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Water Hardness in Norwich

Norfolk, East Of England • 35 postcode districts

0 200 400 310 ppm
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
392 ppm Very Hard
NR18 Anglian Water
391 ppm
391 ppm Very Hard
NR17 Anglian Water
390 ppm
390 ppm Very Hard
NR16 Anglian Water
389 ppm
389 ppm Very Hard
NR15 Anglian Water
388 ppm
388 ppm Very Hard
NR14 Anglian Water
387 ppm
387 ppm Very Hard
NR13 Anglian Water
386 ppm
386 ppm Very Hard
NR12 Anglian Water
385 ppm
385 ppm Very Hard
NR11 Anglian Water
384 ppm
384 ppm Very Hard
NR10 Anglian Water
383 ppm
383 ppm Very Hard
NR35 Anglian Water
303 ppm
303 ppm Very Hard
NR34 Anglian Water
302 ppm
302 ppm Very Hard
NR33 Anglian Water
301 ppm
301 ppm Very Hard
NR32 Anglian Water
300 ppm
300 ppm Hard
NR31 Anglian Water
299 ppm
299 ppm Hard
NR30 Anglian Water
298 ppm
298 ppm Hard
NR9 Anglian Water
279 ppm
279 ppm Hard
NR8 Anglian Water
278 ppm
278 ppm Hard
NR7 Anglian Water
277 ppm
277 ppm Hard
NR6 Anglian Water
276 ppm
276 ppm Hard
NR5 Anglian Water
275 ppm
275 ppm Hard
NR29 Anglian Water
274 ppm
274 ppm Hard
NR4 Anglian Water
274 ppm
274 ppm Hard
NR28 Anglian Water
273 ppm
273 ppm Hard
NR3 Anglian Water
273 ppm
273 ppm Hard
NR2 Anglian Water
272 ppm
272 ppm Hard
NR27 Anglian Water
272 ppm
272 ppm Hard
NR1 Anglian Water
271 ppm
271 ppm Hard
NR26 Anglian Water
271 ppm
271 ppm Hard
NR25 Anglian Water
270 ppm
270 ppm Hard
NR24 Anglian Water
269 ppm
269 ppm Hard
NR23 Anglian Water
268 ppm
268 ppm Hard
NR22 Anglian Water
267 ppm
267 ppm Hard
NR21 Anglian Water
266 ppm
266 ppm Hard
NR20 Anglian Water
265 ppm
265 ppm Hard

Water Companies Serving Norwich

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