Water Hardness and Quality in Duke's
Supplied by United Utilities · Duke's
Duke's has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Duke's
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
298.8mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.99pH units
UK Average: 7.43 pH unitsWell Above Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.46mg/l
UK Average: 0.45 mg/lAverage
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
7.96mg/l
UK Average: 16.9 mg/lBelow Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.55µg/l
UK Average: 1.08 µg/lAverage
LowAverageHigh
Water Hardness in Duke's
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
298.8mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Duke's has hard water at 298.8 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
- United Utilities
- Supply Zone
- Duke's
- Source Type
- Groundwater
- Treatment Works
- Sefton Treatment Works
- Last Tested
- 2024-12-31
- Data Source
- United Utilities
Frequently Asked Questions
Is the water hard in Duke's?▾
Yes, Duke's has hard water at 298.8 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Duke's tap water safe to drink?▾
Yes, tap water in Duke's is safe to drink. It is treated and tested by United Utilities and meets all UK Drinking Water Inspectorate standards. All tested parameters are within regulatory limits.
What is the water hardness in Duke's?▾
The water hardness in Duke's is 298.8 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Duke's?▾
Water in Duke's is supplied by United Utilities, which serves the North West England region. The water comes from underground aquifers and is treated at Sefton Treatment Works.