Water Hardness in Cambridge
Cambridge has very hard water at 300.8 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.
300.8
mg/l CaCO₃
Very HardUK average: 197.72 mg/l
300.8
0 (Soft)200 (Hard)400+ (Very Hard)
What Does Very Hard Water Mean?
With a hardness of 300.8 mg/l, Cambridge has very 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
- United Utilities
- Supply Zone
- Cambridge
- Source Type
- Groundwater
- Treatment Works
- Sefton Treatment Works
Full Water Quality Report for Cambridge
See all 6 water quality parameters including pH, chlorine, lead, nitrate, fluoride and more.
Frequently Asked Questions
Is water hard in Cambridge?▾
Yes, Cambridge has hard water at 300.8 mg/l CaCO₃, classified as "Very 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 Cambridge?▾
The water hardness in Cambridge is 300.8 mg/l CaCO₃ (milligrams per litre of calcium carbonate). This is classified as "Very Hard" on the standard UK scale and is above the national average of 197.72 mg/l. Water is supplied by United Utilities from underground aquifer sources.
Who supplies water to Cambridge?▾
Water in Cambridge is supplied by United Utilities, which covers the North West England region. The water is sourced from underground aquifers (boreholes) and treated at Sefton Treatment Works before distribution.