Water Hardness and Quality in South Bank
Supplied by Yorkshire Water · Osbaldwick & Derwent (York)
South Bank has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in South Bank
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
293.43mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.22pH units
UK Average: 7.43 pH unitsWell Below Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.1mg/l
UK Average: 0.45 mg/lWell Below Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
20.08mg/l
UK Average: 16.9 mg/lAbove Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.65µg/l
UK Average: 1.08 µg/lAverage
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.09mg/l
UK Average: 0.19 mg/lBelow Average
LowAverageHigh
Water Hardness in South Bank
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
293.43mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
South Bank has hard water at 293.43 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
- Osbaldwick & Derwent (York)
- Source Type
- Mixed
- Treatment Works
- York Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Yorkshire Water
Frequently Asked Questions
Is the water hard in South Bank?▾
Yes, South Bank has hard water at 293.43 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is South Bank tap water safe to drink?▾
Yes, tap water in South Bank 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 South Bank?▾
The water hardness in South Bank is 293.43 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to South Bank?▾
Water in South Bank is supplied by Yorkshire Water, which serves the Yorkshire and the Humber region. The water comes from mixed sources and is treated at York Treatment Works.