Water Hardness and Quality in Tarvin
Supplied by United Utilities · Northwich Winnington & Castle
Tarvin has slightly hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Tarvin
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
113.6mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Below Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.33pH units
UK Average: 7.43 pH unitsBelow Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.61mg/l
UK Average: 0.45 mg/lWell Above Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
13.3mg/l
UK Average: 16.9 mg/lAverage
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.55µg/l
UK Average: 1.08 µg/lAverage
LowAverageHigh
Water Hardness in Tarvin
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
113.6mg/l CaCO₃Slightly Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Tarvin 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
- Northwich Winnington & Castle
- Source Type
- Mixed
- Treatment Works
- Cheshire West and Chester Treatment Works
- Last Tested
- 2024-12-31
- Data Source
- United Utilities
Frequently Asked Questions
Is the water hard in Tarvin?▾
Tarvin has moderately hard water at 113.6 mg/l CaCO₃. Some limescale may occur but it is manageable with regular descaling.
Is Tarvin tap water safe to drink?▾
Yes, tap water in Tarvin 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 Tarvin?▾
The water hardness in Tarvin is 113.6 mg/l CaCO₃, which is classified as "Slightly Hard". This is below the UK national average of 170 mg/l.
Who supplies water to Tarvin?▾
Water in Tarvin is supplied by United Utilities, which serves the North West England region. The water comes from mixed sources and is treated at Cheshire West and Chester Treatment Works.