WaterWater Hardness in Hull
East Yorkshire, Yorkshire • 20 postcode districts
Hard
The average water hardness in Hull is 237 ppm, classified as hard. Hull is served by Yorkshire Water, covering 20 postcode districts across East Yorkshire in the Yorkshire region.
Hardness varies across the area — see the table below for a breakdown by postcode district.
Water Hardness by Postcode in Hull
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| HU20 | Yorkshire Water | 267 ppm | Hard | |
| HU19 | Yorkshire Water | 243 ppm | Hard | |
| HU18 | Yorkshire Water | 242 ppm | Hard | |
| HU17 | Yorkshire Water | 241 ppm | Hard | |
| HU16 | Yorkshire Water | 240 ppm | Hard | |
| HU15 | Yorkshire Water | 239 ppm | Hard | |
| HU14 | Yorkshire Water | 238 ppm | Hard | |
| HU13 | Yorkshire Water | 237 ppm | Hard | |
| HU9 | Yorkshire Water | 237 ppm | Hard | |
| HU12 | Yorkshire Water | 236 ppm | Hard | |
| HU8 | Yorkshire Water | 236 ppm | Hard | |
| HU11 | Yorkshire Water | 235 ppm | Hard | |
| HU7 | Yorkshire Water | 235 ppm | Hard | |
| HU10 | Yorkshire Water | 234 ppm | Hard | |
| HU6 | Yorkshire Water | 234 ppm | Hard | |
| HU5 | Yorkshire Water | 233 ppm | Hard | |
| HU4 | Yorkshire Water | 232 ppm | Hard | |
| HU3 | Yorkshire Water | 231 ppm | Hard | |
| HU2 | Yorkshire Water | 230 ppm | Hard | |
| HU1 | Yorkshire Water | 229 ppm | Hard |
Water Companies Serving Hull
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