Water Hardness and Quality in Osbaldwick
Supplied by Yorkshire Water · Fishergate (York)
Osbaldwick has very hard water with quality that meets all UK drinking water standards.
Check a specific postcode in Osbaldwick
Water Quality Scorecard
Total Hardness
Guideline: 150+ mg/l is considered hard
302.17mg/l CaCO₃
UK Average: 197.72 mg/l CaCO₃Well Above Average
LowAverageHigh
pH Level
UK Standard: 6.5 – 9.5
7.03pH units
UK Average: 7.43 pH unitsWell Below Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.15mg/l
UK Average: 0.45 mg/lWell Below Average
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
21.59mg/l
UK Average: 16.9 mg/lAbove Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.64µg/l
UK Average: 1.08 µg/lAverage
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.06mg/l
UK Average: 0.19 mg/lWell Below Average
LowAverageHigh
Water Hardness in Osbaldwick
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
302.17mg/l CaCO₃Very Hard
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Osbaldwick has hard water at 302.17 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
- Fishergate (York)
- Source Type
- Mixed
- Treatment Works
- York Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Yorkshire Water
Frequently Asked Questions
Is the water hard in Osbaldwick?▾
Yes, Osbaldwick has hard water at 302.17 mg/l CaCO₃. This is classified as "Very Hard" on the standard scale. You may notice limescale buildup in kettles and on taps.
Is Osbaldwick tap water safe to drink?▾
Yes, tap water in Osbaldwick 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 Osbaldwick?▾
The water hardness in Osbaldwick is 302.17 mg/l CaCO₃, which is classified as "Very Hard". This is above the UK national average of 170 mg/l.
Who supplies water to Osbaldwick?▾
Water in Osbaldwick is supplied by Yorkshire Water, which serves the Yorkshire and the Humber region. The water comes from mixed sources and is treated at York Treatment Works.