Is Middlesbrough Water Hard or Soft?

Slightly Hard at 75 ppm • Teesside, North East

Slightly Hard

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.

Water Hardness by Postcode in Middlesbrough

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

Water Companies Serving Middlesbrough

Northumbrian Water

Average hardness: 101 ppm (Slightly Hard) • 122 postcodes served

Water Hardness Guides

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.

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.

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Get Water Hardness Updates

Be notified when your water company reports changes to hardness levels.