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Hedon Water Hardness & Quality Report (2026)

Water Hardness

105.5mg/L
Slightly Hard

7.4°Clark10.6°fH5.9°dH

Source

mixed

pH Level

8.1

neutral = 7.0

Lead

0.001 mg/L

✓ Below action level

TDS

367.1 mg/L

Est. Daily Cost

£0.24

energy & soap waste

Source: DWI Data Portal · Updated 2026

105.5mg/L as CaCO₃Slightly Hard

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 Hedon, your appliances are currently losing 14% efficiency due to mineral buildup.

ApplianceIn HedonSoft Water CityEfficiency Loss
Kettle
6.1 yrs
8.5 yrs-28%
Washing Machine
9.7 yrs
12 yrs-19%
Water Heater
11.4 yrs
15 yrs-24%

Regional Water Comparison

How Hedon compares to its nearest neighbours

CityHardnessClark°RiskSource
Hedon, Yorkshire and the Humber105.5 mg/L7.4°🟡 Slightly Hardmixed
Immingham, Yorkshire and the Humber≈ 200–300 mg/L16.6°🟠 Hardmixed
Kingston upon Hull, Yorkshire and the Humber148.4 mg/L10.4°🟡 Slightly Hardgroundwater
Grimsby, Yorkshire and the Humber≈ 200–300 mg/L13.3°🟠 Hardmixed
Cleethorpes, Yorkshire and the Humber≈ 200–300 mg/L12.8°🟠 Hardmixed

National Benchmark

How Hedon compares to the United Kingdom average

BenchmarkHardnessAppliance Risk
Hedon105.5 mg/L🟡 Low
United Kingdom National Avg177 mg/L🟡 Moderate
Skipton Top Rated7.1 mg/L🟢 None

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What Makes Hedon's Water Unique?

Local geology and source profile

Source: MixedTDS: 367.1 mg/LpH: 8.1

Yorkshire Water provides drinking water to residents of Hedon, located in the East Riding of Yorkshire and part of the Yorkshire and the Humber region. The utility draws from a mix of sources, incorporating groundwater from local aquifers like the Sherwood Sandstone and Magnesian Limestone. Surface water from rivers within the Humber catchment also contributes to the supply. Treatment processes take place at facilities near Hull, ensuring all water meets stringent UK standards before reaching homes. Hedon is one of many communities served by Yorkshire Water, which manages supplies across a broad area including Hull, Leeds, and Sheffield, often blending different sources to maintain quality and consistency.

The geology beneath Hedon significantly influences its water profile. The region is characterized by Permian Magnesian Limestone and Triassic sandstones, formations known to dissolve minerals like calcium and magnesium as rainwater filters through them. This process, typical of the Holderness and Hull environs, imbues the groundwater with a considerable mineral content, resulting in a hard water character. While river sources might introduce slightly softer water, the underlying sedimentary rock geology consistently contributes to elevated mineral loads in the eastern districts, creating a moderately mineralized to hard water profile for many customers.

This naturally hard water can lead to the familiar buildup of limescale in household appliances such as kettles, boilers, and washing machines, diminishing their efficiency and shortening their lifespan. You might notice deposits forming on showerheads and around taps, and hot water systems can become insulated, reducing their performance. To combat this, homeowners often resort to regular descaling with common household solutions like vinegar, or employ filter jugs. For those experiencing persistent issues, installing a water softener is often recommended to protect plumbing and enhance the lathering of soaps and detergents. Despite the mineral content, the water quality adheres to Drinking Water Inspectorate standards, with Yorkshire Water actively managing lead and copper levels through pipe replacement and monitoring other potential contaminants like PFAS and nitrates.

Geology & Source: Magnesian Limestone and Sherwood Sandstone aquifers; carbonate-rich formations dissolve calcium and magnesium, yielding hard water

Other Yorkshire and the Humber Water Reports

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Frequently Asked Questions

Is Hedon's water safe to drink?
Yes. Hedon's water meets all DWI drinking water standards. The hardness is 105.5 mg/L (Slightly Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Hedon?
Hedon's water is slightly hard at 105.5 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.
How does Hedon compare to the United Kingdom average?
The United Kingdom national average is 177 mg/L. Hedon (105.5 mg/L) is 72 mg/L below the national average. The softest major city is Skipton at just 7.1 mg/L.