Gwent · Wales

Is Newport water hard or soft?

Slightly Hard at 83 ppm · 18 postcode districts

  • Supplier Welsh Water (Dwr Cymru)
  • County Gwent
  • Postcodes 18
Area average
83
ppm CaCO₃
Slightly Hard
Soft
Moderate
Hard
Very hard
0100200300400+

The average water hardness in Newport is 83 ppm, classified as slightly hard. Newport is served by Welsh Water (Dwr Cymru), covering 18 postcode districts across Gwent in the Wales region.

Hardness varies across the area — see the table below for a breakdown by postcode district.

By postcode

Water Hardness by Postcode in Newport

Sorted by hardness — tap a postcode for full details.

Postcode Water Company Hardness PPM Level
NP19 Welsh Water (Dwr Cymru)
119
119 ppm Slightly Hard
NP18 Welsh Water (Dwr Cymru)
118
118 ppm Slightly Hard
NP16 Welsh Water (Dwr Cymru)
116
116 ppm Slightly Hard
NP15 Welsh Water (Dwr Cymru)
115
115 ppm Slightly Hard
NP13 Welsh Water (Dwr Cymru)
113
113 ppm Slightly Hard
NP12 Welsh Water (Dwr Cymru)
112
112 ppm Slightly Hard
NP44 Welsh Water (Dwr Cymru)
112
112 ppm Slightly Hard
NP11 Welsh Water (Dwr Cymru)
111
111 ppm Slightly Hard
NP10 Welsh Water (Dwr Cymru)
110
110 ppm Slightly Hard
NP8 Welsh Water (Dwr Cymru)
64
64 ppm Slightly Hard
NP7 Welsh Water (Dwr Cymru)
63
63 ppm Slightly Hard
NP4 Welsh Water (Dwr Cymru)
60
60 ppm Soft
NP26 Welsh Water (Dwr Cymru)
48
48 ppm Soft
NP25 Welsh Water (Dwr Cymru)
47
47 ppm Soft
NP24 Welsh Water (Dwr Cymru)
46
46 ppm Soft
NP23 Welsh Water (Dwr Cymru)
45
45 ppm Soft
NP22 Welsh Water (Dwr Cymru)
44
44 ppm Soft
NP20 Welsh Water (Dwr Cymru)
42
42 ppm Soft
Suppliers

Water Companies Serving Newport

Tap for full coverage area and hardness data.

Welsh Water (Dwr Cymru)

68 ppm Slightly Hard

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 Newport

At 83 ppm, your water is slightly hard. A home testing kit lets you verify the exact hardness and check for other contaminants.

SJ WAVE 16-in-1 Water Testing Kit

From ~£10

Quick home water test strips — checks hardness, pH, chlorine, lead, and 12 other parameters. Results in 60 seconds. 100 strips per pack.

View on Amazon

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