East Midlands · County

Water hardness in Derbyshire

Average 199 ppm across 23 postcodes and 1 towns.

Range 165–283 ppm
Towns 1
Suppliers Severn Trent Water

County average

199

ppm CaCO₃

Hard

Soft

Moderate

Hard

Very hard

0100200300400+

199

Avg ppm

165

Min ppm

283

Max ppm

Postcodes

Water Hardness Across Derbyshire

The average water hardness in Derbyshire is 199 ppm, classified as hard. Across 23 postcode districts in the East Midlands region, hardness ranges from 165 ppm to 283 ppm.

Derbyshire is served by Severn Trent Water. With hard water, limescale is unlikely to be a major concern in most homes.

By town

Towns in Derbyshire

Sorted by hardness — tap a town for full details.

Town	Hardness	PPM	Level
Derby	199	199 ppm	Hard

Suppliers

Water Companies in Derbyshire

Companies supplying water to this county.

Severn Trent Water

222 ppm Hard

All postcodes

Postcodes in Derbyshire

Every postcode district in the county, sorted by hardness.

Postcode	Town	Hardness	PPM	Level
DE45	Bakewell	283	283 ppm	Hard
DE75	Heanor	231	231 ppm	Hard
DE74	Derby	230	230 ppm	Hard
DE73	Derby	229	229 ppm	Hard
DE72	Derby	228	228 ppm	Hard
DE24	Derby	216	216 ppm	Hard
DE23	Derby	215	215 ppm	Hard
DE22	Derby	214	214 ppm	Hard
DE21	Derby	213	213 ppm	Hard
DE65	Derby	198	198 ppm	Hard
DE15	Burton On Trent	184	184 ppm	Hard
DE14	Burton On Trent	183	183 ppm	Hard
DE7	Ilkeston	183	183 ppm	Hard
DE13	Burton On Trent	182	182 ppm	Hard
DE6	Ashbourne	182	182 ppm	Hard
DE12	Swadlincote	181	181 ppm	Hard
DE5	Ripley	181	181 ppm	Hard
DE11	Swadlincote	180	180 ppm	Moderately Hard
DE4	Matlock	180	180 ppm	Moderately Hard
DE3	Derby	179	179 ppm	Moderately Hard
DE1	Derby	177	177 ppm	Moderately Hard
DE56	Belper	166	166 ppm	Moderately Hard
DE55	Alfreton	165	165 ppm	Moderately Hard

Recommended

Products for Derbyshire

Top picks for households in hard water areas.

Splendid Twin Tank Water Softener

From ~£400

Twin-tank electric softener sized for 1 to 7 bedroom homes. Removes limescale from pipes, boilers, and appliances and delivers continuous soft water, with metered regeneration to keep salt use low.

View on Amazon

Philips Shower Filter

From ~£30

Instant improvement for skin and hair. Reduces chlorine and limescale at the showerhead, no plumbing needed. A good first step before committing to a full softener.

View on Amazon

Hard Water Guides

Learn more about water hardness and how to manage it.

What Is Water Hardness? Hard Water Effects Solutions

All counties in East Midlands · Hardest water areas · Softest water areas · Hard water solutions

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