Water Hardness and Quality in Rainhill
Supplied by United Utilities · Rainhill
Rainhill has moderately hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Rainhill
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
169.6mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.46pH units
UK Average: 7.43 pH unitsAverage
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
8.54mg/l
UK Average: 16.9 mg/lBelow Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.79µg/l
UK Average: 1.08 µg/lAbove Average
LowAverageHigh
Water Hardness in Rainhill
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
169.6mg/l CaCO₃Moderately Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Rainhill 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
- Rainhill
- Source Type
- Groundwater
- Treatment Works
- St. Helens Treatment Works
- Last Tested
- 2024-12-31
- Data Source
- United Utilities
Frequently Asked Questions
Is the water hard in Rainhill?▾
Rainhill has moderately hard water at 169.6 mg/l CaCO₃. Some limescale may occur but it is manageable with regular descaling.
Is Rainhill tap water safe to drink?▾
Yes, tap water in Rainhill 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 Rainhill?▾
The water hardness in Rainhill is 169.6 mg/l CaCO₃, which is classified as "Moderately Hard". This is below the UK national average of 170 mg/l.
Who supplies water to Rainhill?▾
Water in Rainhill is supplied by United Utilities, which serves the North West England region. The water comes from underground aquifers and is treated at St. Helens Treatment Works.