WaterWater Hardness in Romford
Greater London, London • 20 postcode districts
Very Hard
The average water hardness in Romford is 318 ppm, classified as very hard. Romford is served by Thames Water, covering 20 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 Romford
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| RM19 | Thames Water | 339 ppm | Very Hard | |
| RM18 | Thames Water | 338 ppm | Very Hard | |
| RM17 | Thames Water | 337 ppm | Very Hard | |
| RM16 | Thames Water | 336 ppm | Very Hard | |
| RM15 | Thames Water | 335 ppm | Very Hard | |
| RM14 | Thames Water | 334 ppm | Very Hard | |
| RM13 | Thames Water | 333 ppm | Very Hard | |
| RM12 | Thames Water | 332 ppm | Very Hard | |
| RM11 | Thames Water | 331 ppm | Very Hard | |
| RM10 | Thames Water | 330 ppm | Very Hard | |
| RM9 | Thames Water | 310 ppm | Very Hard | |
| RM8 | Thames Water | 309 ppm | Very Hard | |
| RM7 | Thames Water | 308 ppm | Very Hard | |
| RM6 | Thames Water | 307 ppm | Very Hard | |
| RM5 | Thames Water | 306 ppm | Very Hard | |
| RM4 | Thames Water | 305 ppm | Very Hard | |
| RM3 | Thames Water | 304 ppm | Very Hard | |
| RM2 | Thames Water | 303 ppm | Very Hard | |
| RM1 | Thames Water | 302 ppm | Very Hard | |
| RM20 | Thames Water | 262 ppm | Hard |
Water Companies Serving Romford
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