WaterWater Hardness in Northampton
Northamptonshire, East Midlands • 19 postcode districts
Hard
The average water hardness in Northampton is 278 ppm, classified as hard. Northampton is served by Anglian Water, covering 19 postcode districts across Northamptonshire in the East Midlands region.
Hardness varies across the area — see the table below for a breakdown by postcode district.
Water Hardness by Postcode in Northampton
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| NN9 | Anglian Water | 298 ppm | Hard | |
| NN29 | Anglian Water | 297 ppm | Hard | |
| NN8 | Anglian Water | 297 ppm | Hard | |
| NN7 | Anglian Water | 296 ppm | Hard | |
| NN6 | Anglian Water | 295 ppm | Hard | |
| NN5 | Anglian Water | 294 ppm | Hard | |
| NN4 | Anglian Water | 293 ppm | Hard | |
| NN3 | Anglian Water | 292 ppm | Hard | |
| NN2 | Anglian Water | 291 ppm | Hard | |
| NN1 | Anglian Water | 290 ppm | Hard | |
| NN18 | Anglian Water | 263 ppm | Hard | |
| NN17 | Anglian Water | 262 ppm | Hard | |
| NN16 | Anglian Water | 261 ppm | Hard | |
| NN15 | Anglian Water | 260 ppm | Hard | |
| NN14 | Anglian Water | 259 ppm | Hard | |
| NN13 | Anglian Water | 258 ppm | Hard | |
| NN12 | Anglian Water | 257 ppm | Hard | |
| NN11 | Anglian Water | 256 ppm | Hard | |
| NN10 | Anglian Water | 255 ppm | Hard |
Water Companies Serving Northampton
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