Water Hardness and Quality in Ossett
Supplied by Yorkshire Water · Pontefract South (Wakefield)
Ossett has hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Ossett
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
259.21mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.48pH units
UK Average: 7.43 pH unitsAbove Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.07mg/l
UK Average: 0.45 mg/lWell Below Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
19.42mg/l
UK Average: 16.9 mg/lAverage
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.09µg/l
UK Average: 1.08 µg/lWell Below Average
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.07mg/l
UK Average: 0.19 mg/lWell Below Average
LowAverageHigh
Water Hardness in Ossett
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
259.21mg/l CaCO₃Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Ossett has hard water at 259.21 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
- Yorkshire Water
- Supply Zone
- Pontefract South (Wakefield)
- Source Type
- Mixed
- Treatment Works
- Wakefield Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Yorkshire Water
Frequently Asked Questions
Is the water hard in Ossett?▾
Yes, Ossett has hard water at 259.21 mg/l CaCO₃. This is classified as "Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Ossett tap water safe to drink?▾
Yes, tap water in Ossett is safe to drink. It is treated and tested by Yorkshire Water and meets all UK Drinking Water Inspectorate standards. All tested parameters are within regulatory limits.
What is the water hardness in Ossett?▾
The water hardness in Ossett is 259.21 mg/l CaCO₃, which is classified as "Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Ossett?▾
Water in Ossett is supplied by Yorkshire Water, which serves the Yorkshire and the Humber region. The water comes from mixed sources and is treated at Wakefield Treatment Works.