Mid Wales · Wales

Is Shrewsbury water hard or soft?

Soft at 43 ppm · 25 postcode districts

  • Supplier Welsh Water (Dwr Cymru)
  • County Mid Wales
  • Postcodes 25
Area average
43
ppm CaCO₃
Soft
Soft
Moderate
Hard
Very hard
0100200300400+

Shrewsbury water hardness at a glance

  1. Shrewsbury water is soft, averaging 43 ppm across 25 postcode districts.
  2. That is 164 ppm below the UK average of 207 ppm.
  3. The hardest district is SY10 at 120 ppm; the softest is SY11 at 20 ppm.
  4. The supplier is Welsh Water (Dwr Cymru).
  5. Limescale builds slowly at this level, so a softener is not usually needed.

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The average water hardness in Shrewsbury is 43 ppm, classified as soft. Shrewsbury is served by Welsh Water (Dwr Cymru), covering 25 postcode districts across Mid Wales in the Wales region.

Hardness varies across the area. See the table below for a breakdown by postcode district. SY10 has the hardest water at 120 ppm, while SY11 is the softest at 20 ppm.

By postcode

Water Hardness by Postcode in Shrewsbury

Sorted by hardness. Tap a postcode for full details.

Postcode Water Company Hardness PPM Level
SY10 Welsh Water (Dwr Cymru)
120
120 ppm Slightly Hard
SY25 Welsh Water (Dwr Cymru)
57
57 ppm Soft
SY24 Welsh Water (Dwr Cymru)
56
56 ppm Soft
SY23 Welsh Water (Dwr Cymru)
55
55 ppm Soft
SY22 Welsh Water (Dwr Cymru)
54
54 ppm Soft
SY21 Welsh Water (Dwr Cymru)
53
53 ppm Soft
SY20 Welsh Water (Dwr Cymru)
52
52 ppm Soft
SY9 Welsh Water (Dwr Cymru)
50
50 ppm Soft
SY8 Welsh Water (Dwr Cymru)
49
49 ppm Soft
SY7 Welsh Water (Dwr Cymru)
48
48 ppm Soft
SY6 Welsh Water (Dwr Cymru)
47
47 ppm Soft
SY5 Welsh Water (Dwr Cymru)
46
46 ppm Soft
SY4 Welsh Water (Dwr Cymru)
45
45 ppm Soft
SY3 Welsh Water (Dwr Cymru)
44
44 ppm Soft
SY2 Welsh Water (Dwr Cymru)
43
43 ppm Soft
SY1 Welsh Water (Dwr Cymru)
42
42 ppm Soft
SY19 Welsh Water (Dwr Cymru)
28
28 ppm Soft
SY18 Welsh Water (Dwr Cymru)
27
27 ppm Soft
SY17 Welsh Water (Dwr Cymru)
26
26 ppm Soft
SY16 Welsh Water (Dwr Cymru)
25
25 ppm Soft
SY15 Welsh Water (Dwr Cymru)
24
24 ppm Soft
SY14 Welsh Water (Dwr Cymru)
23
23 ppm Soft
SY13 Welsh Water (Dwr Cymru)
22
22 ppm Soft
SY12 Welsh Water (Dwr Cymru)
21
21 ppm Soft
SY11 Welsh Water (Dwr Cymru)
20
20 ppm Soft
Suppliers

Water Companies Serving Shrewsbury

Tap for full coverage area and hardness data.

Each water company publishes its own hardness data, so you can cross-check the Shrewsbury figures here against the published hardness data from Dwr Cymru Welsh Water.

Water Hardness Guides

Learn more about water hardness and how to manage it.

What Is Water Hardness? Effects Solutions Water Softeners Limescale Removal

Test Your Water in Shrewsbury

At 43 ppm, your water is soft. A home testing kit lets you verify the exact hardness and check for other contaminants.

TESPERT 16-in-1 Water Testing Kit

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

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FAQ

Common questions about Shrewsbury water

Is Shrewsbury water hard or soft?
Shrewsbury is classified as soft, averaging 43 ppm across 25 postcode districts. Limescale build-up is minimal at this level, though individual postcodes vary.
Which postcode in Shrewsbury has the hardest water?
SY10 has the hardest water in Shrewsbury at 120 ppm, while SY11 is the softest at 20 ppm. See the full table above for every district.
Which water company supplies Shrewsbury?
Shrewsbury is supplied by Welsh Water (Dwr Cymru), covering 25 postcode districts across Mid Wales.
Is tap water in Shrewsbury 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.
Does Shrewsbury have any harder-water postcodes?
SY10 is the hardest district at 120 ppm (slightly hard), though most of Shrewsbury averages 43 ppm.
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