WATER HARDNESS - WALES

The water hardness data for Wales in this chart has been verified by Aquatell directly from primary sources. Every value comes from the water quality reports or database published by the water supplier for the area.

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Water hardness by city, town and village in Wales, grouped by council area
City / Town / Village(water supply zone)	Council Area	Postcode	*Recommended Setting(softeners & appliances, mg/l)	gpg	°Clark	°dH	°fH	Source
Council Area: Blaenau Gwent
BlainaAbergavenny / Cwmtillery	Blaenau Gwent	NP13 1 Shared postcode	46	2.7	3.2	2.6	4.6	Source
BlainaEbbw Vale / Brynmawr	Blaenau Gwent	NP13 3 Shared postcode	60	3.5	4.2	3.4	6	Source
BrynmawrEbbw Vale / Brynmawr	Blaenau Gwent	NP23	60	3.5	4.2	3.4	6	Source
CwmRassau / Sirhowy Valley	Blaenau Gwent	NP12	55	3.2	3.9	3.1	5.5	Source
CwmEbbw Vale / Brynmawr	Blaenau Gwent	NP23	60	3.5	4.2	3.4	6	Source
Cwm Nant-gamAbergavenny / Cwmtillery	Blaenau Gwent	NP7	46	2.7	3.2	2.6	4.6	Source
Cwm Nant-gamEbbw Vale / Brynmawr	Blaenau Gwent	NP23	60	3.5	4.2	3.4	6	Source
Ebbw ValeRassau / Sirhowy Valley	Blaenau Gwent	NP23 4, NP23 5, NP23 6, NP23 8, NP23 9 Shared postcode	55	3.2	3.9	3.1	5.5	Source
Ebbw ValeEbbw Vale / Brynmawr	Blaenau Gwent	NP23 6, NP23 8, NP23 9 Shared postcode	60	3.5	4.2	3.4	6	Source
NantygloEbbw Vale / Brynmawr	Blaenau Gwent	NP13, NP23	60	3.5	4.2	3.4	6	Source
St IlltydAbergavenny / Cwmtillery	Blaenau Gwent	NP13 2 Shared postcode	46	2.7	3.2	2.6	4.6	Source
SwffrydMalpas / Caerleon / Cwmbran	Blaenau Gwent	NP11 5 Shared postcode	113	6.6	7.9	6.3	11.3	Source
TredegarRassau / Sirhowy Valley	Blaenau Gwent	NP22, NP23	55	3.2	3.9	3.1	5.5	Source
TrefilRassau / Sirhowy Valley	Blaenau Gwent	NP22	55	3.2	3.9	3.1	5.5	Source
TroedrhiwgwairRassau / Sirhowy Valley	Blaenau Gwent	NP22	55	3.2	3.9	3.1	5.5	Source
TroedrhiwgwairEbbw Vale / Brynmawr	Blaenau Gwent	NP23	60	3.5	4.2	3.4	6	Source
Council Area: Bridgend
AberkenfigBridgend / Porthcawl, Pencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source 1 Source 2
BettwsPencoed / Bridgend Valleys	Bridgend	CF32, CF35	48	2.8	3.4	2.7	4.8	Source
BlackmillPencoed / Bridgend Valleys	Bridgend	CF35	48	2.8	3.4	2.7	4.8	Source
BlaengarwPencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
BridgendBridgend / Porthcawl, Pencoed / Bridgend Valleys	Bridgend	CF31, CF32, CF35	48	2.8	3.4	2.7	4.8	Source 1 Source 2
BryncethinPencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
BrynmenynPencoed / Bridgend Valleys	Bridgend	CF32, CF35	48	2.8	3.4	2.7	4.8	Source
Cefn CribwrBridgend / Porthcawl	Bridgend	CF32 0, CF33 Shared postcode	48	2.8	3.3	2.7	4.8	Source
Cefn CribwrPort Talbot	Bridgend	CF32 0 Shared postcode	51	3	3.6	2.9	5.1	Source
Court ColmanBridgend / Porthcawl	Bridgend	CF31, CF32 0 Shared postcode	48	2.8	3.3	2.7	4.8	Source
Court ColmanPort Talbot	Bridgend	CF32 0 Shared postcode	51	3	3.6	2.9	5.1	Source
CoytrahenPencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
DerwenPencoed / Bridgend Valleys	Bridgend	CF35	48	2.8	3.4	2.7	4.8	Source
Ffordd-y-GyfraithPort Talbot	Bridgend	CF32	51	3	3.6	2.9	5.1	Source
FountainPort Talbot	Bridgend	CF32	51	3	3.6	2.9	5.1	Source
GlynllanPencoed / Bridgend Valleys	Bridgend	CF35	48	2.8	3.4	2.7	4.8	Source
GlynogwrPencoed / Bridgend Valleys	Bridgend	CF35	48	2.8	3.4	2.7	4.8	Source
HendrePencoed / Bridgend Valleys	Bridgend	CF35	48	2.8	3.4	2.7	4.8	Source
Heol-y-CywPencoed / Bridgend Valleys	Bridgend	CF35	48	2.8	3.4	2.7	4.8	Source
HernstonBridgend / Porthcawl	Bridgend	CF31	48	2.8	3.3	2.7	4.8	Source
Hoel-laethogPencoed / Bridgend Valleys	Bridgend	CF32, CF35	48	2.8	3.4	2.7	4.8	Source
KenfigBridgend / Porthcawl	Bridgend	CF36	48	2.8	3.3	2.7	4.8	Source
KenfigPort Talbot	Bridgend	CF33	51	3	3.6	2.9	5.1	Source
Kenfig HillPort Talbot	Bridgend	CF33	51	3	3.6	2.9	5.1	Source
LewistownPencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
LlangeinorPencoed / Bridgend Valleys	Bridgend	CF32, CF35	48	2.8	3.4	2.7	4.8	Source
LlangynwydPencoed / Bridgend Valleys	Bridgend	CF34 9 Shared postcode	48	2.8	3.4	2.7	4.8	Source
LlangynwydPort Talbot	Bridgend	CF34 9 Shared postcode	51	3	3.6	2.9	5.1	Source
Lletty BronguPencoed / Bridgend Valleys	Bridgend	CF32, CF34	48	2.8	3.4	2.7	4.8	Source
MaestegCaerau / Ystradfellte	Bridgend	CF34 0 Shared postcode	37	2.1	2.6	2.1	3.7	Source
MaestegPencoed / Bridgend Valleys	Bridgend	CF34 0, CF34 4, CF34 9 Shared postcode	48	2.8	3.4	2.7	4.8	Source
MawdlamPort Talbot	Bridgend	CF33, SA13	51	3	3.6	2.9	5.1	Source
Merthyr MawrBridgend / Porthcawl	Bridgend	CF32	48	2.8	3.3	2.7	4.8	Source
Nant-y-moelPencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
North CornellyPort Talbot	Bridgend	CF33	51	3	3.6	2.9	5.1	Source
Ogmore ValePencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
Pant-yr-AwelPencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
Pen-y-caeBridgend / Porthcawl, Pencoed / Bridgend Valleys	Bridgend	CF31, CF32	48	2.8	3.4	2.7	4.8	Source 1 Source 2
Pen-y-faiBridgend / Porthcawl	Bridgend	CF31	48	2.8	3.3	2.7	4.8	Source
Pen-yr-heolPencoed / Bridgend Valleys	Bridgend	CF35	48	2.8	3.4	2.7	4.8	Source
PencoedPencoed / Bridgend Valleys	Bridgend	CF35	48	2.8	3.4	2.7	4.8	Source
Pont Rhyd-y-cyffPencoed / Bridgend Valleys	Bridgend	CF34	48	2.8	3.4	2.7	4.8	Source
Pont-y-rhylPencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
PontycymerPencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
PorthcawlBridgend / Porthcawl	Bridgend	CF32, CF36	48	2.8	3.3	2.7	4.8	Source
Price TownPencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
PylePort Talbot	Bridgend	CF33	51	3	3.6	2.9	5.1	Source
SarnPencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
ShelfBridgend / Porthcawl, Pencoed / Bridgend Valleys	Bridgend	CF35	48	2.8	3.4	2.7	4.8	Source 1 Source 2
ShwtPencoed / Bridgend Valleys	Bridgend	CF32, CF34	48	2.8	3.4	2.7	4.8	Source
South CornellyBridgend / Porthcawl	Bridgend	CF32, CF33 4, CF36 Shared postcode	48	2.8	3.3	2.7	4.8	Source
South CornellyPort Talbot	Bridgend	CF33 4 Shared postcode	51	3	3.6	2.9	5.1	Source
TonduPencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
TrelalesBridgend / Porthcawl	Bridgend	CF32	48	2.8	3.3	2.7	4.8	Source
TythegstonBridgend / Porthcawl	Bridgend	CF32, CF33, CF36	48	2.8	3.3	2.7	4.8	Source
WyndhamPencoed / Bridgend Valleys	Bridgend	CF32	48	2.8	3.4	2.7	4.8	Source
Council Area: Caerphilly
AbercarnNewport SW / Risca / Abercarn	Caerphilly	NP11, NP12	100	5.9	7	5.6	10	Source
AbertridwrPontypridd - Pontsticill High	Caerphilly	CF37 Shared postcode	53	3.1	3.7	3	5.3	Source
AbertysswgRassau / Sirhowy Valley	Caerphilly	NP22 5 Shared postcode	55	3.2	3.9	3.1	5.5	Source
ArgoedRassau / Sirhowy Valley	Caerphilly	NP12 0 Shared postcode	55	3.2	3.9	3.1	5.5	Source
BedwasCaerphilly	Caerphilly	CF83	46	2.7	3.2	2.6	4.6	Source
BedwelltyRassau / Sirhowy Valley	Caerphilly	NP12 0 Shared postcode	55	3.2	3.9	3.1	5.5	Source
BeganCardiff East	Caerphilly	CF3, CF14	101	5.9	7.1	5.7	10.1	Source
Berllan-gollenCaerphilly	Caerphilly	CF83	46	2.7	3.2	2.6	4.6	Source
Berllan-gollenCardiff - Heath & Llanishen	Caerphilly	CF14	106	6.2	7.4	5.9	10.6	Source
BlackwoodRassau / Sirhowy Valley	Caerphilly	NP12 0, NP12 1, NP12 3 Shared postcode	55	3.2	3.9	3.1	5.5	Source
BrynawelNewport SW / Risca / Abercarn	Caerphilly	NP11	100	5.9	7	5.6	10	Source
Bute TownMerthyr / Abercynon	Caerphilly	CF48 4 Shared postcode	41	2.4	2.9	2.3	4.1	Source
CaerphillyCaerphilly	Caerphilly	CF83 1, CF83 2, CF83 3, CF83 8, CF83 9 Shared postcode	46	2.7	3.2	2.6	4.6	Source
Cwm-corrwgRassau / Sirhowy Valley	Caerphilly	NP12 0 Shared postcode	55	3.2	3.9	3.1	5.5	Source
CwmfelinfachNewport SW / Risca / Abercarn	Caerphilly	NP11	100	5.9	7	5.6	10	Source
DanygraigNewport SW / Risca / Abercarn	Caerphilly	NP11	100	5.9	7	5.6	10	Source
DraethenCaerphilly	Caerphilly	NP10 8 Shared postcode	46	2.7	3.2	2.6	4.6	Source
DraethenNewport SW / Risca / Abercarn	Caerphilly	NP10 8 Shared postcode	100	5.9	7	5.6	10	Source
GlensideNewport SW / Risca / Abercarn	Caerphilly	NP11	100	5.9	7	5.6	10	Source
Groes-wenCaerphilly	Caerphilly	CF15 7, CF37 5, CF83 1 Shared postcode	46	2.7	3.2	2.6	4.6	Source
Groes-wenPontypridd - Pontsticill High	Caerphilly	CF37 5 Shared postcode	53	3.1	3.7	3	5.3	Source
HafodyrynysAbergavenny / Cwmtillery	Caerphilly	NP4, NP11 5 Shared postcode	46	2.7	3.2	2.6	4.6	Source
HafodyrynysMalpas / Caerleon / Cwmbran	Caerphilly	NP11 5 Shared postcode	113	6.6	7.9	6.3	11.3	Source
HollybushRassau / Sirhowy Valley	Caerphilly	NP12 0, NP22 Shared postcode	55	3.2	3.9	3.1	5.5	Source
LlanbradachCaerphilly	Caerphilly	CF82, CF83 3, CF83 8 Shared postcode	46	2.7	3.2	2.6	4.6	Source
LlanfabonPontypridd - Pontsticill High	Caerphilly	CF37 4 Shared postcode	53	3.1	3.7	3	5.3	Source
LlechrydMerthyr / Abercynon	Caerphilly	NP22 5 Shared postcode	41	2.4	2.9	2.3	4.1	Source
LlechrydRassau / Sirhowy Valley	Caerphilly	NP22 3, NP22 5 Shared postcode	55	3.2	3.9	3.1	5.5	Source
MachenCaerphilly	Caerphilly	CF83 8, NP10 Shared postcode	46	2.7	3.2	2.6	4.6	Source
MachenNewport SW / Risca / Abercarn	Caerphilly	CF83 8 Shared postcode	100	5.9	7	5.6	10	Source
MaesycwmmerCaerphilly	Caerphilly	CF82 7, CF82 8 Shared postcode	46	2.7	3.2	2.6	4.6	Source
ManmoelEbbw Vale / Brynmawr	Caerphilly	NP23 Shared postcode	60	3.5	4.2	3.4	6	Source
MarkhamRassau / Sirhowy Valley	Caerphilly	NP12 0 Shared postcode	55	3.2	3.9	3.1	5.5	Source
NewbridgeNewport SW / Risca / Abercarn	Caerphilly	NP11 3, NP11 4, NP11 5 Shared postcode	100	5.9	7	5.6	10	Source
OakdaleNewport SW / Risca / Abercarn	Caerphilly	NP11 3, NP12 0 Shared postcode	100	5.9	7	5.6	10	Source
PontllanfraithNewport SW / Risca / Abercarn	Caerphilly	NP11, NP12 2 Shared postcode	100	5.9	7	5.6	10	Source
RiscaNewport SW / Risca / Abercarn	Caerphilly	NP10, NP11 6, NP11 7 Shared postcode	100	5.9	7	5.6	10	Source
RiscaMalpas / Caerleon / Cwmbran	Caerphilly	NP11 6 Shared postcode	113	6.6	7.9	6.3	11.3	Source
RiscaNewport West	Caerphilly	NP11 6 Shared postcode	114	6.7	8	6.4	11.4	Source
RockRassau / Sirhowy Valley	Caerphilly	NP12 0, NP12 1 Shared postcode	55	3.2	3.9	3.1	5.5	Source
RudryCaerphilly	Caerphilly	CF83	46	2.7	3.2	2.6	4.6	Source
RudryCardiff - Heath & Llanishen	Caerphilly	CF14	106	6.2	7.4	5.9	10.6	Source
Tai'r-heolMerthyr / Abercynon	Caerphilly	CF46 5, CF46 6 Shared postcode	41	2.4	2.9	2.3	4.1	Source
ThornhillCaerphilly	Caerphilly	CF83 1 Shared postcode	46	2.7	3.2	2.6	4.6	Source
ThornhillCardiff - Heath & Llanishen	Caerphilly	CF14, CF83 1 Shared postcode	106	6.2	7.4	5.9	10.6	Source
TrethomasCaerphilly	Caerphilly	CF83	46	2.7	3.2	2.6	4.6	Source
Upper OchrwythNewport SW / Risca / Abercarn	Caerphilly	NP10, NP11	100	5.9	7	5.6	10	Source
WaterlooCaerphilly	Caerphilly	CF83	46	2.7	3.2	2.6	4.6	Source
Council Area: Cardiff
Council Area: Carmarthenshire
Council Area: Ceredigion
Council Area: Conwy
Council Area: Denbighshire
Council Area: Flintshire
Council Area: Gwynedd
Council Area: Isle of Anglesey
Council Area: Merthyr Tydfil
Council Area: Monmouthshire
Council Area: Neath Port Talbot
Council Area: Newport
Council Area: Pembrokeshire
Council Area: Powys
Council Area: Rhondda Cynon Taf
Council Area: Swansea
Council Area: Torfaen
Council Area: Vale of Glamorgan
Council Area: Wrexham

Showing all 3,268 places in Wales, grouped by council area. Scroll the chart or search to find yours.