95mg of limescale minerals in every litre, the median across CH districts
Is Chester a hard water area?
No. Tap water across the CH postcode area is moderately soft, with little limescale to speak of, with a median of 95 mg/L calcium carbonate. It ranges from 89 mg/L in CH65 to 124 mg/L in CH28, from 26 districts with their own water company reading and 8 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 CH 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 |
|---|---|---|---|
| CH28 | Wirral | 124 | moderately hard |
| CH29 | Wirral | 124 | moderately hard |
| CH46 | Wirral | 124 | moderately hard |
| CH47 | Wirral | 124 | moderately hard |
| CH41 | Wirral | 100 | moderately soft |
| CH25 | Wirral | 100 | moderately soft |
| CH32 | Wirral | 100 | moderately soft |
| CH44 | Wirral | 100 | moderately soft |
| CH66 | Cheshire West and Chester | 98 | moderately soft |
| CH27 | Wirral | 96 | moderately soft |
| CH45 | Wirral | 96 | moderately soft |
| CH6* | Flintshire | 95 | moderately soft |
| CH3* | Cheshire West and Chester | 95 | moderately soft |
| CH8* | Flintshire | 95 | moderately soft |
| CH26 | Wirral | 95 | moderately soft |
| CH30 | Wirral | 95 | moderately soft |
| CH31 | Wirral | 95 | moderately soft |
| CH43 | Wirral | 95 | moderately soft |
| CH49 | Wirral | 95 | moderately soft |
| CH61 | Wirral | 95 | moderately soft |
| CH4* | Flintshire | 95 | moderately soft |
| CH7* | Flintshire | 95 | moderately soft |
| CH1* | Cheshire West and Chester | 95 | moderately soft |
| CH2* | Cheshire West and Chester | 95 | moderately soft |
| CH5* | Flintshire | 95 | moderately soft |
| CH60 | Wirral | 95 | moderately soft |
| CH48 | Wirral | 95 | moderately soft |
| CH42 | Wirral | 92 | moderately soft |
| CH62 | Wirral | 92 | moderately soft |
| CH63 | Wirral | 92 | moderately soft |
| CH33 | Cheshire West and Chester | 89 | moderately soft |
| CH34 | Cheshire West and Chester | 89 | moderately soft |
| CH64 | Cheshire West and Chester | 89 | moderately soft |
| CH65 | Cheshire West and Chester | 89 | moderately soft |
You do not need a softener in Chester.
At 95 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 89 and 124 mg/L.
Questions about Chester water
Is Chester a hard water area?
No. The median hardness across CH postcode districts is 95 mg/L calcium carbonate, which is moderately soft. 0% of the 34 districts we hold readings for are hard or very hard (180 mg/L and above).
What is the water hardness in Chester?
Between 89 and 124 mg/L depending on the district, with a median of 95. The hardest measured district is CH28 at 124 mg/L and the softest is CH65 at 89. 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 Chester?
Usually not. At a median of 95 mg/L limescale is a minor issue in Chester. 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.