Nottinghamshire · East Midlands

Is Nottingham water hard or soft?

Hard at 243 ppm · 30 postcode districts

  • Supplier Severn Trent Water
  • County Nottinghamshire
  • Postcodes 30
Area average
243
ppm CaCO₃
Hard
Soft
Moderate
Hard
Very hard
0100200300400+

Nottingham water hardness at a glance

  1. Nottingham water is hard, averaging 243 ppm across 30 postcode districts.
  2. That is 36 ppm above the UK average of 207 ppm.
  3. The hardest district is NG31 at 300 ppm; the softest is NG32 at 150 ppm.
  4. The supplier is Severn Trent Water.
  5. Expect limescale on kettles, taps and showerheads; see the water softener guide for sizing and costs.

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The average water hardness in Nottingham is 243 ppm, classified as hard. Nottingham is served by Severn Trent Water, covering 30 postcode districts across Nottinghamshire in the East Midlands region.

Hardness varies across the area. See the table below for a breakdown by postcode district. NG31 has the hardest water at 300 ppm, while NG32 is the softest at 150 ppm.

By postcode

Water Hardness by Postcode in Nottingham

Sorted by hardness. Tap a postcode for full details.

Postcode Water Company Hardness PPM Level
NG31 Severn Trent Water
300
300 ppm Hard
NG25 Severn Trent Water
271
271 ppm Hard
NG24 Severn Trent Water
270
270 ppm Hard
NG23 Severn Trent Water
269
269 ppm Hard
NG9 Severn Trent Water
269
269 ppm Hard
NG22 Severn Trent Water
268
268 ppm Hard
NG8 Severn Trent Water
268
268 ppm Hard
NG21 Severn Trent Water
267
267 ppm Hard
NG7 Severn Trent Water
267
267 ppm Hard
NG20 Severn Trent Water
266
266 ppm Hard
NG6 Severn Trent Water
266
266 ppm Hard
NG5 Severn Trent Water
265
265 ppm Hard
NG4 Severn Trent Water
264
264 ppm Hard
NG3 Severn Trent Water
263
263 ppm Hard
NG2 Severn Trent Water
262
262 ppm Hard
NG1 Severn Trent Water
261
261 ppm Hard
NG19 Severn Trent Water
242
242 ppm Hard
NG18 Severn Trent Water
241
241 ppm Hard
NG17 Severn Trent Water
240
240 ppm Hard
NG16 Severn Trent Water
239
239 ppm Hard
NG15 Severn Trent Water
238
238 ppm Hard
NG14 Severn Trent Water
237
237 ppm Hard
NG13 Severn Trent Water
236
236 ppm Hard
NG12 Severn Trent Water
235
235 ppm Hard
NG11 Severn Trent Water
234
234 ppm Hard
NG10 Severn Trent Water
233
233 ppm Hard
NG80 Severn Trent Water
162
162 ppm Moderately Hard
NG34 Severn Trent Water
152
152 ppm Moderately Hard
NG33 Severn Trent Water
151
151 ppm Moderately Hard
NG32 Severn Trent Water
150
150 ppm Moderately Hard
Suppliers

Water Companies Serving Nottingham

Tap for full coverage area and hardness data.

Severn Trent Water

222 ppm Hard

Each water company publishes its own hardness data, so you can cross-check the Nottingham figures here against the published hardness data from Severn Trent Water.

Water Hardness Guides

Learn more about water hardness and how to manage it.

What Is Water Hardness? Effects Solutions Water Softeners Limescale Removal
Recommended

Products for Nottingham

Popular choices for households dealing with hard water.

Splendid Twin Tank Water Softener

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.

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Philips Shower Filter

Quick win for skin and hair in hard water areas. Reduces chlorine and limescale, fits standard shower hoses in minutes, no tools needed. Cartridge lasts around 6 months.

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BRITA Marella Water Filter Jug

UK's best-selling filter jug. Reduces limescale, chlorine, and metals for better-tasting tap water. Quick first step alongside a softener.

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FAQ

Common questions about Nottingham water

Is Nottingham water hard or soft?
Nottingham is classified as hard, averaging 243 ppm across 30 postcode districts. Expect visible limescale on kettles and taps within weeks at this level.
Which postcode in Nottingham has the hardest water?
NG31 has the hardest water in Nottingham at 300 ppm, while NG32 is the softest at 150 ppm. See the full table above for every district.
Which water company supplies Nottingham?
Nottingham is supplied by Severn Trent Water, covering 30 postcode districts across Nottinghamshire.
Is tap water in Nottingham 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.
Do I need a water softener in Nottingham?
At 243 ppm, many households in Nottingham notice limescale in kettles and showerheads within weeks. A shower filter is the cheapest first step; a whole-house softener gives the most complete protection.
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