Teesside · North East

Is Middlesbrough water hard or soft?

Slightly Hard at 75 ppm · 29 postcode districts

  • Supplier Northumbrian Water
  • County Teesside
  • Postcodes 29
Area average
75
ppm CaCO₃
Slightly Hard
Soft
Moderate
Hard
Very hard
0100200300400+

Middlesbrough water hardness at a glance

  1. Middlesbrough water is slightly hard, averaging 75 ppm across 29 postcode districts.
  2. That is 132 ppm below the UK average of 207 ppm.
  3. The hardest district is TS29 at 103 ppm; the softest is TS1 at 54 ppm.
  4. The supplier is Northumbrian Water.
  5. Limescale builds slowly at this level, so a softener is not usually needed.

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Be notified when water companies in Middlesbrough report changes to hardness levels.

The average water hardness in Middlesbrough is 75 ppm, classified as slightly hard. Middlesbrough is served by Northumbrian Water, covering 29 postcode districts across Teesside in the North East region.

Hardness varies across the area. See the table below for a breakdown by postcode district. TS29 has the hardest water at 103 ppm, while TS1 is the softest at 54 ppm.

By postcode

Water Hardness by Postcode in Middlesbrough

Sorted by hardness. Tap a postcode for full details.

Postcode Water Company Hardness PPM Level
TS29 Northumbrian Water
103
103 ppm Slightly Hard
TS28 Northumbrian Water
102
102 ppm Slightly Hard
TS27 Northumbrian Water
101
101 ppm Slightly Hard
TS26 Northumbrian Water
100
100 ppm Slightly Hard
TS25 Northumbrian Water
99
99 ppm Slightly Hard
TS24 Northumbrian Water
98
98 ppm Slightly Hard
TS23 Northumbrian Water
97
97 ppm Slightly Hard
TS22 Northumbrian Water
96
96 ppm Slightly Hard
TS21 Northumbrian Water
95
95 ppm Slightly Hard
TS20 Northumbrian Water
94
94 ppm Slightly Hard
TS19 Northumbrian Water
70
70 ppm Slightly Hard
TS18 Northumbrian Water
69
69 ppm Slightly Hard
TS17 Northumbrian Water
68
68 ppm Slightly Hard
TS16 Northumbrian Water
67
67 ppm Slightly Hard
TS15 Northumbrian Water
66
66 ppm Slightly Hard
TS14 Northumbrian Water
65
65 ppm Slightly Hard
TS13 Northumbrian Water
64
64 ppm Slightly Hard
TS12 Northumbrian Water
63
63 ppm Slightly Hard
TS11 Northumbrian Water
62
62 ppm Slightly Hard
TS9 Northumbrian Water
62
62 ppm Slightly Hard
TS10 Northumbrian Water
61
61 ppm Slightly Hard
TS8 Northumbrian Water
61
61 ppm Slightly Hard
TS7 Northumbrian Water
60
60 ppm Soft
TS6 Northumbrian Water
59
59 ppm Soft
TS5 Northumbrian Water
58
58 ppm Soft
TS4 Northumbrian Water
57
57 ppm Soft
TS3 Northumbrian Water
56
56 ppm Soft
TS2 Northumbrian Water
55
55 ppm Soft
TS1 Northumbrian Water
54
54 ppm Soft
Suppliers

Water Companies Serving Middlesbrough

Tap for full coverage area and hardness data.

Northumbrian Water

101 ppm Slightly Hard

Each water company publishes its own hardness data, so you can cross-check the Middlesbrough figures here against the published hardness data from Northumbrian 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 Middlesbrough

At 75 ppm, your water is slightly hard. 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 Middlesbrough water

Is Middlesbrough water hard or soft?
Middlesbrough is classified as slightly hard, averaging 75 ppm across 29 postcode districts. Limescale build-up is minimal at this level, though individual postcodes vary.
Which postcode in Middlesbrough has the hardest water?
TS29 has the hardest water in Middlesbrough at 103 ppm, while TS1 is the softest at 54 ppm. See the full table above for every district.
Which water company supplies Middlesbrough?
Middlesbrough is supplied by Northumbrian Water, covering 29 postcode districts across Teesside.
Is tap water in Middlesbrough 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 Middlesbrough have any harder-water postcodes?
TS29 is the hardest district at 103 ppm (slightly hard), though most of Middlesbrough averages 75 ppm.
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