Water Hardness and Quality in Aylesbury North

Supplied by Thames Water · Aylesbury North (SWA14)

Average

Aylesbury North has hard water with quality that meets all UK drinking water standards.

Check a specific postcode in Aylesbury North

Water Quality Scorecard

Total Hardness

Guideline: 150+ mg/l is considered hard

289mg/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

0.52mg/l
UK Average: 0.45 mg/lAbove 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

0.9µg/l
UK Average: 1.08 µg/lAbove Average
LowAverageHigh

Fluoride

UK Standard: max 1.5 mg/l

0.12mg/l
UK Average: 0.19 mg/lAverage
LowAverageHigh

Water Hardness in Aylesbury North

Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.

289mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard

Aylesbury North has hard water at 289 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
Aylesbury North (SWA14)
Source Type
Groundwater
Treatment Works
Aylesbury North Treatment Works
Last Tested
2025-12-31
Data Source
Thames Water

Frequently Asked Questions

Is the water hard in Aylesbury North?
Yes, Aylesbury North has hard water at 289 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Aylesbury North tap water safe to drink?
Yes, tap water in Aylesbury North 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 Aylesbury North?
The water hardness in Aylesbury North is 289 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Aylesbury North?
Water in Aylesbury North is supplied by Thames Water, which serves the London and Thames Valley region. The water comes from underground aquifers and is treated at Aylesbury North Treatment Works.
Disclaimer: Water quality data is sourced from Thames Water and may not reflect real-time conditions. For health or medical decisions, please contact Thames Water directly or consult the Drinking Water Inspectorate at dwi.gov.uk. Data last updated: 2025-12-31.