Hertfordshire · East Of England

Is Stevenage water hard or soft?

Very Hard at 352 ppm · 19 postcode districts

  • Supplier Anglian Water
  • County Hertfordshire
  • Postcodes 19
Area average
352
ppm CaCO₃
Very Hard
Soft
Moderate
Hard
Very hard
0100200300400+

The average water hardness in Stevenage is 352 ppm, classified as very hard. Stevenage is served by Anglian Water, covering 19 postcode districts across Hertfordshire 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 Stevenage

Sorted by hardness — tap a postcode for full details.

Postcode Water Company Hardness PPM Level
SG9 Anglian Water
378
378 ppm Very Hard
SG8 Anglian Water
377
377 ppm Very Hard
SG7 Anglian Water
376
376 ppm Very Hard
SG6 Anglian Water
375
375 ppm Very Hard
SG5 Anglian Water
374
374 ppm Very Hard
SG4 Anglian Water
373
373 ppm Very Hard
SG3 Anglian Water
372
372 ppm Very Hard
SG2 Anglian Water
371
371 ppm Very Hard
SG1 Anglian Water
370
370 ppm Very Hard
SG19 Anglian Water
337
337 ppm Very Hard
SG18 Anglian Water
336
336 ppm Very Hard
SG17 Anglian Water
335
335 ppm Very Hard
SG16 Anglian Water
334
334 ppm Very Hard
SG15 Anglian Water
333
333 ppm Very Hard
SG14 Anglian Water
332
332 ppm Very Hard
SG13 Anglian Water
331
331 ppm Very Hard
SG12 Anglian Water
330
330 ppm Very Hard
SG11 Anglian Water
329
329 ppm Very Hard
SG10 Anglian Water
328
328 ppm Very Hard
Suppliers

Water Companies Serving Stevenage

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 Stevenage

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.

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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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