Is Salisbury a hard water area?
Yes. Tap water across the SP 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 274 mg/L in SP1 to 355 mg/L in SP11, from 10 districts with their own water company reading and 1 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 SP 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 |
|---|---|---|
| SP11 | 355 | very hard |
| SP6 | 330 | very hard |
| SP9 | 313 | very hard |
| SP7 | 307 | very hard |
| SP2 | 302 | very hard |
| SP10* | 297 | very hard |
| SP4 | 292 | very hard |
| SP5 | 288 | very hard |
| SP3 | 285 | very hard |
| SP8 | 275 | very hard |
| SP1 | 274 | very hard |
Softener quotes for Salisbury
At 297 mg/L most SP homes get their money back on a softener within a few years. Free quotes from installers covering your postcode, no obligation.
Request a free assessment and we'll come back to you with local installer options for your area.
100%
free, no obligation
shared only with your consent
Check your exact postcode
The area figure is a median. Your district can sit anywhere between 274 and 355 mg/L.
Nearby areas
- Is Salisbury a hard water area?
- Yes. The median hardness across SP postcode districts is 297 mg/L calcium carbonate, which is very hard. 100% of the 11 districts we hold readings for are hard or very hard (180 mg/L and above).
- What is the water hardness in Salisbury?
- Between 274 and 355 mg/L depending on the district, with a median of 297. The hardest measured district is SP11 at 355 mg/L and the softest is SP1 at 274. 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 Salisbury?
- In most SP 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 274 to 355 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.