WaterWater Hardness in Dartford
Greater London, London • 18 postcode districts
Hard
The average water hardness in Dartford is 289 ppm, classified as hard. Dartford is served by Thames Water, covering 18 postcode districts across Greater London in the London region.
Hardness varies across the area — see the table below for a breakdown by postcode district.
Water Hardness by Postcode in Dartford
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| DA9 | Thames Water | 323 ppm | Very Hard | |
| DA8 | Thames Water | 322 ppm | Very Hard | |
| DA7 | Thames Water | 321 ppm | Very Hard | |
| DA6 | Thames Water | 320 ppm | Very Hard | |
| DA5 | Thames Water | 319 ppm | Very Hard | |
| DA4 | Thames Water | 318 ppm | Very Hard | |
| DA3 | Thames Water | 317 ppm | Very Hard | |
| DA2 | Thames Water | 316 ppm | Very Hard | |
| DA1 | Thames Water | 315 ppm | Very Hard | |
| DA18 | Thames Water | 262 ppm | Hard | |
| DA17 | Thames Water | 261 ppm | Hard | |
| DA16 | Thames Water | 260 ppm | Hard | |
| DA15 | Thames Water | 259 ppm | Hard | |
| DA14 | Thames Water | 258 ppm | Hard | |
| DA13 | Thames Water | 257 ppm | Hard | |
| DA12 | Thames Water | 256 ppm | Hard | |
| DA11 | Thames Water | 255 ppm | Hard | |
| DA10 | Thames Water | 254 ppm | Hard |
Water Companies Serving Dartford
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