Gateshead Water Hardness & Quality Report (2026)
Water Hardness
12.5°Clark17.9°fH10°dH
Source
mixed
pH Level
7.8
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
304.5 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 Gateshead, your appliances are currently losing 24% efficiency due to mineral buildup.
| Appliance | In Gateshead | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.5 yrs | 8.5 yrs | -24% |
| Washing Machine | 9.1 yrs | 12 yrs | -24% |
| Water Heater | 11.4 yrs | 15 yrs | -24% |
Regional Water Comparison
How Gateshead compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Gateshead, North East | 178.5 mg/L | 12.5° | 🟡 Moderately Hard | mixed |
| Newcastle upon Tyne, North East | ≈ 300+ mg/L | 5.6° | 🔴 Very Hard | reservoir |
| Felling, North East | ≈ 200–300 mg/L | 5.7° | 🟠 Hard | mixed |
| Gosforth, North East | ≈ 150–200 mg/L | 10.6° | 🟡 Moderately Hard | mixed |
| Wallsend, North East | ≈ 100–150 mg/L | 8.8° | 🟡 Slightly Hard | mixed |
National Benchmark
How Gateshead compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Gateshead | 178.5 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 Gateshead's Water Unique?
Local geology and source profile
Northumbrian Water Limited provides the water supply for Gateshead and the wider Tyne and Wear region. Their diverse sources include major rivers like the River Tyne and Derwent, expansive reservoirs such as Kielder Water and Derwent Reservoir, and several groundwater boreholes. Water undergoes rigorous treatment at large facilities including Howdon and Sunderland. Here, processes like coagulation, filtration, chlorination, and fluoridation are employed to ensure the water meets stringent quality standards before reaching residents.
The water's journey begins in the Pennine uplands, drawing from the watershed that encompasses the Cheviot Hills and North Pennines. Geologically, the area features Carboniferous limestone and sandstone in the lower valleys, often covered by peat moorlands. Where limestone is present, the water naturally picks up more minerals, particularly calcium and magnesium, making it more mineralized. Conversely, surface water from the granite and schist terrains of the uplands remains much softer because it has less contact with soluble rocks and is influenced by organic acidity from the peaty soils.
Homeowners in areas like Gateshead may notice scale buildup on appliances such as kettles and boilers, which can impact their efficiency and longevity. You might also see white deposits on taps or find that soap doesn't lather as easily. Regular descaling with vinegar or using filter jugs can help manage this. For households experiencing consistently harder water, installing a water softener is often a good idea to protect appliances and improve cleaning effectiveness, although it's not strictly necessary everywhere given the mixed nature of the supply. The water quality consistently meets UK standards, with Drinking Water Inspectorate reports showing stable conditions.
Geology & Source: North East England; Carboniferous limestone and millstone grit contribute minerals; softer moorland catchments with granite and metamorphic rocks; variable hardness profile.
Other North East Water Reports
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