Suffolk · East Of England

Is Ipswich water hard or soft?

Very Hard at 352 ppm · 33 postcode districts

  • Supplier Anglian Water
  • County Suffolk
  • Postcodes 33
Area average
352
ppm CaCO₃
Very Hard
Soft
Moderate
Hard
Very hard
0100200300400+

Ipswich water hardness at a glance

  1. Ipswich water is very hard, averaging 352 ppm across 33 postcode districts.
  2. That is 145 ppm above the UK average of 207 ppm.
  3. The hardest district is IP33 at 393 ppm; the softest is IP10 at 324 ppm.
  4. The supplier is Anglian Water.
  5. Expect limescale on kettles, taps and showerheads; see the water softener guide for sizing and costs.

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The average water hardness in Ipswich is 352 ppm, classified as very hard. Ipswich is served by Anglian Water, covering 33 postcode districts across Suffolk in the East Of England region.

Hardness varies across the area. See the table below for a breakdown by postcode district. IP33 has the hardest water at 393 ppm, while IP10 is the softest at 324 ppm.

By postcode

Water Hardness by Postcode in Ipswich

Sorted by hardness. Tap a postcode for full details.

Postcode Water Company Hardness PPM Level
IP33 Anglian Water
393
393 ppm Very Hard
IP32 Anglian Water
392
392 ppm Very Hard
IP31 Anglian Water
391
391 ppm Very Hard
IP30 Anglian Water
390
390 ppm Very Hard
IP29 Anglian Water
366
366 ppm Very Hard
IP28 Anglian Water
365
365 ppm Very Hard
IP27 Anglian Water
364
364 ppm Very Hard
IP26 Anglian Water
363
363 ppm Very Hard
IP25 Anglian Water
362
362 ppm Very Hard
IP24 Anglian Water
361
361 ppm Very Hard
IP23 Anglian Water
360
360 ppm Very Hard
IP22 Anglian Water
359
359 ppm Very Hard
IP21 Anglian Water
358
358 ppm Very Hard
IP20 Anglian Water
357
357 ppm Very Hard
IP9 Anglian Water
355
355 ppm Very Hard
IP8 Anglian Water
354
354 ppm Very Hard
IP7 Anglian Water
353
353 ppm Very Hard
IP6 Anglian Water
352
352 ppm Very Hard
IP5 Anglian Water
351
351 ppm Very Hard
IP4 Anglian Water
350
350 ppm Very Hard
IP3 Anglian Water
349
349 ppm Very Hard
IP2 Anglian Water
348
348 ppm Very Hard
IP1 Anglian Water
347
347 ppm Very Hard
IP19 Anglian Water
333
333 ppm Very Hard
IP18 Anglian Water
332
332 ppm Very Hard
IP17 Anglian Water
331
331 ppm Very Hard
IP16 Anglian Water
330
330 ppm Very Hard
IP15 Anglian Water
329
329 ppm Very Hard
IP14 Anglian Water
328
328 ppm Very Hard
IP13 Anglian Water
327
327 ppm Very Hard
IP12 Anglian Water
326
326 ppm Very Hard
IP11 Anglian Water
325
325 ppm Very Hard
IP10 Anglian Water
324
324 ppm Very Hard
Suppliers

Water Companies Serving Ipswich

Tap for full coverage area and hardness data.

Anglian Water

321 ppm Very Hard

Each water company publishes its own hardness data, so you can cross-check the Ipswich figures here against the published hardness data from Anglian Water Services Ltd.

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 Ipswich

Popular choices for households dealing with very hard water.

Splendid Twin Tank Water Softener

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.

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Philips Shower Filter

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 around 6 months.

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BRITA Marella Water Filter Jug

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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FAQ

Common questions about Ipswich water

Is Ipswich water hard or soft?
Ipswich is classified as very hard, averaging 352 ppm across 33 postcode districts. Expect visible limescale on kettles and taps within weeks at this level.
Which postcode in Ipswich has the hardest water?
IP33 has the hardest water in Ipswich at 393 ppm, while IP10 is the softest at 324 ppm. See the full table above for every district.
Which water company supplies Ipswich?
Ipswich is supplied by Anglian Water, covering 33 postcode districts across Suffolk.
Is tap water in Ipswich safe to drink?
Hardness is not a safety issue: the World Health Organization sets no health-based limit for water hardness, so hard and soft water are both fine to drink. Drinking water quality is regulated by the Drinking Water Inspectorate in England and Wales and the Drinking Water Quality Regulator in Scotland, and your water company publishes test results for your area.
Do I need a water softener in Ipswich?
At 352 ppm, many households in Ipswich notice limescale in kettles and showerheads within weeks. A shower filter is the cheapest first step; a whole-house softener gives the most complete protection.
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