Water Hardness and Quality in Hay Marsh
Supplied by Yorkshire Water · Southcoates (Kingston upon Hull)
Hay Marsh has soft water with quality that meets all UK drinking water standards.
Check a specific postcode in Hay Marsh
Water Quality Scorecard
pH Level
UK Standard: 6.5 – 9.5
7.25pH units
UK Average: 7.43 pH unitsWell Below Average
LowAverageHigh
Free Chlorine
Guideline: below 1 mg/l
0.46mg/l
UK Average: 0.45 mg/lAverage
LowAverageHigh
Nitrate
UK Standard: max 50 mg/l
37.9mg/l
UK Average: 16.9 mg/lWell Above Average
LowAverageHigh
Lead
UK Standard: max 10 µg/l
0.72µg/l
UK Average: 1.08 µg/lAverage
LowAverageHigh
Fluoride
UK Standard: max 1.5 mg/l
0.09mg/l
UK Average: 0.19 mg/lBelow Average
LowAverageHigh
Water Hardness in Hay Marsh
Hardness is the most searched water quality metric. It affects limescale buildup in kettles, boilers, and pipes.
0mg/l CaCO₃Soft
Soft
Mod. Soft
Slightly Hard
Mod. Hard
Hard
Very Hard
Hay Marsh has soft water. This means less limescale buildup in your appliances, less soap needed for cleaning, and generally fewer issues with mineral deposits. You are unlikely to need a water softener.
Water Source Information
- Water Company
- Yorkshire Water
- Supply Zone
- Southcoates (Kingston upon Hull)
- Source Type
- Groundwater
- Treatment Works
- Kingston upon Hull Treatment Works
- Last Tested
- 2025-12-31
- Data Source
- Yorkshire Water
Frequently Asked Questions
Is the water hard in Hay Marsh?▾
No, Hay Marsh has soft water at just 0 mg/l CaCO₃. You are unlikely to experience significant limescale issues.
Is Hay Marsh tap water safe to drink?▾
Yes, tap water in Hay Marsh 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 Hay Marsh?▾
The water hardness in Hay Marsh is 0 mg/l CaCO₃, which is classified as "Soft". This is below the UK national average of 170 mg/l.
Who supplies water to Hay Marsh?▾
Water in Hay Marsh is supplied by Yorkshire Water, which serves the Yorkshire and the Humber region. The water comes from underground aquifers and is treated at Kingston upon Hull Treatment Works.