Water Hardness and Quality in Knaresborough
Supplied by Yorkshire Water · Norton (North Yorkshire)
Knaresborough has soft water with quality that meets all UK drinking water standards.
Check a specific postcode in Knaresborough
Water Quality Scorecard
pH Level
UK Standard: 6.5 – 9.5
7.37pH units
UK Average: 7.43 pH unitsAverage
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.49mg/l
UK Average: 0.45 mg/lAverage
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
14mg/l
UK Average: 16.9 mg/lAverage
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.24µg/l
UK Average: 1.08 µg/lWell Below Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.09mg/l
UK Average: 0.19 mg/lBelow Average
LowAverageHigh
Water Hardness in Knaresborough
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
0mg/l CaCO₃Soft
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Knaresborough 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
- Yorkshire Water
- Supply Zone
- Norton (North Yorkshire)
- Source Type
- Mixed
- Treatment Works
- North Yorkshire Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Yorkshire Water
Frequently Asked Questions
Is the water hard in Knaresborough?▾
No, Knaresborough has soft water at just 0 mg/l CaCO₃. You are unlikely to experience significant limescale issues.
Is Knaresborough tap water safe to drink?▾
Yes, tap water in Knaresborough is safe to drink. It is treated and tested by Yorkshire Water and meets all UK Drinking Water Inspectorate standards. All tested parameters are within regulatory limits.
What is the water hardness in Knaresborough?▾
The water hardness in Knaresborough is 0 mg/l CaCO₃, which is classified as "Soft". This is below the UK national average of 170 mg/l.
Who supplies water to Knaresborough?▾
Water in Knaresborough is supplied by Yorkshire Water, which serves the Yorkshire and the Humber region. The water comes from mixed sources and is treated at North Yorkshire Treatment Works.