Water Hardness and Quality in Stratford-on-Avon Zone 12
Supplied by Severn Trent Water · Stratford-on-Avon Zone 12
Stratford-on-Avon Zone 12 has very hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Stratford-on-Avon Zone 12
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
438mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.49pH units
UK Average: 7.43 pH unitsAbove Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.3mg/l
UK Average: 0.45 mg/lBelow Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
9.58mg/l
UK Average: 16.9 mg/lBelow Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.13µg/l
UK Average: 1.08 µg/lWell Below Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.36mg/l
UK Average: 0.19 mg/lWell Above Average
LowAverageHigh
Water Hardness in Stratford-on-Avon Zone 12
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
438mg/l CaCO₃Very Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Stratford-on-Avon Zone 12 has hard water at 438 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 12
- 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 Stratford-on-Avon Zone 12?▾
Yes, Stratford-on-Avon Zone 12 has hard water at 438 mg/l CaCO₃. This is classified as "Very Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Stratford-on-Avon Zone 12 tap water safe to drink?▾
Yes, tap water in Stratford-on-Avon Zone 12 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 Stratford-on-Avon Zone 12?▾
The water hardness in Stratford-on-Avon Zone 12 is 438 mg/l CaCO₃, which is classified as "Very Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Stratford-on-Avon Zone 12?▾
Water in Stratford-on-Avon Zone 12 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.