Newcastle under Lyme Water Hardness & Quality Report (2026)
Water Hardness
~150–199 mg/L
Moderately Hardestimated · not lab-verified
Source
mixed
pH Level
7.7
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
257.8 mg/L
Est. Daily Cost
£0.40
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 Newcastle under Lyme, your appliances are currently losing 23% efficiency due to mineral buildup.
| Appliance | In Newcastle under Lyme | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.5 yrs | 8.5 yrs | -24% |
| Washing Machine | 9.2 yrs | 12 yrs | -23% |
| Water Heater | 11.6 yrs | 15 yrs | -23% |
Regional Water Comparison
How Newcastle under Lyme compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Newcastle under Lyme, West Midlands | ≈ 150–199 mg/L | 12.3° | 🟡 Moderately Hard | mixed |
| Stoke-on-Trent, West Midlands | ≈ 200–300 mg/L | 4.2° | 🟠 Hard | reservoir |
| Kidsgrove, West Midlands | ≈ 200–300 mg/L | 11.2° | 🟠 Hard | mixed |
| Longton, West Midlands | ≈ 200–300 mg/L | 13.5° | 🟠 Hard | mixed |
| Alsager, North West | ≈ 200–300 mg/L | 6.4° | 🟠 Hard | mixed |
National Benchmark
How Newcastle under Lyme compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Newcastle under Lyme | ≈ 150–199 mg/L | 🟡 Moderate |
| United Kingdom National Avg | 177 mg/L | 🟡 Moderate |
| Skipton Top Rated | 7.1 mg/L | 🟢 None |
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What Makes Newcastle under Lyme's Water Unique?
Local geology and source profile
Severn Trent Water supplies Newcastle-under-Lyme in Staffordshire, West Midlands, drawing from a mix of surface water and groundwater sources. The water undergoes treatment at the Staffordshire Treatment Works before being sent out to homes and businesses. This utility serves a vast area, covering over 203 postcode districts across the West Midlands. The hardness of the water can fluctuate depending on the specific location within the supply area and the particular source being utilized at any given time.
The region’s geology plays a significant role in the water's composition. The ground beneath Newcastle-under-Lyme is characterized by Carboniferous and Permian sandstones and mudstones, along with other mineral-rich rock layers. As water travels through these underground formations, it naturally picks up minerals like calcium and magnesium. This geological makeup is the primary reason why the water is classified as moderately hard, a common characteristic for supplies in this part of the country.
Homeowners in Newcastle-under-Lyme might notice some limescale buildup in appliances like kettles, showerheads, and washing machines due to the moderate hardness. Simple maintenance, such as regularly descaling kettles and cleaning showerheads, can help manage this. While a whole-house water softener isn't typically necessary for most households, some individuals with sensitive appliances or particular preferences might opt for one. The water's hardness is actually below the UK's national average and is generally considered suitable for everyday use without requiring special treatment.
Geology & Source: Carboniferous and Permian sandstones and mudstones; limestone and mineral-rich strata cause moderate hardness
Other West Midlands Water Reports
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