WaterHard.uk

Is Carlisle Water Hard or Soft?

Hard at 205 ppm • Cumbria, North West

205 PPM 0 200 400
Hard

The average water hardness in Carlisle is 205 ppm, classified as hard. Carlisle is served by Severn Trent Water, covering 28 postcode districts across Cumbria in the North West region.

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

Water Hardness by Postcode in Carlisle

Postcode Water Company Hardness PPM Level
CA28 Severn Trent Water
244 ppm
244 ppm Hard
CA27 Severn Trent Water
243 ppm
243 ppm Hard
CA26 Severn Trent Water
242 ppm
242 ppm Hard
CA25 Severn Trent Water
241 ppm
241 ppm Hard
CA24 Severn Trent Water
240 ppm
240 ppm Hard
CA23 Severn Trent Water
239 ppm
239 ppm Hard
CA22 Severn Trent Water
238 ppm
238 ppm Hard
CA21 Severn Trent Water
237 ppm
237 ppm Hard
CA20 Severn Trent Water
236 ppm
236 ppm Hard
CA19 Severn Trent Water
212 ppm
212 ppm Hard
CA18 Severn Trent Water
211 ppm
211 ppm Hard
CA17 Severn Trent Water
210 ppm
210 ppm Hard
CA16 Severn Trent Water
209 ppm
209 ppm Hard
CA15 Severn Trent Water
208 ppm
208 ppm Hard
CA14 Severn Trent Water
207 ppm
207 ppm Hard
CA13 Severn Trent Water
206 ppm
206 ppm Hard
CA12 Severn Trent Water
205 ppm
205 ppm Hard
CA11 Severn Trent Water
204 ppm
204 ppm Hard
CA10 Severn Trent Water
203 ppm
203 ppm Hard
CA9 Severn Trent Water
172 ppm
172 ppm Moderately Hard
CA8 Severn Trent Water
171 ppm
171 ppm Moderately Hard
CA7 Severn Trent Water
170 ppm
170 ppm Moderately Hard
CA6 Severn Trent Water
169 ppm
169 ppm Moderately Hard
CA5 Severn Trent Water
168 ppm
168 ppm Moderately Hard
CA4 Severn Trent Water
167 ppm
167 ppm Moderately Hard
CA3 Severn Trent Water
166 ppm
166 ppm Moderately Hard
CA2 Severn Trent Water
165 ppm
165 ppm Moderately Hard
CA1 Severn Trent Water
164 ppm
164 ppm Moderately Hard

Water Companies Serving Carlisle

Severn Trent Water

Average hardness: 222 ppm (Hard) • 345 postcodes served

Water Hardness Guides

What Is Water Hardness? Effects Solutions Water Softeners Limescale Removal

Recommended Products for Carlisle

Popular choices for households dealing with hard water in this area.

Water2Buy W2B200 Water Softener

From ~£400

Best-value whole-house ion-exchange softener for UK homes. Eliminates limescale from pipes, boilers, and appliances. Digital metered regeneration — low salt use. 7-year warranty.

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Philips AWP1775 Shower Filter

From ~£30

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 ~6 months.

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BRITA Marella Water Filter Jug

From ~£20

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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