WaterWater Hardness in Norwich
Norfolk, East Of England • 35 postcode districts
Very Hard
The average water hardness in Norwich is 310 ppm, classified as very hard. Norwich is served by Anglian Water, covering 35 postcode districts across Norfolk in the East Of England region.
Hardness varies across the area — see the table below for a breakdown by postcode district.
Water Hardness by Postcode in Norwich
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| NR19 | Anglian Water | 392 ppm | Very Hard | |
| NR18 | Anglian Water | 391 ppm | Very Hard | |
| NR17 | Anglian Water | 390 ppm | Very Hard | |
| NR16 | Anglian Water | 389 ppm | Very Hard | |
| NR15 | Anglian Water | 388 ppm | Very Hard | |
| NR14 | Anglian Water | 387 ppm | Very Hard | |
| NR13 | Anglian Water | 386 ppm | Very Hard | |
| NR12 | Anglian Water | 385 ppm | Very Hard | |
| NR11 | Anglian Water | 384 ppm | Very Hard | |
| NR10 | Anglian Water | 383 ppm | Very Hard | |
| NR35 | Anglian Water | 303 ppm | Very Hard | |
| NR34 | Anglian Water | 302 ppm | Very Hard | |
| NR33 | Anglian Water | 301 ppm | Very Hard | |
| NR32 | Anglian Water | 300 ppm | Hard | |
| NR31 | Anglian Water | 299 ppm | Hard | |
| NR30 | Anglian Water | 298 ppm | Hard | |
| NR9 | Anglian Water | 279 ppm | Hard | |
| NR8 | Anglian Water | 278 ppm | Hard | |
| NR7 | Anglian Water | 277 ppm | Hard | |
| NR6 | Anglian Water | 276 ppm | Hard | |
| NR5 | Anglian Water | 275 ppm | Hard | |
| NR29 | Anglian Water | 274 ppm | Hard | |
| NR4 | Anglian Water | 274 ppm | Hard | |
| NR28 | Anglian Water | 273 ppm | Hard | |
| NR3 | Anglian Water | 273 ppm | Hard | |
| NR2 | Anglian Water | 272 ppm | Hard | |
| NR27 | Anglian Water | 272 ppm | Hard | |
| NR1 | Anglian Water | 271 ppm | Hard | |
| NR26 | Anglian Water | 271 ppm | Hard | |
| NR25 | Anglian Water | 270 ppm | Hard | |
| NR24 | Anglian Water | 269 ppm | Hard | |
| NR23 | Anglian Water | 268 ppm | Hard | |
| NR22 | Anglian Water | 267 ppm | Hard | |
| NR21 | Anglian Water | 266 ppm | Hard | |
| NR20 | Anglian Water | 265 ppm | Hard |
Water Companies Serving Norwich
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