Water Hardness and Quality in Prescot
Supplied by United Utilities · Page Moss
Prescot has slightly hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Prescot
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
119.4mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Below Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.38pH units
UK Average: 7.43 pH unitsAverage
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.64mg/l
UK Average: 0.45 mg/lWell Above Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
3.72mg/l
UK Average: 16.9 mg/lWell Below Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.93µg/l
UK Average: 1.08 µg/lAbove Average
LowAverageHigh
Water Hardness in Prescot
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
119.4mg/l CaCO₃Slightly Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Prescot has moderately hard water. You may notice some limescale buildup in your kettle and on taps over time. A regular descaling routine should be sufficient for most households.
Water Source Information
- Water Company
- United Utilities
- Supply Zone
- Page Moss
- Source Type
- Mixed
- Treatment Works
- Knowsley Treatment Works
- Last Tested
- 2024-12-31
- Data Source
- United Utilities
Frequently Asked Questions
Is the water hard in Prescot?▾
Prescot has moderately hard water at 119.4 mg/l CaCO₃. Some limescale may occur but it is manageable with regular descaling.
Is Prescot tap water safe to drink?▾
Yes, tap water in Prescot 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 Prescot?▾
The water hardness in Prescot is 119.4 mg/l CaCO₃, which is classified as "Slightly Hard". This is below the UK national average of 170 mg/l.
Who supplies water to Prescot?▾
Water in Prescot is supplied by United Utilities, which serves the North West England region. The water comes from mixed sources and is treated at Knowsley Treatment Works.