Kensington Water Hardness & Quality Report (2026)
Water Hardness
~200–300 mg/L
Hardestimated · not lab-verified
Source
mixed
pH Level
8.1
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
362.2 mg/L
Est. Daily Cost
£0.57
energy & soap waste
Source: DWI Data Portal · Updated 2026
0–99
mg/L
Soft
100–149
mg/L
Slightly Hard
150–199
mg/L
Moderately Hard
200–300
mg/L
Hard
300+
mg/L
Very Hard
Appliance Damage Report
In Kensington, your appliances are currently losing 33% efficiency due to mineral buildup.
| Appliance | In Kensington | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5.7 yrs | 8.5 yrs | -33% |
| Washing Machine | 8 yrs | 12 yrs | -33% |
| Water Heater | 10 yrs | 15 yrs | -33% |
Regional Water Comparison
How Kensington compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Kensington, North West | ≈ 200–300 mg/L | 17.5° | 🟠 Hard | mixed |
| Liverpool, North West | ≈ 100–150 mg/L | 2.5° | 🟡 Slightly Hard | reservoir |
| Dingle, North West | ≈ 200–300 mg/L | 10.4° | 🟠 Hard | mixed |
| Kirkdale, North West | ≈ 200–300 mg/L | 12.1° | 🟠 Hard | mixed |
| Wavertree, North West | ≈ 0–100 mg/L | 6.2° | 🟢 Soft | mixed |
National Benchmark
How Kensington compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Kensington | ≈ 200–300 mg/L | 🟠 High |
| United Kingdom National Avg | 177 mg/L | 🟡 Moderate |
| Skipton Top Rated | 7.1 mg/L | 🟢 None |
Bring Skipton-quality water to your Kensington home
Shop water softeners on Amazon.co.uk →
What Makes Kensington's Water Unique?
Local geology and source profile
Residents in Kensington receive their water from a blended supply managed by United Utilities. This supply combines water drawn from the Lake District aqueducts with groundwater sourced from the Triassic Sandstone formations. The water undergoes treatment at the Prescot works and other regional facilities across Merseyside before reaching homes.
The geology influencing this supply is a mix of ancient Lake District rocks feeding the aqueducts and the porous Triassic Sandstone yielding groundwater. This combination results in water that registers as moderately hard, around 12.2 degrees Clark. The Triassic Sandstone, known for its mineral content, contributes significantly to the water's hardness.
This moderately hard water can lead to a buildup of scale in appliances like kettles and water heaters over time. You might notice that soap and detergents don't lather quite as readily as they would with softer water. To combat scale, regular descaling of appliances is a good idea. While a whole-house water softener isn't strictly necessary for this level of hardness, it can improve the longevity of plumbing and appliances and make cleaning easier.
Geology & Source: Lake District aqueducts; Triassic Sandstone; moderate hardness
Other North West Water Reports
Report an Issue
Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.
All reports are reviewed by our team. Thank you for supporting data quality!