Water Hardness and Quality in Windermere
Supplied by United Utilities · Windermere and Ambleside
Windermere has soft water with quality that meets all UK drinking water standards.
Check a specific postcode in Windermere
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
37.2mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Below Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.34pH units
UK Average: 7.43 pH unitsBelow Average
LowAverageHigh
Water Hardness in Windermere
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
37.2mg/l CaCO₃Soft
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Windermere 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
- United Utilities
- Supply Zone
- Windermere and Ambleside
- Source Type
- Reservoir
- Treatment Works
- Westmorland and Furness Treatment Works
- Last Tested
- 2024-12-31
- Data Source
- United Utilities
Frequently Asked Questions
Is the water hard in Windermere?▾
No, Windermere has soft water at just 37.2 mg/l CaCO₃. You are unlikely to experience significant limescale issues.
Is Windermere tap water safe to drink?▾
Yes, tap water in Windermere is safe to drink. It is treated and tested by United Utilities and meets all UK Drinking Water Inspectorate standards. All tested parameters are within regulatory limits.
What is the water hardness in Windermere?▾
The water hardness in Windermere is 37.2 mg/l CaCO₃, which is classified as "Soft". This is below the UK national average of 170 mg/l.
Who supplies water to Windermere?▾
Water in Windermere is supplied by United Utilities, which serves the North West England region. The water comes from upland reservoirs and is treated at Westmorland and Furness Treatment Works.