Water Hardness in West Midlands

Water Hardness Across West Midlands

The average water hardness in West Midlands is 222 ppm, classified as hard. Across 145 postcode districts in the West Midlands region, hardness ranges from 154 ppm to 297 ppm.

West Midlands is served by Severn Trent Water. With hard water, residents may benefit from a water softener to reduce limescale and protect appliances.

Hardness varies across West Midlands: Wolverhampton has the hardest water at 276 ppm, while Walsall is the softest at 179 ppm. The county spans 5 towns and 145 postcode districts in total.

At 222 ppm, West Midlands ranks as hard water nationally. Compare it against the 50 hardest water areas in the UK.

By town

Towns in West Midlands

Sorted by hardness — tap a town for full details.

Town	Hardness	PPM	Level
Wolverhampton	276	276 ppm	Hard
Dudley	230	230 ppm	Hard
Coventry	226	226 ppm	Hard
Birmingham	217	217 ppm	Hard
Walsall	179	179 ppm	Moderately Hard

Suppliers

Water Companies in West Midlands

Companies supplying water to this county.

Severn Trent Water

222 ppm Hard

All postcodes

Postcodes in West Midlands

Every postcode district in the county, sorted by hardness.

Postcode	Town	Hardness	PPM	Level
WV9	Wolverhampton	297	297 ppm	Hard
WV8	Wolverhampton	296	296 ppm	Hard
WV7	Wolverhampton	295	295 ppm	Hard
WV6	Wolverhampton	294	294 ppm	Hard
WV5	Wolverhampton	293	293 ppm	Hard
WV4	Wolverhampton	292	292 ppm	Hard
WV3	Wolverhampton	291	291 ppm	Hard
WV2	Wolverhampton	290	290 ppm	Hard
WV1	Wolverhampton	289	289 ppm	Hard
B80	Studley	287	287 ppm	Hard
B38	Birmingham	281	281 ppm	Hard
B37	Birmingham	280	280 ppm	Hard
B36	Birmingham	279	279 ppm	Hard
B35	Birmingham	278	278 ppm	Hard
B34	Birmingham	277	277 ppm	Hard
B33	Birmingham	276	276 ppm	Hard
B32	Birmingham	275	275 ppm	Hard
B31	Birmingham	274	274 ppm	Hard
CV13	Nuneaton	274	274 ppm	Hard
B30	Birmingham	273	273 ppm	Hard
CV12	Bedworth	273	273 ppm	Hard
CV11	Nuneaton	272	272 ppm	Hard
CV10	Nuneaton	271	271 ppm	Hard
B79	Tamworth	263	263 ppm	Hard
B78	Tamworth	262	262 ppm	Hard
B77	Tamworth	261	261 ppm	Hard
CV9	Atherstone	261	261 ppm	Hard
B76	Sutton Coldfield	260	260 ppm	Hard
CV8	Kenilworth	260	260 ppm	Hard
B75	Sutton Coldfield	259	259 ppm	Hard
CV7	Coventry	259	259 ppm	Hard
B74	Sutton Coldfield	258	258 ppm	Hard
CV6	Coventry	258	258 ppm	Hard
B73	Sutton Coldfield	257	257 ppm	Hard
CV5	Coventry	257	257 ppm	Hard
WV16	Bridgnorth	257	257 ppm	Hard
B72	Sutton Coldfield	256	256 ppm	Hard
CV4	Coventry	256	256 ppm	Hard
WV15	Bridgnorth	256	256 ppm	Hard
B71	West Bromwich	255	255 ppm	Hard
CV3	Coventry	255	255 ppm	Hard
WV14	Bilston	255	255 ppm	Hard
B70	West Bromwich	254	254 ppm	Hard
CV2	Coventry	254	254 ppm	Hard
WV13	Willenhall	254	254 ppm	Hard
CV1	Coventry	253	253 ppm	Hard
WV12	Willenhall	253	253 ppm	Hard
WV11	Wolverhampton	252	252 ppm	Hard
WV10	Wolverhampton	251	251 ppm	Hard
B29	Birmingham	249	249 ppm	Hard
B28	Birmingham	248	248 ppm	Hard
B27	Birmingham	247	247 ppm	Hard
B26	Birmingham	246	246 ppm	Hard
B25	Birmingham	245	245 ppm	Hard
B24	Birmingham	244	244 ppm	Hard
B23	Birmingham	243	243 ppm	Hard
B21	Birmingham	241	241 ppm	Hard
DY9	Stourbridge	241	241 ppm	Hard
B20	Birmingham	240	240 ppm	Hard
DY8	Stourbridge	240	240 ppm	Hard
DY7	Stourbridge	239	239 ppm	Hard
DY6	Kingswinford	238	238 ppm	Hard
DY5	Brierley Hill	237	237 ppm	Hard
DY4	Tipton	236	236 ppm	Hard
DY3	Dudley	235	235 ppm	Hard
DY2	Dudley	234	234 ppm	Hard
DY1	Dudley	233	233 ppm	Hard
B69	Oldbury	230	230 ppm	Hard
B68	Oldbury	229	229 ppm	Hard
B67	Smethwick	228	228 ppm	Hard
B66	Smethwick	227	227 ppm	Hard
B65	Rowley Regis	226	226 ppm	Hard
CV47	Southam	226	226 ppm	Hard
B64	Cradley Heath	225	225 ppm	Hard
B63	Halesowen	224	224 ppm	Hard
B62	Halesowen	223	223 ppm	Hard
B61	Bromsgrove	222	222 ppm	Hard
B60	Bromsgrove	221	221 ppm	Hard
DY14	Kidderminster	219	219 ppm	Hard
DY13	Stourport On Severn	218	218 ppm	Hard
DY12	Bewdley	217	217 ppm	Hard
B19	Birmingham	216	216 ppm	Hard
DY11	Kidderminster	216	216 ppm	Hard
B18	Birmingham	215	215 ppm	Hard
DY10	Kidderminster	215	215 ppm	Hard
B17	Birmingham	214	214 ppm	Hard
B16	Birmingham	213	213 ppm	Hard
B15	Birmingham	212	212 ppm	Hard
B14	Birmingham	211	211 ppm	Hard
B13	Birmingham	210	210 ppm	Hard
B12	Birmingham	209	209 ppm	Hard
B11	Birmingham	208	208 ppm	Hard
B10	Birmingham	207	207 ppm	Hard
WS9	Walsall	198	198 ppm	Hard
WS8	Walsall	197	197 ppm	Hard
WS7	Burntwood	196	196 ppm	Hard
WS6	Walsall	195	195 ppm	Hard
WS5	Walsall	194	194 ppm	Hard
CV37	Stratford Upon Avon	193	193 ppm	Hard
WS4	Walsall	193	193 ppm	Hard
CV36	Shipston On Stour	192	192 ppm	Hard
WS3	Walsall	192	192 ppm	Hard
CV35	Warwick	191	191 ppm	Hard
WS2	Walsall	191	191 ppm	Hard
CV34	Warwick	190	190 ppm	Hard
WS1	Walsall	190	190 ppm	Hard
CV33	Leamington Spa	189	189 ppm	Hard
B50	Alcester	188	188 ppm	Hard
CV32	Leamington Spa	188	188 ppm	Hard
CV31	Leamington Spa	187	187 ppm	Hard
B98	Redditch	177	177 ppm	Moderately Hard
B97	Redditch	176	176 ppm	Moderately Hard
B96	Redditch	175	175 ppm	Moderately Hard
B95	Henley In Arden	174	174 ppm	Moderately Hard
B94	Solihull	173	173 ppm	Moderately Hard
B9	Birmingham	172	172 ppm	Moderately Hard
B93	Solihull	172	172 ppm	Moderately Hard
B8	Birmingham	171	171 ppm	Moderately Hard
B92	Solihull	171	171 ppm	Moderately Hard
B7	Birmingham	170	170 ppm	Moderately Hard
B91	Solihull	170	170 ppm	Moderately Hard
B6	Birmingham	169	169 ppm	Moderately Hard
B90	Solihull	169	169 ppm	Moderately Hard
B5	Birmingham	168	168 ppm	Moderately Hard
B4	Birmingham	167	167 ppm	Moderately Hard
B3	Birmingham	166	166 ppm	Moderately Hard
B2	Birmingham	165	165 ppm	Moderately Hard
B1	Birmingham	164	164 ppm	Moderately Hard
B49	Alcester	164	164 ppm	Moderately Hard
B48	Birmingham	163	163 ppm	Moderately Hard
B47	Birmingham	162	162 ppm	Moderately Hard
B46	Birmingham	161	161 ppm	Moderately Hard
B45	Birmingham	160	160 ppm	Moderately Hard
WS15	Rugeley	160	160 ppm	Moderately Hard
B44	Birmingham	159	159 ppm	Moderately Hard
WS14	Lichfield	159	159 ppm	Moderately Hard
B43	Birmingham	158	158 ppm	Moderately Hard
WS13	Lichfield	158	158 ppm	Moderately Hard
B42	Birmingham	157	157 ppm	Moderately Hard
WS12	Cannock	157	157 ppm	Moderately Hard
CV23	Rugby	156	156 ppm	Moderately Hard
WS11	Cannock	156	156 ppm	Moderately Hard
CV22	Rugby	155	155 ppm	Moderately Hard
WS10	Wednesbury	155	155 ppm	Moderately Hard
CV21	Rugby	154	154 ppm	Moderately Hard

Recommended

Products for West Midlands

Top picks for households in 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.

View on Amazon

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 West Midlands: Common Questions

Is the water in West Midlands hard or soft?

West Midlands has hard water, averaging 222 ppm across 145 postcode districts. Expect visible limescale on kettles, taps and shower screens within weeks at this level.

Where is the hardest water in West Midlands?

Wolverhampton has the hardest water in West Midlands at 276 ppm, while Walsall is the softest at 179 ppm. Across the county, hardness ranges from 154 ppm to 297 ppm by postcode district.

Which water company supplies West Midlands?

West Midlands is supplied by Severn Trent Water. You can check each supplier's reported hardness figures on their water company page.

Do I need a water softener in West Midlands?

At 222 ppm, West Midlands 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 West Midlands?

The average water hardness in West Midlands is 222 ppm (parts per million), classified as hard. It ranges from 154 ppm to 297 ppm across 145 postcode districts in the West Midlands region.

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