Water Hardness and Quality in Old Town
Supplied by Severn Trent Water · Stratford-on-Avon Zone 11
Old Town has very hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Old Town
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 Old Town
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
Old Town 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 Old Town?▾
Yes, Old Town 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 Old Town tap water safe to drink?▾
Yes, tap water in Old Town 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 Old Town?▾
The water hardness in Old Town 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 Old Town?▾
Water in Old Town 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.