Cambridgeshire · East Of England

Is Cambridge water hard or soft?

Very Hard at 327 ppm · 16 postcode districts

  • Supplier Anglian Water
  • County Cambridgeshire
  • Postcodes 16
Area average
327
ppm CaCO₃
Very Hard
Soft
Moderate
Hard
Very hard
0100200300400+

The average water hardness in Cambridge is 327 ppm, classified as very hard. Cambridge is served by Anglian Water, covering 16 postcode districts across Cambridgeshire in the East Of England region.

Hardness varies across the area — see the table below for a breakdown by postcode district.

By postcode

Water Hardness by Postcode in Cambridge

Sorted by hardness — tap a postcode for full details.

Postcode Water Company Hardness PPM Level
CB25 Anglian Water
373
373 ppm Very Hard
CB24 Anglian Water
372
372 ppm Very Hard
CB23 Anglian Water
371
371 ppm Very Hard
CB22 Anglian Water
370
370 ppm Very Hard
CB21 Anglian Water
369
369 ppm Very Hard
CB11 Anglian Water
336
336 ppm Very Hard
CB10 Anglian Water
335
335 ppm Very Hard
CB9 Anglian Water
305
305 ppm Very Hard
CB8 Anglian Water
304
304 ppm Very Hard
CB7 Anglian Water
303
303 ppm Very Hard
CB6 Anglian Water
302
302 ppm Very Hard
CB5 Anglian Water
301
301 ppm Very Hard
CB4 Anglian Water
300
300 ppm Hard
CB3 Anglian Water
299
299 ppm Hard
CB2 Anglian Water
298
298 ppm Hard
CB1 Anglian Water
297
297 ppm Hard
Suppliers

Water Companies Serving Cambridge

Tap for full coverage area and hardness data.

Anglian Water

321 ppm Very Hard

Water Hardness Guides

Learn more about water hardness and how to manage it.

What Is Water Hardness? Effects Solutions Water Softeners Limescale Removal
Recommended

Products for Cambridge

Popular choices for households dealing with very hard water.

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

Quick win for skin and hair in hard water areas. Reduces chlorine and limescale — fits standard shower hoses in minutes, no tools needed. Cartridge lasts ~6 months.

View on Amazon

BRITA Marella Water Filter Jug

From ~£20

UK's best-selling filter jug. Reduces limescale, chlorine, and metals for better-tasting tap water. Quick first step alongside a softener.

View on Amazon

Get Cambridge Water Updates

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