Water Hardness and Quality in Whiston
Supplied by Yorkshire Water · Rotherham East (Rotherham)
Whiston has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Whiston
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
251.22mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.2pH units
UK Average: 7.43 pH unitsWell Below Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.3mg/l
UK Average: 0.45 mg/lBelow Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
17.53mg/l
UK Average: 16.9 mg/lAverage
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.12µg/l
UK Average: 1.08 µg/lWell Below Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.06mg/l
UK Average: 0.19 mg/lWell Below Average
LowAverageHigh
Water Hardness in Whiston
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
251.22mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Whiston has hard water at 251.22 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
- Rotherham East (Rotherham)
- Source Type
- Groundwater
- Treatment Works
- Rotherham Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Yorkshire Water
Frequently Asked Questions
Is the water hard in Whiston?▾
Yes, Whiston has hard water at 251.22 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Whiston tap water safe to drink?▾
Yes, tap water in Whiston 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 Whiston?▾
The water hardness in Whiston is 251.22 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Whiston?▾
Water in Whiston is supplied by Yorkshire Water, which serves the Yorkshire and the Humber region. The water comes from underground aquifers and is treated at Rotherham Treatment Works.