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Felixstowe Water Hardness & Quality Report (2026)

Water Hardness

very hard

301+ mg/L

Very Hard

estimated · not lab-verified

Source

mixed

pH Level

8.4

neutral = 7.0

Lead

0.001 mg/L

✓ Below action level

TDS

500.1 mg/L

Est. Daily Cost

£0.85

energy & soap waste

Source: DWI Data Portal · Updated 2026

very hard301+ mg/LVery Hard · 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 Felixstowe, your appliances are currently losing 45% efficiency due to mineral buildup.

ApplianceIn FelixstoweSoft Water CityEfficiency Loss
Kettle
4.7 yrs
8.5 yrs-45%
Washing Machine
6.6 yrs
12 yrs-45%
Water Heater
8.3 yrs
15 yrs-45%

Regional Water Comparison

How Felixstowe compares to its nearest neighbours

CityHardnessClark°RiskSource
Felixstowe, East of England≈ 301+ mg/L28.1°🔴 Very Hardmixed
Harwich, East of England≈ 300+ mg/L17.1°🔴 Very Hardmixed
Woodbridge, East of England≈ 300+ mg/L23.6°🔴 Very Hardmixed
Walton-on-the-Naze, East of England≈ 200–300 mg/L18.6°🟠 Hardmixed
Kesgrave, East of England≈ 300+ mg/L20.1°🔴 Very Hardmixed

National Benchmark

How Felixstowe compares to the United Kingdom average

BenchmarkHardnessAppliance Risk
Felixstowe≈ 301+ mg/L🔴 Very High
United Kingdom National Avg177 mg/L🟡 Moderate
Skipton Top Rated7.1 mg/L🟢 None

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What Makes Felixstowe's Water Unique?

Local geology and source profile

Source: MixedTDS: 500.1 mg/LpH: 8.4

Anglian Water Services provides the water for Felixstowe and nearby communities in Suffolk, East of England. Most of the supply comes from groundwater drawn from the local Chalk aquifer. Key sources include boreholes located in Debenham, Ipswich, and Felixstowe. Water undergoes treatment at facilities like the Felixstowe Water Treatment Works, where processes such as aeration, filtration, chlorination, and fluoridation are employed to ensure the water meets all drinking standards before reaching residents and businesses.

The water originates from the East Anglian Chalk Group watershed, drawing from catchments situated over permeable Cretaceous limestones. This significant confined aquifer is formed by rock layers where groundwater slowly dissolves minerals from the bedrock over time. The geology of East Suffolk, characterized by its rolling landscape and coastal exposures, contributes to the water's chemistry through extended contact with these mineral-rich formations. This process results in elevated dissolved solids, a common trait of hard groundwater found in this region.

This very hard water can lead to noticeable limescale buildup in everyday appliances like kettles, boilers, washing machines, and showerheads. You might see white deposits and experience reduced efficiency or shorter lifespans for these items. Regularly descaling with vinegar or installing scale filters can help manage this. To effectively combat scale buildup, improve soap lathering, and prolong the life of your appliances, installing a water softener is strongly recommended for homes in this very hard water area. Despite the hardness, the water quality consistently meets UK standards, with a typical pH between 7.2 and 7.6.

Geology & Source: Cretaceous Chalk aquifer; porous limestone formation; high calcium and magnesium; moderate to very hard water

Other East of England Water Reports

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Frequently Asked Questions

Is Felixstowe's water safe to drink?
Yes. Felixstowe's water meets all DWI drinking water standards. The hardness is ≈ 301+ mg/L (Very Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Felixstowe?
At ≈ 301+ mg/L (Very Hard), Felixstowe'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 45%.
How does Felixstowe compare to the United Kingdom average?
The United Kingdom national average is 177 mg/L. Felixstowe (≈ 301+ mg/L) is 224 mg/L above the national average. The softest major city is Skipton at just 7.1 mg/L.