Water Hardness in St Albans

Hertfordshire, South East • 10 postcode districts

Hard

The average water hardness in St Albans is 244 ppm, classified as hard. St Albans is served by Affinity Water, covering 10 postcode districts across Hertfordshire in the South East region.

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

Water Hardness by Postcode in St Albans

Postcode	Water Company	Hardness	PPM	Level
AL10	Affinity Water	254 ppm	254 ppm	Hard
AL9	Affinity Water	247 ppm	247 ppm	Hard
AL8	Affinity Water	246 ppm	246 ppm	Hard
AL7	Affinity Water	245 ppm	245 ppm	Hard
AL6	Affinity Water	244 ppm	244 ppm	Hard
AL5	Affinity Water	243 ppm	243 ppm	Hard
AL4	Affinity Water	242 ppm	242 ppm	Hard
AL3	Affinity Water	241 ppm	241 ppm	Hard
AL2	Affinity Water	240 ppm	240 ppm	Hard
AL1	Affinity Water	239 ppm	239 ppm	Hard

Water Companies Serving St Albans

Affinity Water

Average hardness: 268 ppm (Hard) • 33 postcodes served

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