Water Hardness and Quality in Wycombe South North & Central
Supplied by Thames Water · Wycombe South North & Central (SWA28)
Wycombe South North & Central has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Wycombe South North & Central
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
292mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.3pH units
UK Average: 7.43 pH unitsBelow Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.58mg/l
UK Average: 0.45 mg/lAbove Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
24mg/l
UK Average: 16.9 mg/lAbove Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.9µg/l
UK Average: 1.08 µg/lAbove Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.11mg/l
UK Average: 0.19 mg/lAverage
LowAverageHigh
Water Hardness in Wycombe South North & Central
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
292mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Wycombe South North & Central has hard water at 292 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
- Wycombe South North & Central (SWA28)
- Source Type
- Groundwater
- Treatment Works
- Wycombe South North & Central Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Thames Water
Frequently Asked Questions
Is the water hard in Wycombe South North & Central?▾
Yes, Wycombe South North & Central has hard water at 292 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Wycombe South North & Central tap water safe to drink?▾
Yes, tap water in Wycombe South North & Central 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 Wycombe South North & Central?▾
The water hardness in Wycombe South North & Central is 292 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Wycombe South North & Central?▾
Water in Wycombe South North & Central is supplied by Thames Water, which serves the London and Thames Valley region. The water comes from underground aquifers and is treated at Wycombe South North & Central Treatment Works.