Water Hardness and Quality in Stratford-on-Avon Zone 15
Supplied by Severn Trent Water · Stratford-on-Avon Zone 15
Stratford-on-Avon Zone 15 has very hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Stratford-on-Avon Zone 15
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
309.1mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.43pH units
UK Average: 7.43 pH unitsAverage
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.29mg/l
UK Average: 0.45 mg/lBelow Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
21.36mg/l
UK Average: 16.9 mg/lAbove Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.47µg/l
UK Average: 1.08 µg/lBelow Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.73mg/l
UK Average: 0.19 mg/lWell Above Average
LowAverageHigh
Water Hardness in Stratford-on-Avon Zone 15
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
309.1mg/l CaCO₃Very Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Stratford-on-Avon Zone 15 has hard water at 309.1 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 15
- 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 15?▾
Yes, Stratford-on-Avon Zone 15 has hard water at 309.1 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 15 tap water safe to drink?▾
Yes, tap water in Stratford-on-Avon Zone 15 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 15?▾
The water hardness in Stratford-on-Avon Zone 15 is 309.1 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 15?▾
Water in Stratford-on-Avon Zone 15 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.