Water Hardness and Quality in Halifax
Supplied by Yorkshire Water · Northowram and Shelf (Calderdale)
Halifax has moderately soft water with quality that meets all UK drinking water standards.
Check a specific postcode in Halifax
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
97.21mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Below Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.58pH units
UK Average: 7.43 pH unitsAbove Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.24mg/l
UK Average: 0.45 mg/lWell Below Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
2.48mg/l
UK Average: 16.9 mg/lWell Below Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.41µg/l
UK Average: 1.08 µg/lBelow Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.04mg/l
UK Average: 0.19 mg/lWell Below Average
LowAverageHigh
Water Hardness in Halifax
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
97.21mg/l CaCO₃Moderately Soft
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Halifax 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
- Northowram and Shelf (Calderdale)
- Source Type
- Reservoir
- Treatment Works
- Calderdale Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Yorkshire Water
Frequently Asked Questions
Is the water hard in Halifax?▾
No, Halifax has soft water at just 97.21 mg/l CaCO₃. You are unlikely to experience significant limescale issues.
Is Halifax tap water safe to drink?▾
Yes, tap water in Halifax 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 Halifax?▾
The water hardness in Halifax is 97.21 mg/l CaCO₃, which is classified as "Moderately Soft". This is below the UK national average of 170 mg/l.
Who supplies water to Halifax?▾
Water in Halifax is supplied by Yorkshire Water, which serves the Yorkshire and the Humber region. The water comes from upland reservoirs and is treated at Calderdale Treatment Works.