UK region

Water hardness in East Midlands

Average 248 ppm across 106 postcode districts — classified as hard.

  • Range 150–385 ppm
  • Counties 5
  • Suppliers Anglian Water, Severn Trent Water
Regional average
248
ppm CaCO₃
Hard
Soft
Moderate
Hard
Very hard
0100200300400+
248
Avg ppm
150
Min ppm
385
Max ppm
106
Postcodes

Water Hardness Across East Midlands

The average water hardness in the East Midlands region is 248 ppm, classified as hard. Across 106 postcode districts, hardness ranges from 150 ppm to 385 ppm.

The region is served by Anglian Water, Severn Trent Water. Water hardness varies by county — see the breakdown below or check your specific postcode.

By county

Counties in East Midlands

Sorted by hardness — see how your county compares.

County Hardness PPM Level Postcodes
Lincolnshire
343
343 ppm Very Hard 13
Northamptonshire
278
278 ppm Hard 19
Nottinghamshire
243
243 ppm Hard 30
Leicestershire
224
224 ppm Hard 21
Derbyshire
199
199 ppm Hard 23
Suppliers

Water Companies in East Midlands

Tap on a company for full coverage area and hardness data.

Anglian Water

321 ppm Very Hard

Severn Trent Water

222 ppm Hard

Hard Water Guides

Learn more about water hardness and how to manage it.

What Is Water Hardness? Hard Water Effects Solutions
Recommended

Products for East Midlands

Top picks for households in hard water areas.

Water2Buy W2B200 Water Softener

From ~£400

Best-value whole-house ion-exchange softener for UK homes. Eliminates limescale from pipes, boilers, and appliances. Digital metered regeneration — low salt use. 7-year warranty.

View on Amazon

Philips AWP1775 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

Common questions about East Midlands water

Is tap water in East Midlands safe to drink?
Yes. All tap water in East Midlands meets UK drinking water standards. Hardness affects taste and limescale buildup but not safety.
Why is water in East Midlands hard?
Water hardness in East Midlands depends on the geology — chalk and limestone aquifers dissolve calcium and magnesium into the supply, making it harder. Areas with sandstone or granite tend to be softer.
Does hard water affect boilers in East Midlands?
Over time, limescale acts as an insulator in heat exchangers, reducing efficiency by a few percentage points each year if untreated. A water softener can help protect your boiler.
What's the average water hardness in East Midlands?
The average water hardness across East Midlands is 248 ppm (parts per million), classified as hard. It ranges from 150 ppm to 385 ppm across 106 postcode districts.

Get East Midlands Water Updates

Be notified when water companies in East Midlands report changes to hardness levels.