Water Hardness and Quality in Cayton
Supplied by Yorkshire Water · Cayton (North Yorkshire)
Cayton has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Cayton
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
257.22mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.55pH units
UK Average: 7.43 pH unitsAbove Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.56mg/l
UK Average: 0.45 mg/lAbove Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
16.05mg/l
UK Average: 16.9 mg/lAverage
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.17µg/l
UK Average: 1.08 µg/lWell Below Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.1mg/l
UK Average: 0.19 mg/lAverage
LowAverageHigh
Water Hardness in Cayton
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
257.22mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Cayton has hard water at 257.22 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
- Yorkshire Water
- Supply Zone
- Cayton (North Yorkshire)
- Source Type
- Groundwater
- Treatment Works
- North Yorkshire Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Yorkshire Water
Frequently Asked Questions
Is the water hard in Cayton?▾
Yes, Cayton has hard water at 257.22 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Cayton tap water safe to drink?▾
Yes, tap water in Cayton 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 Cayton?▾
The water hardness in Cayton is 257.22 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Cayton?▾
Water in Cayton is supplied by Yorkshire Water, which serves the Yorkshire and the Humber region. The water comes from underground aquifers and is treated at North Yorkshire Treatment Works.