Is Peterborough a hard water area?
Yes. Tap water across the PE postcode area is very hard, the top band on the scale water companies use, with a median of 297 mg/L calcium carbonate. It ranges from 200 mg/L in PE24 to 384 mg/L in PE9, from 34 districts with their own water company reading and 2 estimated from the area.
- Soft
- Moderately soft
- Slightly hard
- Very hard
- Soft
- 0 to 60 mg/L
- Moderately soft
- 60 to 120 mg/L
- Slightly hard
- 120 to 180 mg/L
- Hard
- 180 to 200 mg/L
- Very hard
- 200 to 400 mg/L
Hardness by PE district
Hardest first. Hard starts at 180 mg/L, very hard at 250. Districts marked with an asterisk take the area's median rather than a reading of their own.
| District | mg/L | Hardness |
|---|---|---|
| PE9 | 384 | very hard |
| PE10 | 379 | very hard |
| PE11 | 379 | very hard |
| PE6 | 379 | very hard |
| PE21 | 350 | very hard |
| PE20 | 350 | very hard |
| PE22 | 350 | very hard |
| PE32 | 347 | very hard |
| PE37 | 347 | very hard |
| PE23 | 344 | very hard |
| PE36 | 331 | very hard |
| PE12 | 325 | very hard |
| PE30 | 307 | very hard |
| PE31 | 305 | very hard |
| PE35 | 300 | very hard |
| PE34 | 298 | very hard |
| PE33 | 298 | very hard |
| PE26* | 297 | very hard |
| PE27* | 297 | very hard |
| PE13 | 295 | very hard |
| PE14 | 295 | very hard |
| PE38 | 295 | very hard |
| PE28 | 288 | very hard |
| PE19 | 258 | very hard |
| PE29 | 258 | very hard |
| PE2 | 232 | hard |
| PE5 | 232 | hard |
| PE7 | 232 | hard |
| PE8 | 232 | hard |
| PE3 | 227 | hard |
| PE1 | 227 | hard |
| PE4 | 223 | hard |
| PE15 | 220 | hard |
| PE16 | 220 | hard |
| PE25 | 200 | hard |
| PE24 | 200 | hard |
Softener quotes for Peterborough
At 297 mg/L most PE homes get their money back on a softener within a few years. Free quotes from installers covering your postcode, no obligation.
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Check your exact postcode
The area figure is a median. Your district can sit anywhere between 200 and 384 mg/L.
Nearby areas
- Is Peterborough a hard water area?
- Yes. The median hardness across PE postcode districts is 297 mg/L calcium carbonate, which is very hard. 100% of the 36 districts we hold readings for are hard or very hard (180 mg/L and above).
- What is the water hardness in Peterborough?
- Between 200 and 384 mg/L depending on the district, with a median of 297. The hardest measured district is PE9 at 384 mg/L and the softest is PE24 at 200. Figures come from water company drinking-water tests, with postcode-area estimates for districts that have no reading of their own.
- Do I need a water softener in Peterborough?
- In most PE homes a softener pays for itself: at 297 mg/L kettles, boilers and showers scale up quickly. Check your own district first, because hardness varies from 200 to 384 within the area.
Hardness as mg/L calcium carbonate from water company drinking-water tests and postcode checkers. See the UK hardness map for every area.