Is Walsall Water Hard or Soft? Moderately Hard at 179 ppm

The average water hardness in Walsall is 179 ppm, classified as moderately hard. Walsall is served by Severn Trent Water, covering 15 postcode districts across West Midlands in the West Midlands region.

Hardness varies across the area — see the table below for a breakdown by postcode district. WS9 has the hardest water at 198 ppm, while WS10 is the softest at 155 ppm.

By postcode

Water Hardness by Postcode in Walsall

Sorted by hardness — tap a postcode for full details.

Postcode	Water Company	Hardness	PPM	Level
WS9	Severn Trent Water	198	198 ppm	Hard
WS8	Severn Trent Water	197	197 ppm	Hard
WS7	Severn Trent Water	196	196 ppm	Hard
WS6	Severn Trent Water	195	195 ppm	Hard
WS5	Severn Trent Water	194	194 ppm	Hard
WS4	Severn Trent Water	193	193 ppm	Hard
WS3	Severn Trent Water	192	192 ppm	Hard
WS2	Severn Trent Water	191	191 ppm	Hard
WS1	Severn Trent Water	190	190 ppm	Hard
WS15	Severn Trent Water	160	160 ppm	Moderately Hard
WS14	Severn Trent Water	159	159 ppm	Moderately Hard
WS13	Severn Trent Water	158	158 ppm	Moderately Hard
WS12	Severn Trent Water	157	157 ppm	Moderately Hard
WS11	Severn Trent Water	156	156 ppm	Moderately Hard
WS10	Severn Trent Water	155	155 ppm	Moderately Hard

Suppliers

Water Companies Serving Walsall

Tap for full coverage area and hardness data.

Severn Trent Water

222 ppm Hard

Test Your Water in Walsall

At 179 ppm, your water is moderately hard. A home testing kit lets you verify the exact hardness and check for other contaminants.

TESPERT 16-in-1 Water Testing Kit

From ~£10

Home water test strips that check hardness, pH, chlorine, lead, and 12 other parameters. Results in around 60 seconds. 125 strips per pack.

View on Amazon

FAQ

Common questions about Walsall water

Is Walsall water hard or soft?

Walsall is classified as moderately hard, averaging 179 ppm across 15 postcode districts. Limescale build-up is minimal at this level, though individual postcodes vary.

Which postcode in Walsall has the hardest water?

WS9 has the hardest water in Walsall at 198 ppm, while WS10 is the softest at 155 ppm. See the full table above for every district.

Which water company supplies Walsall?

Walsall is supplied by Severn Trent Water, covering 15 postcode districts across West Midlands.

Is tap water in Walsall safe to drink?

Yes. All tap water in Walsall meets UK drinking water standards. Hardness affects taste and limescale buildup but not safety.

Does Walsall have any harder-water postcodes?

WS9 is the hardest district at 198 ppm (hard), though most of Walsall averages 179 ppm.