Berkshire · South East

Is Reading water hard or soft?

Hard at 291 ppm · 30 postcode districts

  • Supplier Thames Water
  • County Berkshire
  • Postcodes 30
Area average
291
ppm CaCO₃
Hard
Soft
Moderate
Hard
Very hard
0100200300400+

The average water hardness in Reading is 291 ppm, classified as hard. Reading is served by Thames Water, covering 30 postcode districts across Berkshire in the South East region.

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

By postcode

Water Hardness by Postcode in Reading

Sorted by hardness — tap a postcode for full details.

Postcode Water Company Hardness PPM Level
RG31 Thames Water
327
327 ppm Very Hard
RG30 Thames Water
326
326 ppm Very Hard
RG9 Thames Water
314
314 ppm Very Hard
RG8 Thames Water
313
313 ppm Very Hard
RG7 Thames Water
312
312 ppm Very Hard
RG6 Thames Water
311
311 ppm Very Hard
RG5 Thames Water
310
310 ppm Very Hard
RG4 Thames Water
309
309 ppm Very Hard
RG2 Thames Water
307
307 ppm Very Hard
RG1 Thames Water
306
306 ppm Very Hard
RG29 Thames Water
302
302 ppm Very Hard
RG28 Thames Water
301
301 ppm Very Hard
RG27 Thames Water
300
300 ppm Hard
RG26 Thames Water
299
299 ppm Hard
RG25 Thames Water
298
298 ppm Hard
RG24 Thames Water
297
297 ppm Hard
RG23 Thames Water
296
296 ppm Hard
RG22 Thames Water
295
295 ppm Hard
RG21 Thames Water
294
294 ppm Hard
RG20 Thames Water
293
293 ppm Hard
RG19 Thames Water
269
269 ppm Hard
RG18 Thames Water
268
268 ppm Hard
RG17 Thames Water
267
267 ppm Hard
RG14 Thames Water
264
264 ppm Hard
RG45 Thames Water
263
263 ppm Hard
RG12 Thames Water
262
262 ppm Hard
RG10 Thames Water
260
260 ppm Hard
RG42 Thames Water
260
260 ppm Hard
RG41 Thames Water
259
259 ppm Hard
RG40 Thames Water
258
258 ppm Hard
Suppliers

Water Companies Serving Reading

Tap for full coverage area and hardness data.

Thames Water

302 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 Reading

Popular choices for households dealing with 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.

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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.

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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.

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