Water Hardness and Quality in Knighton
Supplied by Severn Trent Water · Leicester Zone 13
Knighton has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Knighton
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
227.2mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.21pH units
UK Average: 7.43 pH unitsWell Below Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.12mg/l
UK Average: 0.45 mg/lWell Below Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
9.91mg/l
UK Average: 16.9 mg/lBelow Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
1.09µg/l
UK Average: 1.08 µg/lWell Above Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.2mg/l
UK Average: 0.19 mg/lWell Above Average
LowAverageHigh
Water Hardness in Knighton
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
227.2mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Knighton has hard water at 227.2 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
- Leicester Zone 13
- Source Type
- Groundwater
- Treatment Works
- Leicestershire Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Severn Trent Water
Frequently Asked Questions
Is the water hard in Knighton?▾
Yes, Knighton has hard water at 227.2 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Knighton tap water safe to drink?▾
Yes, tap water in Knighton 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 Knighton?▾
The water hardness in Knighton is 227.2 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Knighton?▾
Water in Knighton is supplied by Severn Trent Water, which serves the West Midlands region. The water comes from underground aquifers and is treated at Leicestershire Treatment Works.