Water Hardness in Somerset

South West • 43 postcode districts • 2 towns

Moderately Hard

139

Average ppm

Minimum ppm

291

Maximum ppm

Postcodes

Water Hardness Across Somerset

The average water hardness in Somerset is 139 ppm, classified as moderately hard. Across 43 postcode districts in the South West region, hardness ranges from 27 ppm to 291 ppm.

Somerset is served by South West Water and Wessex Water. With moderately hard water, limescale is unlikely to be a major concern in most homes.

Towns in Somerset

Town	Avg Hardness	PPM	Level
Bath	250 ppm	250 ppm	Hard
Taunton	51 ppm	51 ppm	Soft

Water Companies in Somerset

South West Water

Average: 80 ppm (Slightly Hard)

Wessex Water

Average: 231 ppm (Hard)

All Postcodes in Somerset

Postcode	Town	Hardness	PPM	Level
BA9	Wincanton	291 ppm	291 ppm	Hard
BA8	Templecombe	290 ppm	290 ppm	Hard
BA7	Castle Cary	289 ppm	289 ppm	Hard
BA6	Glastonbury	288 ppm	288 ppm	Hard
BA5	Wells	287 ppm	287 ppm	Hard
BA4	Shepton Mallet	286 ppm	286 ppm	Hard
BA3	Radstock	285 ppm	285 ppm	Hard
BA2	Bath	284 ppm	284 ppm	Hard
BA1	Bath	283 ppm	283 ppm	Hard
BA22	Yeovil	239 ppm	239 ppm	Hard
BA21	Yeovil	238 ppm	238 ppm	Hard
BA20	Yeovil	237 ppm	237 ppm	Hard
BA16	Street	210 ppm	210 ppm	Hard
BA15	Bradford On Avon	209 ppm	209 ppm	Hard
BA14	Trowbridge	208 ppm	208 ppm	Hard
BA13	Westbury	207 ppm	207 ppm	Hard
BA12	Warminster	206 ppm	206 ppm	Hard
BA11	Frome	205 ppm	205 ppm	Hard
BA10	Bruton	204 ppm	204 ppm	Hard
TA9	Highbridge	70 ppm	70 ppm	Slightly Hard
TA8	Burnham On Sea	69 ppm	69 ppm	Slightly Hard
TA7	Bridgwater	68 ppm	68 ppm	Slightly Hard
TA6	Bridgwater	67 ppm	67 ppm	Slightly Hard
TA5	Bridgwater	66 ppm	66 ppm	Slightly Hard
TA4	Taunton	65 ppm	65 ppm	Slightly Hard
TA24	Minehead	64 ppm	64 ppm	Slightly Hard
TA3	Taunton	64 ppm	64 ppm	Slightly Hard
TA2	Taunton	63 ppm	63 ppm	Slightly Hard
TA23	Watchet	63 ppm	63 ppm	Slightly Hard
TA1	Taunton	62 ppm	62 ppm	Slightly Hard
TA22	Dulverton	62 ppm	62 ppm	Slightly Hard
TA21	Wellington	61 ppm	61 ppm	Slightly Hard
TA20	Chard	60 ppm	60 ppm	Soft
TA19	Ilminster	36 ppm	36 ppm	Soft
TA18	Crewkerne	35 ppm	35 ppm	Soft
TA17	Hinton St George	34 ppm	34 ppm	Soft
TA16	Merriott	33 ppm	33 ppm	Soft
TA15	Montacute	32 ppm	32 ppm	Soft
TA14	Stoke Sub Hamdon	31 ppm	31 ppm	Soft
TA13	South Petherton	30 ppm	30 ppm	Soft
TA12	Martock	29 ppm	29 ppm	Soft
TA11	Somerton	28 ppm	28 ppm	Soft
TA10	Langport	27 ppm	27 ppm	Soft

Hard Water Guides

Learn more about water hardness and how to manage it.

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