Water Hardness in Sutton

Greater London, London • 7 postcode districts

Hard

The average water hardness in Sutton is 239 ppm, classified as hard. Sutton is served by SES Water, covering 7 postcode districts across Greater London in the London region.

Hardness varies across the area — see the table below for a breakdown by postcode district.

Water Hardness by Postcode in Sutton

Postcode	Water Company	Hardness	PPM	Level
SM7	SES Water	242 ppm	242 ppm	Hard
SM6	SES Water	241 ppm	241 ppm	Hard
SM5	SES Water	240 ppm	240 ppm	Hard
SM4	SES Water	239 ppm	239 ppm	Hard
SM3	SES Water	238 ppm	238 ppm	Hard
SM2	SES Water	237 ppm	237 ppm	Hard
SM1	SES Water	236 ppm	236 ppm	Hard

Water Companies Serving Sutton

SES Water

Average hardness: 239 ppm (Hard) • 7 postcodes served

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