Bolton upon Dearne Water Hardness & Quality Report (2026)
Water Hardness
7.6°Clark10.9°fH6.1°dH
Source
mixed
pH Level
7.2
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
128.9 mg/L
Est. Daily Cost
£0.25
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 Bolton upon Dearne, your appliances are currently losing 14% efficiency due to mineral buildup.
| Appliance | In Bolton upon Dearne | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6 yrs | 8.5 yrs | -29% |
| Washing Machine | 9.6 yrs | 12 yrs | -20% |
| Water Heater | 11.3 yrs | 15 yrs | -25% |
Regional Water Comparison
How Bolton upon Dearne compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Bolton upon Dearne, Yorkshire and the Humber | 108.5 mg/L | 7.6° | 🟡 Slightly Hard | mixed |
| Wath upon Dearne, Yorkshire and the Humber | 108.5 mg/L | 7.6° | 🟡 Slightly Hard | mixed |
| Mexborough, Yorkshire and the Humber | 108.5 mg/L | 7.6° | 🟡 Slightly Hard | mixed |
| Rawmarsh, Yorkshire and the Humber | 102.5 mg/L | 7.2° | 🟡 Slightly Hard | mixed |
| Wombwell, Yorkshire and the Humber | 110.1 mg/L | 7.7° | 🟡 Slightly Hard | mixed |
National Benchmark
How Bolton upon Dearne compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Bolton upon Dearne | 108.5 mg/L | 🟡 Low |
| United Kingdom National Avg | 177 mg/L | 🟡 Moderate |
| Skipton Top Rated | 7.1 mg/L | 🟢 None |
Bring Skipton-quality water to your Bolton upon Dearne home
Shop water softeners on Amazon.co.uk →
What Makes Bolton upon Dearne's Water Unique?
Local geology and source profile
Bolton upon Dearne is supplied by Yorkshire Water, a major utility serving the Yorkshire and the Humber region. The company utilizes a mixed water strategy, drawing from both surface water sources like rivers and reservoirs, and groundwater. While specific treatment facilities and reservoirs directly serving Bolton upon Dearne were not detailed in the available public information, the utility manages a broad network across the region to provide drinking water to its customers. The company's operations are extensive, covering a diverse geographical area.
The geology beneath Bolton upon Dearne is characterized by Carboniferous millstone grit and coal measures, typical of the South Yorkshire coalfield. This bedrock is largely non-calcareous, meaning it contains fewer minerals like calcium and magnesium that contribute to water hardness. This contrasts with other parts of Yorkshire, such as areas around Hull, Leeds, and Sheffield, which receive harder water supplies from chalk and limestone aquifers. The geological makeup here leans towards softer water characteristics.
Residents in Bolton upon Dearne, being in a soft water area, will likely notice less limescale buildup on household appliances like kettles and shower heads, potentially extending their lifespan and reducing the need for frequent descaling. You'll probably find that soaps and detergents work more efficiently, requiring less product for effective cleaning. While water softeners aren't typically essential for managing scale in this region, some individuals may opt for one based on personal preference. Yorkshire Water monitors various water quality parameters, but specific hardness data for Bolton upon Dearne isn't routinely published.
Geology & Source: Carboniferous millstone grit and coal measures; non-calcareous bedrock yields softer water
Other Yorkshire and the Humber 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!