WaterWater Hardness in Doncaster
South Yorkshire, Yorkshire • 32 postcode districts
Hard
The average water hardness in Doncaster is 199 ppm, classified as hard. Doncaster is served by Yorkshire Water, covering 32 postcode districts across South 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 Doncaster
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| DN41 | Yorkshire Water | 265 ppm | Hard | |
| DN40 | Yorkshire Water | 264 ppm | Hard | |
| DN39 | Yorkshire Water | 240 ppm | Hard | |
| DN38 | Yorkshire Water | 239 ppm | Hard | |
| DN37 | Yorkshire Water | 238 ppm | Hard | |
| DN36 | Yorkshire Water | 237 ppm | Hard | |
| DN35 | Yorkshire Water | 236 ppm | Hard | |
| DN34 | Yorkshire Water | 235 ppm | Hard | |
| DN33 | Yorkshire Water | 234 ppm | Hard | |
| DN32 | Yorkshire Water | 233 ppm | Hard | |
| DN31 | Yorkshire Water | 232 ppm | Hard | |
| DN22 | Yorkshire Water | 200 ppm | Hard | |
| DN21 | Yorkshire Water | 199 ppm | Hard | |
| DN20 | Yorkshire Water | 198 ppm | Hard | |
| DN9 | Yorkshire Water | 180 ppm | Moderately Hard | |
| DN8 | Yorkshire Water | 179 ppm | Moderately Hard | |
| DN7 | Yorkshire Water | 178 ppm | Moderately Hard | |
| DN6 | Yorkshire Water | 177 ppm | Moderately Hard | |
| DN5 | Yorkshire Water | 176 ppm | Moderately Hard | |
| DN4 | Yorkshire Water | 175 ppm | Moderately Hard | |
| DN19 | Yorkshire Water | 174 ppm | Moderately Hard | |
| DN3 | Yorkshire Water | 174 ppm | Moderately Hard | |
| DN18 | Yorkshire Water | 173 ppm | Moderately Hard | |
| DN2 | Yorkshire Water | 173 ppm | Moderately Hard | |
| DN1 | Yorkshire Water | 172 ppm | Moderately Hard | |
| DN17 | Yorkshire Water | 172 ppm | Moderately Hard | |
| DN16 | Yorkshire Water | 171 ppm | Moderately Hard | |
| DN15 | Yorkshire Water | 170 ppm | Moderately Hard | |
| DN14 | Yorkshire Water | 169 ppm | Moderately Hard | |
| DN12 | Yorkshire Water | 167 ppm | Moderately Hard | |
| DN11 | Yorkshire Water | 166 ppm | Moderately Hard | |
| DN10 | Yorkshire Water | 165 ppm | Moderately Hard |
Water Companies Serving Doncaster
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