Water Hardness in West Wales

Wales • 51 postcode districts • 1 towns

Slightly Hard

Average ppm

Minimum ppm

117

Maximum ppm

Postcodes

Water Hardness Across West Wales

The average water hardness in West Wales is 72 ppm, classified as slightly hard. Across 51 postcode districts in the Wales region, hardness ranges from 38 ppm to 117 ppm.

West Wales is served by Welsh Water (Dwr Cymru). With slightly hard water, limescale is unlikely to be a major concern in most homes.

Towns in West Wales

Town	Avg Hardness	PPM	Level
Swansea	72 ppm	72 ppm	Slightly Hard

Water Companies in West Wales

Welsh Water (Dwr Cymru)

Average: 68 ppm (Slightly Hard)

All Postcodes in West Wales

Postcode	Town	Hardness	PPM	Level
SA39	Pencader	117 ppm	117 ppm	Slightly Hard
SA38	Newcastle Emlyn	116 ppm	116 ppm	Slightly Hard
SA37	Boncath	115 ppm	115 ppm	Slightly Hard
SA69	Saundersfoot	115 ppm	115 ppm	Slightly Hard
SA36	Glogue	114 ppm	114 ppm	Slightly Hard
SA68	Kilgetty	114 ppm	114 ppm	Slightly Hard
SA35	Llanfyrnach	113 ppm	113 ppm	Slightly Hard
SA67	Narberth	113 ppm	113 ppm	Slightly Hard
SA34	Whitland	112 ppm	112 ppm	Slightly Hard
SA66	Clynderwen	112 ppm	112 ppm	Slightly Hard
SA33	Carmarthen	111 ppm	111 ppm	Slightly Hard
SA65	Fishguard	111 ppm	111 ppm	Slightly Hard
SA32	Carmarthen	110 ppm	110 ppm	Slightly Hard
SA64	Goodwick	110 ppm	110 ppm	Slightly Hard
SA31	Carmarthen	109 ppm	109 ppm	Slightly Hard
SA63	Clarbeston Road	109 ppm	109 ppm	Slightly Hard
SA62	Haverfordwest	108 ppm	108 ppm	Slightly Hard
SA61	Haverfordwest	107 ppm	107 ppm	Slightly Hard
SA20	Llandovery	75 ppm	75 ppm	Slightly Hard
SA9	Swansea	66 ppm	66 ppm	Slightly Hard
SA8	Swansea	65 ppm	65 ppm	Slightly Hard
SA7	Swansea	64 ppm	64 ppm	Slightly Hard
SA6	Swansea	63 ppm	63 ppm	Slightly Hard
SA5	Swansea	62 ppm	62 ppm	Slightly Hard
SA4	Swansea	61 ppm	61 ppm	Slightly Hard
SA3	Swansea	60 ppm	60 ppm	Soft
SA2	Swansea	59 ppm	59 ppm	Soft
SA1	Swansea	58 ppm	58 ppm	Soft
SA19	Llandeilo	51 ppm	51 ppm	Soft
SA18	Ammanford	50 ppm	50 ppm	Soft
SA17	Kidwelly	49 ppm	49 ppm	Soft
SA16	Burry Port	48 ppm	48 ppm	Soft
SA48	Lampeter	48 ppm	48 ppm	Soft
SA15	Llanelli	47 ppm	47 ppm	Soft
SA47	Llanarth	47 ppm	47 ppm	Soft
SA14	Llanelli	46 ppm	46 ppm	Soft
SA46	Aberaeron	46 ppm	46 ppm	Soft
SA13	Port Talbot	45 ppm	45 ppm	Soft
SA45	New Quay	45 ppm	45 ppm	Soft
SA12	Port Talbot	44 ppm	44 ppm	Soft
SA44	Llandysul	44 ppm	44 ppm	Soft
SA11	Neath	43 ppm	43 ppm	Soft
SA43	Cardigan	43 ppm	43 ppm	Soft
SA10	Neath	42 ppm	42 ppm	Soft
SA42	Newport	42 ppm	42 ppm	Soft
SA41	Crymych	41 ppm	41 ppm	Soft
SA73	Milford Haven	41 ppm	41 ppm	Soft
SA40	Llanybydder	40 ppm	40 ppm	Soft
SA72	Pembroke Dock	40 ppm	40 ppm	Soft
SA71	Pembroke	39 ppm	39 ppm	Soft
SA70	Tenby	38 ppm	38 ppm	Soft

Hard Water Guides

Learn more about water hardness and how to manage it.

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