Adwick le Street Water Hardness & Quality Report (2026)
Water Hardness
7.5°Clark10.8°fH6°dH
Source
mixed
pH Level
8.2
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
459.2 mg/L
Est. Daily Cost
£0.24
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 Adwick le Street, your appliances are currently losing 14% efficiency due to mineral buildup.
| Appliance | In Adwick le Street | 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 Adwick le Street compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Adwick le Street, Yorkshire and the Humber | 107.6 mg/L | 7.5° | 🟡 Slightly Hard | mixed |
| Bentley, Yorkshire and the Humber | 107.6 mg/L | 7.5° | 🟡 Slightly Hard | mixed |
| Doncaster, Yorkshire and the Humber | 109.3 mg/L | 7.7° | 🟡 Slightly Hard | mixed |
| South Elmsall, Yorkshire and the Humber | 108.7 mg/L | 7.6° | 🟡 Slightly Hard | mixed |
| Conisbrough, Yorkshire and the Humber | 107.6 mg/L | 7.5° | 🟡 Slightly Hard | mixed |
National Benchmark
How Adwick le Street compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Adwick le Street | 107.6 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 Adwick le Street home
Shop water softeners on Amazon.co.uk →
What Makes Adwick le Street's Water Unique?
Local geology and source profile
Yorkshire Water supplies Adwick le Street and Carcroft, located in the Doncaster area of South Yorkshire. This regional utility draws its water from underground aquifer sources, primarily chalk and limestone formations. Yorkshire Water manages local treatment facilities where the abstracted groundwater is processed before distribution to residents throughout its extensive service area. The supply originates from these local groundwater aquifers, with geological influences from the western Pennine Chain watershed. Key rock formations include Cretaceous chalk and Jurassic limestone, both significant contributors to the region's aquifers.
This area’s geology is defined by Cretaceous chalk and Jurassic limestone formations. These sedimentary rocks, rich in carbonate minerals, naturally dissolve calcium and magnesium ions as rainwater percolates through them. This process is what gives the groundwater its characteristically hard profile, a common trait for eastern Yorkshire groundwater sources. The elevated mineral content distinguishes this region from areas with softer water supplies found elsewhere in northern England.
Homeowners in this area will likely notice limescale deposits forming on fixtures like taps, inside kettles, and around showerheads. This buildup can impact the efficiency and longevity of appliances such as boilers, washing machines, and dishwashers. To manage these effects, regular descaling with common household solutions like vinegar or citric acid is effective. Some residents opt for scale filters, while many find a water softener to be the most beneficial solution for protecting plumbing and improving the lathering of soaps and detergents.
Geology & Source: Chalk and limestone aquifers; carbonate-rich rocks dissolve calcium and magnesium, producing hard 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!