Water Hardness and Quality in Combrook

Supplied by Severn Trent Water · Stratford-on-Avon Zone 11

Average

Combrook has very hard water with quality that meets all UK drinking water standards.

Check a specific postcode in Combrook

Water Quality Scorecard

Total Hardness

Guideline: 150+ mg/l is considered hard

377.8mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Above Average
LowAverageHigh

pH Level

UK Standard: 6.5 – 9.5

7.58pH units
UK Average: 7.43 pH unitsAbove Average
LowAverageHigh

Free Chlorine

Guideline: below 1 mg/l

0.31mg/l
UK Average: 0.45 mg/lBelow Average
LowAverageHigh

Nitrate

UK Standard: max 50 mg/l

15.44mg/l
UK Average: 16.9 mg/lAverage
LowAverageHigh

Lead

UK Standard: max 10 µg/l

0.14µg/l
UK Average: 1.08 µg/lWell Below Average
LowAverageHigh

Fluoride

UK Standard: max 1.5 mg/l

0.43mg/l
UK Average: 0.19 mg/lWell Above Average
LowAverageHigh

Water Hardness in Combrook

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

377.8mg/l CaCO₃Very Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard

Combrook has hard water at 377.8 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
Severn Trent Water
Supply Zone
Stratford-on-Avon Zone 11
Source Type
Groundwater
Treatment Works
Warwickshire Treatment Works
Last Tested
2025-12-31
Data Source
Severn Trent Water

Frequently Asked Questions

Is the water hard in Combrook?
Yes, Combrook has hard water at 377.8 mg/l CaCO₃. This is classified as "Very Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Combrook tap water safe to drink?
Yes, tap water in Combrook is safe to drink. It is treated and tested by Severn Trent Water and meets all UK Drinking Water Inspectorate standards. All tested parameters are within regulatory limits.
What is the water hardness in Combrook?
The water hardness in Combrook is 377.8 mg/l CaCO₃, which is classified as "Very Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Combrook?
Water in Combrook is supplied by Severn Trent Water, which serves the West Midlands region. The water comes from underground aquifers and is treated at Warwickshire Treatment Works.
Disclaimer: Water quality data is sourced from Severn Trent Water and may not reflect real-time conditions. For health or medical decisions, please contact Severn Trent Water directly or consult the Drinking Water Inspectorate at dwi.gov.uk. Data last updated: 2025-12-31.