Water Hardness and Quality in Windmill Hill
Supplied by Severn Trent Water · Wychavon Zone 20
Windmill Hill has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Windmill Hill
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
215.8mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.44pH units
UK Average: 7.43 pH unitsAverage
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.26mg/l
UK Average: 0.45 mg/lWell Below Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
27.39mg/l
UK Average: 16.9 mg/lWell Above Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.16µg/l
UK Average: 1.08 µg/lWell Below Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.11mg/l
UK Average: 0.19 mg/lAverage
LowAverageHigh
Water Hardness in Windmill Hill
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
215.8mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Windmill Hill has hard water at 215.8 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
- Wychavon Zone 20
- Source Type
- Mixed
- Treatment Works
- Worcestershire Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Severn Trent Water
Frequently Asked Questions
Is the water hard in Windmill Hill?▾
Yes, Windmill Hill has hard water at 215.8 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Windmill Hill tap water safe to drink?▾
Yes, tap water in Windmill Hill 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 Windmill Hill?▾
The water hardness in Windmill Hill is 215.8 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Windmill Hill?▾
Water in Windmill Hill is supplied by Severn Trent Water, which serves the West Midlands region. The water comes from mixed sources and is treated at Worcestershire Treatment Works.