Water Hardness and Quality in Shrivenham & Ashbury
Supplied by Thames Water · Shrivenham & Ashbury (S37)
Shrivenham & Ashbury has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Shrivenham & Ashbury
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
298mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Above 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
0.33mg/l
UK Average: 0.45 mg/lBelow Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
25mg/l
UK Average: 16.9 mg/lAbove Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
1.1µg/l
UK Average: 1.08 µg/lWell Above Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.1mg/l
UK Average: 0.19 mg/lAverage
LowAverageHigh
Water Hardness in Shrivenham & Ashbury
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
298mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Shrivenham & Ashbury has hard water at 298 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
- Thames Water
- Supply Zone
- Shrivenham & Ashbury (S37)
- Source Type
- Groundwater
- Treatment Works
- Shrivenham & Ashbury Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Thames Water
Frequently Asked Questions
Is the water hard in Shrivenham & Ashbury?▾
Yes, Shrivenham & Ashbury has hard water at 298 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Shrivenham & Ashbury tap water safe to drink?▾
Yes, tap water in Shrivenham & Ashbury is safe to drink. It is treated and tested by Thames Water and meets all UK Drinking Water Inspectorate standards. All tested parameters are within regulatory limits.
What is the water hardness in Shrivenham & Ashbury?▾
The water hardness in Shrivenham & Ashbury is 298 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Shrivenham & Ashbury?▾
Water in Shrivenham & Ashbury is supplied by Thames Water, which serves the London and Thames Valley region. The water comes from underground aquifers and is treated at Shrivenham & Ashbury Treatment Works.