Water Hardness and Quality in Woodley
Supplied by Thames Water · Reading East (R22)
Woodley has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Woodley
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
260mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.7pH units
UK Average: 7.43 pH unitsWell Above Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.55mg/l
UK Average: 0.45 mg/lAbove Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
22mg/l
UK Average: 16.9 mg/lAbove Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
4.5µg/l
UK Average: 1.08 µg/lWell Above Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.11mg/l
UK Average: 0.19 mg/lAverage
LowAverageHigh
Water Hardness in Woodley
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
260mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Woodley has hard water at 260 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
- Reading East (R22)
- Source Type
- Mixed
- Treatment Works
- Reading East Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Thames Water
Frequently Asked Questions
Is the water hard in Woodley?▾
Yes, Woodley has hard water at 260 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Woodley tap water safe to drink?▾
Yes, tap water in Woodley 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 Woodley?▾
The water hardness in Woodley is 260 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Woodley?▾
Water in Woodley is supplied by Thames Water, which serves the London and Thames Valley region. The water comes from mixed sources and is treated at Reading East Treatment Works.