for South East Holderness

See all 7 water quality parameters including pH, chlorine, lead, nitrate, fluoride and more.

View →

Frequently Asked Questions

Is water hard in South East Holderness?
Yes, South East Holderness has hard water at 203.77 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 South East Holderness?
The water hardness in South East Holderness is 203.77 mg/l CaCO₃ (milligrams per litre of calcium carbonate). This is classified as "Hard" on the standard UK scale and is close to the national average of 197.72 mg/l. Water is supplied by Yorkshire Water from underground aquifer sources.
Who supplies water to South East Holderness?
Water in South East Holderness is supplied by Yorkshire Water, which covers the Yorkshire and the Humber region. The water is sourced from underground aquifers (boreholes) and treated at East Riding of Yorkshire Treatment Works before distribution.
Check another postcode →Browse all hard water areas →