WaterWater Hardness in Brighton
East Sussex, South East • 30 postcode districts
Hard
The average water hardness in Brighton is 271 ppm, classified as hard. Brighton is served by Southern Water, covering 30 postcode districts across East Sussex in the South East region.
Hardness varies across the area — see the table below for a breakdown by postcode district.
Water Hardness by Postcode in Brighton
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| BN45 | Southern Water | 321 ppm | Very Hard | |
| BN44 | Southern Water | 320 ppm | Very Hard | |
| BN43 | Southern Water | 319 ppm | Very Hard | |
| BN42 | Southern Water | 318 ppm | Very Hard | |
| BN41 | Southern Water | 317 ppm | Very Hard | |
| BN9 | Southern Water | 317 ppm | Very Hard | |
| BN8 | Southern Water | 316 ppm | Very Hard | |
| BN7 | Southern Water | 315 ppm | Very Hard | |
| BN6 | Southern Water | 314 ppm | Very Hard | |
| BN5 | Southern Water | 313 ppm | Very Hard | |
| BN3 | Southern Water | 311 ppm | Very Hard | |
| BN2 | Southern Water | 310 ppm | Very Hard | |
| BN1 | Southern Water | 309 ppm | Very Hard | |
| BN27 | Southern Water | 257 ppm | Hard | |
| BN26 | Southern Water | 256 ppm | Hard | |
| BN25 | Southern Water | 255 ppm | Hard | |
| BN24 | Southern Water | 254 ppm | Hard | |
| BN23 | Southern Water | 253 ppm | Hard | |
| BN22 | Southern Water | 252 ppm | Hard | |
| BN21 | Southern Water | 251 ppm | Hard | |
| BN20 | Southern Water | 250 ppm | Hard | |
| BN18 | Southern Water | 225 ppm | Hard | |
| BN17 | Southern Water | 224 ppm | Hard | |
| BN16 | Southern Water | 223 ppm | Hard | |
| BN15 | Southern Water | 222 ppm | Hard | |
| BN14 | Southern Water | 221 ppm | Hard | |
| BN13 | Southern Water | 220 ppm | Hard | |
| BN12 | Southern Water | 219 ppm | Hard | |
| BN11 | Southern Water | 218 ppm | Hard | |
| BN10 | Southern Water | 217 ppm | Hard |
Water Companies Serving Brighton
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