Water Hardness and Quality in Boston Castle
Supplied by Yorkshire Water · Boston Castle (Rotherham)
Boston Castle has soft water with quality that meets all UK drinking water standards.
Check a specific postcode in Boston Castle
Water Quality Scorecard
pH Level
UK Standard: 6.5 – 9.5
7.18pH units
UK Average: 7.43 pH unitsWell Below Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.21mg/l
UK Average: 0.45 mg/lWell Below Average
LowAverageHigh
Water Hardness in Boston Castle
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
0mg/l CaCO₃Soft
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Boston Castle 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
- Boston Castle (Rotherham)
- Source Type
- Mixed
- Treatment Works
- Rotherham Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Yorkshire Water
Frequently Asked Questions
Is the water hard in Boston Castle?▾
No, Boston Castle has soft water at just 0 mg/l CaCO₃. You are unlikely to experience significant limescale issues.
Is Boston Castle tap water safe to drink?▾
Yes, tap water in Boston Castle 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 Boston Castle?▾
The water hardness in Boston Castle is 0 mg/l CaCO₃, which is classified as "Soft". This is below the UK national average of 170 mg/l.
Who supplies water to Boston Castle?▾
Water in Boston Castle is supplied by Yorkshire Water, which serves the Yorkshire and the Humber region. The water comes from mixed sources and is treated at Rotherham Treatment Works.