Water Hardness and Quality in Church Lammas

Supplied by Affinity Water · Staines (AF086)

Average

Church Lammas has hard water with quality that meets all UK drinking water standards.

Check a specific postcode in Church Lammas

Water Quality Scorecard

Total Hardness

Guideline: 150+ mg/l is considered hard

295mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Above Average
LowAverageHigh

pH Level

UK Standard: 6.5 – 9.5

7.2pH units
UK Average: 7.43 pH unitsWell Below Average
LowAverageHigh

Free Chlorine

Guideline: below 1 mg/l

0.62mg/l
UK Average: 0.45 mg/lWell Above Average
LowAverageHigh

Nitrate

UK Standard: max 50 mg/l

30.4mg/l
UK Average: 16.9 mg/lWell Above Average
LowAverageHigh

Lead

UK Standard: max 10 µg/l

0.67µg/l
UK Average: 1.08 µg/lAverage
LowAverageHigh

Fluoride

UK Standard: max 1.5 mg/l

0.124mg/l
UK Average: 0.19 mg/lAverage
LowAverageHigh

Water Hardness in Church Lammas

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

295mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard

Church Lammas has hard water at 295 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
Affinity Water
Supply Zone
Staines (AF086)
Source Type
Groundwater
Treatment Works
Staines Treatment Works
Last Tested
2025-12-31
Data Source
Affinity Water

Frequently Asked Questions

Is the water hard in Church Lammas?
Yes, Church Lammas has hard water at 295 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Church Lammas tap water safe to drink?
Yes, tap water in Church Lammas is safe to drink. It is treated and tested by Affinity Water and meets all UK Drinking Water Inspectorate standards. All tested parameters are within regulatory limits.
What is the water hardness in Church Lammas?
The water hardness in Church Lammas is 295 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Church Lammas?
Water in Church Lammas is supplied by Affinity Water, which serves the South East England region. The water comes from underground aquifers and is treated at Staines Treatment Works.
Disclaimer: Water quality data is sourced from Affinity Water and may not reflect real-time conditions. For health or medical decisions, please contact Affinity Water directly or consult the Drinking Water Inspectorate at dwi.gov.uk. Data last updated: 2025-12-31.