Water Hardness in Lee
Lee has hard water at 279 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.
279
mg/l CaCO₃
HardUK average: 197.72 mg/l
279
0 (Soft)200 (Hard)400+ (Very Hard)
What Does Hard Water Mean?
With a hardness of 279 mg/l, Lee 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
- Thames Water
- Supply Zone
- Lewisham South (SLE43)
- Source Type
- River
- Treatment Works
- Lewisham South Treatment Works
Full Water Quality Report for Lee
See all 8 water quality parameters including pH, chlorine, lead, nitrate, fluoride and more.
Frequently Asked Questions
Is water hard in Lee?▾
Yes, Lee has hard water at 279 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 Lee?▾
The water hardness in Lee is 279 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 Thames Water from river sources.
Who supplies water to Lee?▾
Water in Lee is supplied by Thames Water, which covers the London and Thames Valley region. The water is sourced from river abstraction and treated at Lewisham South Treatment Works before distribution.