WaterSouth East Water Water Hardness
Kent & Sussex • 17 postcodes served
Hard
297
Average ppm
292
Minimum ppm
301
Maximum ppm
17
Postcodes Served
About South East Water
South East Water supplies drinking water to 2.2 million customers across Kent, Sussex, Surrey, Berkshire and Hampshire. Chalk and greensand aquifers produce hard water throughout the region.
Hardness Distribution
0
Soft (0%)
0
Slightly Hard (0%)
0
Moderate (0%)
16
Hard (94%)
1
Very Hard (6%)
All Areas Served by South East Water
| Postcode | Town | Hardness | PPM | Level |
|---|---|---|---|---|
| CR9 | Croydon | 301 ppm | Very Hard | |
| BR8 | Swanley | 300 ppm | Hard | |
| CR8 | Purley | 300 ppm | Hard | |
| BR7 | Chislehurst | 299 ppm | Hard | |
| CR7 | Thornton Heath | 299 ppm | Hard | |
| BR6 | Orpington | 298 ppm | Hard | |
| CR6 | Warlingham | 298 ppm | Hard | |
| BR5 | Orpington | 297 ppm | Hard | |
| CR5 | Coulsdon | 297 ppm | Hard | |
| BR4 | West Wickham | 296 ppm | Hard | |
| CR4 | Mitcham | 296 ppm | Hard | |
| BR3 | Beckenham | 295 ppm | Hard | |
| CR3 | Caterham | 295 ppm | Hard | |
| BR2 | Bromley | 294 ppm | Hard | |
| CR2 | South Croydon | 294 ppm | Hard | |
| BR1 | Bromley | 293 ppm | Hard | |
| CR0 | Croydon | 292 ppm | Hard |
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