Cleethorpes Water Hardness & Quality Report (2026)
Water Hardness
~200–300 mg/L
Hardestimated · not lab-verified
Source
mixed
pH Level
8.2
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
494.7 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 Cleethorpes, your appliances are currently losing 33% efficiency due to mineral buildup.
| Appliance | In Cleethorpes | 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 Cleethorpes compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Cleethorpes, Yorkshire and the Humber | ≈ 200–300 mg/L | 17.5° | 🟠 Hard | mixed |
| Grimsby, Yorkshire and the Humber | ≈ 200–300 mg/L | 13.3° | 🟠 Hard | mixed |
| Immingham, Yorkshire and the Humber | ≈ 200–300 mg/L | 16.6° | 🟠 Hard | mixed |
| Louth, East Midlands | ≈ 150–200 mg/L | 17.1° | 🟡 Moderately Hard | mixed |
| Hedon, Yorkshire and the Humber | 105.5 mg/L | 7.4° | 🟡 Slightly Hard | mixed |
National Benchmark
How Cleethorpes compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Cleethorpes | ≈ 200–300 mg/L | 🟠 High |
| United Kingdom National Avg | 177 mg/L | 🟡 Moderate |
| Skipton Top Rated | 7.1 mg/L | 🟢 None |
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What Makes Cleethorpes's Water Unique?
Local geology and source profile
Cleethorpes receives its water supply from Anglian Water, drawing from a mix of sources including boreholes tapping the Lincolnshire Chalk Aquifer and the River Humber catchment. The water undergoes treatment before reaching residents' taps. While specific treatment plant names and detailed source breakdowns for Cleethorpes were not available in the provided information, the utility manages a complex network to ensure supply to the North East Lincolnshire coastal area.
The water's characteristics are shaped by the underlying geology of the region. It originates from the Cretaceous Chalk formations found in the Lincolnshire and Yorkshire Wolds. This chalk bedrock is known to impart moderate hardness to the water, with measurements around 12.8°Clark indicating the presence of dissolved minerals absorbed from the rock.
This moderately hard water can lead to the formation of scale in appliances like kettles and water heaters over time, potentially reducing their efficiency. You might notice soap not lathering as readily as with softer water. Regular descaling of appliances can help mitigate these effects. For those sensitive to mineral content or seeking to protect plumbing, a water softener could be considered, though it's not strictly necessary given the moderate hardness level.
Geology & Source: Cretaceous Chalk aquifer; chalk produces moderately hard water
Other Yorkshire and the Humber Water Reports
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