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Lower Earley Water Hardness & Quality Report (2026)

Water Hardness

hard

~200–300 mg/L

Hard

estimated · not lab-verified

Source

mixed

pH Level

7.9

neutral = 7.0

Lead

0.002 mg/L

✓ Below action level

TDS

335.6 mg/L

Est. Daily Cost

£0.57

energy & soap waste

Source: DWI Data Portal · Updated 2026

hard~200–300 mg/LHard · est.

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 Lower Earley, your appliances are currently losing 33% efficiency due to mineral buildup.

ApplianceIn Lower EarleySoft Water CityEfficiency 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 Lower Earley compares to its nearest neighbours

CityHardnessClark°RiskSource
Lower Earley, South East≈ 200–300 mg/L17.5°🟠 Hardmixed
Reading, South East≈ 300+ mg/L19.6°🔴 Very Hardgroundwater
Wokingham, South East≈ 200–300 mg/L21.2°🟠 Hardmixed
Henley-on-Thames, South East≈ 300+ mg/L12.7°🔴 Very Hardmixed
Yateley, South East≈ 200–300 mg/L21.4°🟠 Hardmixed

National Benchmark

How Lower Earley compares to the United Kingdom average

BenchmarkHardnessAppliance Risk
Lower Earley≈ 200–300 mg/L🟠 High
United Kingdom National Avg177 mg/L🟡 Moderate
Skipton Top Rated7.1 mg/L🟢 None

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What Makes Lower Earley's Water Unique?

Local geology and source profile

Source: MixedTDS: 335.6 mg/LpH: 7.9

South East Water supplies the residents of Lower Earley in Berkshire, South East England. The water comes from a mix of sources, including the Thames Valley Chalk Aquifer and surface water from the River Thames. This blend is then treated at Fobney Water Treatment Works before being distributed to homes. For precise details on your water's hardness and quality, South East Water directs customers to use their online postcode checker, as area-wide values aren't publicly listed.

The water originates from the Thames Valley Chalk Aquifer, a significant underground source, and surface water from the River Thames. This combination is treated at Fobney Water Treatment Works. The geology of the area, particularly the chalk, is known to contribute to the water's hardness, a common characteristic in this region of South East England.

Homeowners in Lower Earley might notice the effects of hard water on appliances like kettles and coffee machines, where scale can build up over time. Soap and detergent may also not lather as easily. While South East Water doesn't soften the water before delivery, fitting a water softener can help mitigate these issues. If you have concerns about your water quality or want to understand specific parameters like pH, contacting South East Water directly or checking the Drinking Water Inspectorate public register is the best course of action.

Geology & Source: Chalk aquifer and Thames surface water blend; chalk produces hard water

Other South East Water Reports

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Frequently Asked Questions

Is Lower Earley's water safe to drink?
Yes. Lower Earley's water meets all DWI drinking water standards. The hardness is ≈ 200–300 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Lower Earley?
At ≈ 200–300 mg/L (Hard), Lower Earley's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 33%.
How does Lower Earley compare to the United Kingdom average?
The United Kingdom national average is 177 mg/L. Lower Earley (≈ 200–300 mg/L) is 73 mg/L above the national average. The softest major city is Skipton at just 7.1 mg/L.