Water Hardness in Suffolk

Water Hardness Across Suffolk

The average water hardness in Suffolk is 352 ppm, classified as very hard. Across 33 postcode districts in the East Of England region, hardness ranges from 324 ppm to 393 ppm.

Suffolk is served by Anglian Water. With very hard water, residents may benefit from a water softener to reduce limescale and protect appliances.

Hardness across Suffolk ranges from 324 ppm to 393 ppm by postcode district. The county spans 1 towns and 33 postcode districts in total.

At 352 ppm, Suffolk ranks as very hard water nationally. Compare it against the 50 hardest water areas in the UK.

By town

Towns in Suffolk

Sorted by hardness — tap a town for full details.

Town	Hardness	PPM	Level
Ipswich	352	352 ppm	Very Hard

Suppliers

Water Companies in Suffolk

Companies supplying water to this county.

Anglian Water

321 ppm Very Hard

All postcodes

Postcodes in Suffolk

Every postcode district in the county, sorted by hardness.

Postcode	Town	Hardness	PPM	Level
IP33	Bury St Edmunds	393	393 ppm	Very Hard
IP32	Bury St Edmunds	392	392 ppm	Very Hard
IP31	Bury St Edmunds	391	391 ppm	Very Hard
IP30	Bury St Edmunds	390	390 ppm	Very Hard
IP29	Bury St Edmunds	366	366 ppm	Very Hard
IP28	Bury St Edmunds	365	365 ppm	Very Hard
IP27	Brandon	364	364 ppm	Very Hard
IP26	Thetford	363	363 ppm	Very Hard
IP25	Thetford	362	362 ppm	Very Hard
IP24	Thetford	361	361 ppm	Very Hard
IP23	Eye	360	360 ppm	Very Hard
IP22	Diss	359	359 ppm	Very Hard
IP21	Diss	358	358 ppm	Very Hard
IP20	Harleston	357	357 ppm	Very Hard
IP9	Ipswich	355	355 ppm	Very Hard
IP8	Ipswich	354	354 ppm	Very Hard
IP7	Ipswich	353	353 ppm	Very Hard
IP6	Ipswich	352	352 ppm	Very Hard
IP5	Ipswich	351	351 ppm	Very Hard
IP4	Ipswich	350	350 ppm	Very Hard
IP3	Ipswich	349	349 ppm	Very Hard
IP2	Ipswich	348	348 ppm	Very Hard
IP1	Ipswich	347	347 ppm	Very Hard
IP19	Halesworth	333	333 ppm	Very Hard
IP18	Southwold	332	332 ppm	Very Hard
IP17	Saxmundham	331	331 ppm	Very Hard
IP16	Leiston	330	330 ppm	Very Hard
IP15	Aldeburgh	329	329 ppm	Very Hard
IP14	Stowmarket	328	328 ppm	Very Hard
IP13	Woodbridge	327	327 ppm	Very Hard
IP12	Woodbridge	326	326 ppm	Very Hard
IP11	Felixstowe	325	325 ppm	Very Hard
IP10	Ipswich	324	324 ppm	Very Hard

Recommended

Products for Suffolk

Top picks for households in very hard water areas.

Splendid Twin Tank Water Softener

From ~£400

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

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

Water Hardness in Suffolk: Common Questions

Is the water in Suffolk hard or soft?

Suffolk has very hard water, averaging 352 ppm across 33 postcode districts. Expect visible limescale on kettles, taps and shower screens within weeks at this level.

Where is the hardest water in Suffolk?

Across Suffolk, water hardness ranges from 324 ppm to 393 ppm by postcode district.

Which water company supplies Suffolk?

Suffolk is supplied by Anglian Water. You can check each supplier's reported hardness figures on their water company page.

Do I need a water softener in Suffolk?

At 352 ppm, Suffolk is in the hard band where a water softener noticeably reduces limescale and helps protect boilers and appliances. See the water softener guide for the payback maths.

What is the average water hardness in Suffolk?

The average water hardness in Suffolk is 352 ppm (parts per million), classified as very hard. It ranges from 324 ppm to 393 ppm across 33 postcode districts in the East Of England region.

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