Water Hardness and Quality in Ferndown
Supplied by Wessex Water · Poole Town
Ferndown has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Ferndown
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
295.4mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.6pH units
UK Average: 7.43 pH unitsWell Above 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
29.5mg/l
UK Average: 16.9 mg/lWell Above Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
1.1µg/l
UK Average: 1.08 µg/lWell Above Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.11mg/l
UK Average: 0.19 mg/lAverage
LowAverageHigh
Water Hardness in Ferndown
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
295.4mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Ferndown has hard water at 295.4 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
- Wessex Water
- Supply Zone
- Poole Town
- Source Type
- Groundwater
- Treatment Works
- Poole Town Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Wessex Water
Frequently Asked Questions
Is the water hard in Ferndown?▾
Yes, Ferndown has hard water at 295.4 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Ferndown tap water safe to drink?▾
Yes, tap water in Ferndown is safe to drink. It is treated and tested by Wessex Water and meets all UK Drinking Water Inspectorate standards. All tested parameters are within regulatory limits.
What is the water hardness in Ferndown?▾
The water hardness in Ferndown is 295.4 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Ferndown?▾
Water in Ferndown is supplied by Wessex Water, which serves the South West England region. The water comes from underground aquifers and is treated at Poole Town Treatment Works.