Is York a hard water area?
Yes. Tap water across the YO postcode area is very hard, the top band on the scale water companies use, with a median of 252 mg/L calcium carbonate. It ranges from 61 mg/L in YO22 to 307 mg/L in YO19, from 28 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 YO 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 |
|---|---|---|
| YO19 | 307 | very hard |
| YO62 | 299 | very hard |
| YO15 | 297 | very hard |
| YO41 | 297 | very hard |
| YO42 | 296 | very hard |
| YO16 | 295 | very hard |
| YO17 | 295 | very hard |
| YO60 | 287 | very hard |
| YO24 | 279 | very hard |
| YO8 | 277 | very hard |
| YO23 | 270 | very hard |
| YO10 | 268 | very hard |
| YO1 | 260 | very hard |
| YO26 | 254 | very hard |
| YO43* | 252 | very hard |
| YO7 | 250 | very hard |
| YO30 | 249 | hard |
| YO25 | 245 | hard |
| YO14 | 238 | hard |
| YO31 | 238 | hard |
| YO18 | 233 | hard |
| YO32 | 230 | hard |
| YO11 | 218 | hard |
| YO51 | 212 | hard |
| YO61 | 206 | hard |
| YO12 | 199 | hard |
| YO13 | 196 | hard |
| YO21 | 73 | moderately soft |
| YO22 | 61 | moderately soft |
Softener quotes for York
At 252 mg/L most YO 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 61 and 307 mg/L.
Nearby areas
- Is York a hard water area?
- Yes. The median hardness across YO postcode districts is 252 mg/L calcium carbonate, which is very hard. 93% of the 29 districts we hold readings for are hard or very hard (180 mg/L and above).
- What is the water hardness in York?
- Between 61 and 307 mg/L depending on the district, with a median of 252. The hardest measured district is YO19 at 307 mg/L and the softest is YO22 at 61. 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 York?
- In most YO homes a softener pays for itself: at 252 mg/L kettles, boilers and showers scale up quickly. Check your own district first, because hardness varies from 61 to 307 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.