Water Hardness and Quality in Nuneaton
Supplied by Severn Trent Water · Nuneaton and Bedworth Zone 2
Nuneaton has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Nuneaton
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
259.3mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.2pH units
UK Average: 7.43 pH unitsWell Below Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.21mg/l
UK Average: 0.45 mg/lWell Below Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
13.23mg/l
UK Average: 16.9 mg/lAverage
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.17µg/l
UK Average: 1.08 µg/lWell Below Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.55mg/l
UK Average: 0.19 mg/lWell Above Average
LowAverageHigh
Water Hardness in Nuneaton
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
259.3mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Nuneaton has hard water at 259.3 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
- Severn Trent Water
- Supply Zone
- Nuneaton and Bedworth Zone 2
- Source Type
- Groundwater
- Treatment Works
- Warwickshire Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Severn Trent Water
Frequently Asked Questions
Is the water hard in Nuneaton?▾
Yes, Nuneaton has hard water at 259.3 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Nuneaton tap water safe to drink?▾
Yes, tap water in Nuneaton is safe to drink. It is treated and tested by Severn Trent Water and meets all UK Drinking Water Inspectorate standards. All tested parameters are within regulatory limits.
What is the water hardness in Nuneaton?▾
The water hardness in Nuneaton is 259.3 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Nuneaton?▾
Water in Nuneaton is supplied by Severn Trent Water, which serves the West Midlands region. The water comes from underground aquifers and is treated at Warwickshire Treatment Works.