Water Hardness and Quality in Castleton
Supplied by United Utilities · Castleton
Castleton has soft water with quality that meets all UK drinking water standards.
Check a specific postcode in Castleton
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
49mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Below Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.28pH units
UK Average: 7.43 pH unitsBelow Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.94mg/l
UK Average: 0.45 mg/lWell Above Average
LowAverageHigh
Water Hardness in Castleton
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
49mg/l CaCO₃Soft
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Castleton 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
- Castleton
- Source Type
- Reservoir
- Treatment Works
- Rochdale Treatment Works
- Last Tested
- 2024-12-31
- Data Source
- United Utilities
Frequently Asked Questions
Is the water hard in Castleton?▾
No, Castleton has soft water at just 49 mg/l CaCO₃. You are unlikely to experience significant limescale issues.
Is Castleton tap water safe to drink?▾
Yes, tap water in Castleton 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 Castleton?▾
The water hardness in Castleton is 49 mg/l CaCO₃, which is classified as "Soft". This is below the UK national average of 170 mg/l.
Who supplies water to Castleton?▾
Water in Castleton is supplied by United Utilities, which serves the North West England region. The water comes from upland reservoirs and is treated at Rochdale Treatment Works.