Water Hardness and Quality in Clapton Park
Supplied by Thames Water · Hackney West (NLE26)
Clapton Park has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Clapton Park
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
280mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.8pH units
UK Average: 7.43 pH unitsWell Above Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.78mg/l
UK Average: 0.45 mg/lWell Above Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
27mg/l
UK Average: 16.9 mg/lWell Above Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
1µg/l
UK Average: 1.08 µg/lAbove Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.17mg/l
UK Average: 0.19 mg/lWell Above Average
LowAverageHigh
Water Hardness in Clapton Park
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
280mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Clapton Park has hard water at 280 mg/l. You will likely experience significant limescale buildup in kettles, boilers, and on bathroom surfaces. Many residents in your area use water softeners or anti-limescale products.
Water Source Information
- Water Company
- Thames Water
- Supply Zone
- Hackney West (NLE26)
- Source Type
- River
- Treatment Works
- Hackney West Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Thames Water
Frequently Asked Questions
Is the water hard in Clapton Park?▾
Yes, Clapton Park has hard water at 280 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Clapton Park tap water safe to drink?▾
Yes, tap water in Clapton Park is safe to drink. It is treated and tested by Thames Water and meets all UK Drinking Water Inspectorate standards. All tested parameters are within regulatory limits.
What is the water hardness in Clapton Park?▾
The water hardness in Clapton Park is 280 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Clapton Park?▾
Water in Clapton Park is supplied by Thames Water, which serves the London and Thames Valley region. The water comes from river sources and is treated at Hackney West Treatment Works.