47mg of limescale minerals in every litre, the median across SK districts
Is Stockport a hard water area?
No. Tap water across the SK postcode area is soft, so limescale is not a problem here, with a median of 47 mg/L calcium carbonate. It ranges from 27 mg/L in SK5 to 138 mg/L in SK9, from 15 districts with their own water company reading and 4 estimated from the area.
- 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 SK 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 | Area | mg/L | Hardness |
|---|---|---|---|
| SK9 | Cheshire East | 138 | moderately hard |
| SK12 | Cheshire East | 98 | moderately soft |
| SK6 | Stockport | 72 | moderately soft |
| SK2 | Stockport | 69 | moderately soft |
| SK11 | Cheshire East | 64 | moderately soft |
| SK10 | Cheshire East | 59 | soft |
| SK7 | Stockport | 47 | soft |
| SK8 | Stockport | 47 | soft |
| SK23* | High Peak | 47 | soft |
| SK13* | High Peak | 47 | soft |
| SK17* | High Peak | 47 | soft |
| SK22* | High Peak | 47 | soft |
| SK15 | Tameside | 44 | soft |
| SK16 | Tameside | 44 | soft |
| SK14 | Tameside | 37 | soft |
| SK4 | Stockport | 28 | soft |
| SK3 | Stockport | 28 | soft |
| SK1 | Stockport | 28 | soft |
| SK5 | Stockport | 27 | soft |
You do not need a softener in Stockport.
At 47 mg/L the practical effects are minor. If you notice anything, it is usually chlorine rather than hardness: a shower filter or a filter jug deals with that.
Check your exact postcode
The area figure is a median. Your district can sit anywhere between 27 and 138 mg/L.
Questions about Stockport water
Is Stockport a hard water area?
No. The median hardness across SK postcode districts is 47 mg/L calcium carbonate, which is soft. 0% of the 19 districts we hold readings for are hard or very hard (180 mg/L and above).
What is the water hardness in Stockport?
Between 27 and 138 mg/L depending on the district, with a median of 47. The hardest measured district is SK9 at 138 mg/L and the softest is SK5 at 27. 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 Stockport?
Usually not. At a median of 47 mg/L limescale is a minor issue in Stockport. A filter jug or a shower filter covers the everyday effects. Only districts at 180 mg/L or above are worth a softener quote.
Hardness as mg/L calcium carbonate from water company drinking-water tests and postcode checkers. See the UK hardness map for every area.