Yorkshire · County

Water hardness in East Yorkshire

Average 237 ppm across 20 postcodes and 1 towns.

  • Range 229–267 ppm
  • Towns 1
  • Suppliers Yorkshire Water
County average
237
ppm CaCO₃
Hard
Soft
Moderate
Hard
Very hard
0100200300400+
237
Avg ppm
229
Min ppm
267
Max ppm
20
Postcodes

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Water Hardness Across East Yorkshire

The average water hardness in East Yorkshire is 237 ppm, classified as hard. Across 20 postcode districts in the Yorkshire region, hardness ranges from 229 ppm to 267 ppm.

East Yorkshire is served by Yorkshire Water. With hard water, residents may benefit from a water softener to reduce limescale and protect appliances.

Hardness across East Yorkshire ranges from 229 ppm to 267 ppm by postcode district. The county spans 1 towns and 20 postcode districts in total.

At 237 ppm, East Yorkshire ranks as hard water nationally. Compare it against the 50 hardest water areas in the UK.

By town

Towns in East Yorkshire

Sorted by hardness — tap a town for full details.

Town Hardness PPM Level
Hull
237
237 ppm Hard
Suppliers

Water Companies in East Yorkshire

Companies supplying water to this county.

Yorkshire Water

215 ppm Hard
All postcodes

Postcodes in East Yorkshire

Every postcode district in the county, sorted by hardness.

Postcode Town Hardness PPM Level
HU20 Cottingham
267
267 ppm Hard
HU19 Withernsea
243
243 ppm Hard
HU18 Hornsea
242
242 ppm Hard
HU17 Beverley
241
241 ppm Hard
HU16 Cottingham
240
240 ppm Hard
HU15 Brough
239
239 ppm Hard
HU14 North Ferriby
238
238 ppm Hard
HU13 Hessle
237
237 ppm Hard
HU9 Hull
237
237 ppm Hard
HU12 Hull
236
236 ppm Hard
HU8 Hull
236
236 ppm Hard
HU11 Hull
235
235 ppm Hard
HU7 Hull
235
235 ppm Hard
HU10 Hull
234
234 ppm Hard
HU6 Hull
234
234 ppm Hard
HU5 Hull
233
233 ppm Hard
HU4 Hull
232
232 ppm Hard
HU3 Hull
231
231 ppm Hard
HU2 Hull
230
230 ppm Hard
HU1 Hull
229
229 ppm Hard
Recommended

Products for East Yorkshire

Top picks for households in hard water areas.

Splendid Twin Tank Water Softener

From ~£400

Twin-tank electric softener sized for 1 to 7 bedroom homes. Removes limescale from pipes, boilers, and appliances and delivers continuous soft water, with metered regeneration to keep salt use low.

View on Amazon

Philips Shower Filter

From ~£30

Instant improvement for skin and hair. Reduces chlorine and limescale at the showerhead, no plumbing needed. A good first step before committing to a full softener.

View on Amazon
FAQ

Water Hardness in East Yorkshire: Common Questions

Is the water in East Yorkshire hard or soft?
East Yorkshire has hard water, averaging 237 ppm across 20 postcode districts. Expect visible limescale on kettles, taps and shower screens within weeks at this level.
Where is the hardest water in East Yorkshire?
Across East Yorkshire, water hardness ranges from 229 ppm to 267 ppm by postcode district.
Which water company supplies East Yorkshire?
East Yorkshire is supplied by Yorkshire Water. You can check each supplier's reported hardness figures on their water company page.
Do I need a water softener in East Yorkshire?
At 237 ppm, East Yorkshire is in the hard band where a water softener noticeably reduces limescale and helps protect boilers and appliances. See the water softener guide for the payback maths.
What is the average water hardness in East Yorkshire?
The average water hardness in East Yorkshire is 237 ppm (parts per million), classified as hard. It ranges from 229 ppm to 267 ppm across 20 postcode districts in the Yorkshire region.

Hard Water Guides

Learn more about water hardness and how to manage it.

What Is Water Hardness? Hard Water Effects Solutions Water Softener Guide
All counties in Yorkshire · Hardest water areas · Softest water areas · Hard water solutions
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