Water Hardness and Quality in Castleford
Supplied by Yorkshire Water · Castleford Central and Glasshoughton (Wakefield)
Castleford has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Castleford
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
263.71mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.05pH units
UK Average: 7.43 pH unitsWell Below Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.32mg/l
UK Average: 0.45 mg/lBelow Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
19.13mg/l
UK Average: 16.9 mg/lAverage
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.13µg/l
UK Average: 1.08 µg/lWell Below Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.07mg/l
UK Average: 0.19 mg/lWell Below Average
LowAverageHigh
Water Hardness in Castleford
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
263.71mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Castleford has hard water at 263.71 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
- Castleford Central and Glasshoughton (Wakefield)
- Source Type
- Mixed
- Treatment Works
- Wakefield Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Yorkshire Water
Frequently Asked Questions
Is the water hard in Castleford?▾
Yes, Castleford has hard water at 263.71 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Castleford tap water safe to drink?▾
Yes, tap water in Castleford 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 Castleford?▾
The water hardness in Castleford is 263.71 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Castleford?▾
Water in Castleford is supplied by Yorkshire Water, which serves the Yorkshire and the Humber region. The water comes from mixed sources and is treated at Wakefield Treatment Works.