Water Hardness and Quality in Welham
Supplied by Wessex Water · Danesborough
Welham has slightly hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Welham
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
123.5mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Below Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.4pH units
UK Average: 7.43 pH unitsAverage
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.3mg/l
UK Average: 0.45 mg/lBelow Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
5.9mg/l
UK Average: 16.9 mg/lWell Below Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.1µg/l
UK Average: 1.08 µg/lWell Below Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.03mg/l
UK Average: 0.19 mg/lWell Below Average
LowAverageHigh
Water Hardness in Welham
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
123.5mg/l CaCO₃Slightly Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Welham 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
- Wessex Water
- Supply Zone
- Danesborough
- Source Type
- Reservoir
- Treatment Works
- Danesborough Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Wessex Water
Frequently Asked Questions
Is the water hard in Welham?▾
Welham has moderately hard water at 123.5 mg/l CaCO₃. Some limescale may occur but it is manageable with regular descaling.
Is Welham tap water safe to drink?▾
Yes, tap water in Welham is safe to drink. It is treated and tested by Wessex Water and meets all UK Drinking Water Inspectorate standards. All tested parameters are within regulatory limits.
What is the water hardness in Welham?▾
The water hardness in Welham is 123.5 mg/l CaCO₃, which is classified as "Slightly Hard". This is below the UK national average of 170 mg/l.
Who supplies water to Welham?▾
Water in Welham is supplied by Wessex Water, which serves the South West England region. The water comes from upland reservoirs and is treated at Danesborough Treatment Works.