Water Hardness and Quality in The Leys
Supplied by Severn Trent Water · Derbyshire Dales Zone 1
The Leys has moderately soft water with quality that meets all UK drinking water standards.
Check a specific postcode in The Leys
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
67.9mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Below Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.9pH units
UK Average: 7.43 pH unitsWell Above Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.34mg/l
UK Average: 0.45 mg/lBelow Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
6.69mg/l
UK Average: 16.9 mg/lBelow Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.19µg/l
UK Average: 1.08 µg/lWell Below Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.08mg/l
UK Average: 0.19 mg/lBelow Average
LowAverageHigh
Water Hardness in The Leys
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
67.9mg/l CaCO₃Moderately Soft
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
The Leys has soft water. This means less limescale buildup in your appliances, less soap needed for cleaning, and generally fewer issues with mineral deposits. You are unlikely to need a water softener.
Water Source Information
- Water Company
- Severn Trent Water
- Supply Zone
- Derbyshire Dales Zone 1
- Source Type
- Reservoir
- Treatment Works
- Derby Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Severn Trent Water
Frequently Asked Questions
Is the water hard in The Leys?▾
No, The Leys has soft water at just 67.9 mg/l CaCO₃. You are unlikely to experience significant limescale issues.
Is The Leys tap water safe to drink?▾
Yes, tap water in The Leys 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 The Leys?▾
The water hardness in The Leys is 67.9 mg/l CaCO₃, which is classified as "Moderately Soft". This is below the UK national average of 170 mg/l.
Who supplies water to The Leys?▾
Water in The Leys is supplied by Severn Trent Water, which serves the West Midlands region. The water comes from upland reservoirs and is treated at Derby Treatment Works.