Is St Albans a hard water area?
Yes. Tap water across the AL postcode area is very hard, the top band on the scale water companies use, with a median of 298 mg/L calcium carbonate. It ranges from 268 mg/L in AL3 to 326 mg/L in AL8, from 10 districts with their own water company reading.
- 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 AL district
Hardest first. Hard starts at 180 mg/L, very hard at 250.
| District | mg/L | Hardness |
|---|---|---|
| AL8 | 326 | very hard |
| AL5 | 321 | very hard |
| AL6 | 319 | very hard |
| AL10 | 304 | very hard |
| AL2 | 300 | very hard |
| AL4 | 296 | very hard |
| AL7 | 289 | very hard |
| AL1 | 288 | very hard |
| AL9 | 279 | very hard |
| AL3 | 268 | very hard |
Softener quotes for St Albans
At 298 mg/L most AL 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 268 and 326 mg/L.
Nearby areas
- Is St Albans a hard water area?
- Yes. The median hardness across AL postcode districts is 298 mg/L calcium carbonate, which is very hard. 100% of the 10 districts we hold readings for are hard or very hard (180 mg/L and above).
- What is the water hardness in St Albans?
- Between 268 and 326 mg/L depending on the district, with a median of 298. The hardest measured district is AL8 at 326 mg/L and the softest is AL3 at 268. Figures come from water company drinking-water tests.
- Do I need a water softener in St Albans?
- In most AL homes a softener pays for itself: at 298 mg/L kettles, boilers and showers scale up quickly. Check your own district first, because hardness varies from 268 to 326 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.