WaterWater Hardness in Wembley
Greater London, London • 10 postcode districts
Very Hard
The average water hardness in Wembley is 332 ppm, classified as very hard. Wembley is served by Thames Water, covering 10 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 Wembley
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| HA9 | Thames Water | 336 ppm | Very Hard | |
| HA8 | Thames Water | 335 ppm | Very Hard | |
| HA7 | Thames Water | 334 ppm | Very Hard | |
| HA6 | Thames Water | 333 ppm | Very Hard | |
| HA5 | Thames Water | 332 ppm | Very Hard | |
| HA4 | Thames Water | 331 ppm | Very Hard | |
| HA3 | Thames Water | 330 ppm | Very Hard | |
| HA2 | Thames Water | 329 ppm | Very Hard | |
| HA1 | Thames Water | 328 ppm | Very Hard | |
| HA0 | Thames Water | 327 ppm | Very Hard |
Water Companies Serving Wembley
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