WaterHard.uk

Water Hardness in Swansea

West Wales, Wales • 51 postcode districts

0 200 400 72 ppm
Slightly Hard

The average water hardness in Swansea is 72 ppm, classified as slightly hard. Swansea is served by Welsh Water (Dwr Cymru), covering 51 postcode districts across West Wales in the Wales region.

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

Water Hardness by Postcode in Swansea

Postcode Water Company Hardness PPM Level
SA39 Welsh Water (Dwr Cymru)
117 ppm
117 ppm Slightly Hard
SA38 Welsh Water (Dwr Cymru)
116 ppm
116 ppm Slightly Hard
SA37 Welsh Water (Dwr Cymru)
115 ppm
115 ppm Slightly Hard
SA69 Welsh Water (Dwr Cymru)
115 ppm
115 ppm Slightly Hard
SA36 Welsh Water (Dwr Cymru)
114 ppm
114 ppm Slightly Hard
SA68 Welsh Water (Dwr Cymru)
114 ppm
114 ppm Slightly Hard
SA35 Welsh Water (Dwr Cymru)
113 ppm
113 ppm Slightly Hard
SA67 Welsh Water (Dwr Cymru)
113 ppm
113 ppm Slightly Hard
SA34 Welsh Water (Dwr Cymru)
112 ppm
112 ppm Slightly Hard
SA66 Welsh Water (Dwr Cymru)
112 ppm
112 ppm Slightly Hard
SA33 Welsh Water (Dwr Cymru)
111 ppm
111 ppm Slightly Hard
SA65 Welsh Water (Dwr Cymru)
111 ppm
111 ppm Slightly Hard
SA32 Welsh Water (Dwr Cymru)
110 ppm
110 ppm Slightly Hard
SA64 Welsh Water (Dwr Cymru)
110 ppm
110 ppm Slightly Hard
SA31 Welsh Water (Dwr Cymru)
109 ppm
109 ppm Slightly Hard
SA63 Welsh Water (Dwr Cymru)
109 ppm
109 ppm Slightly Hard
SA62 Welsh Water (Dwr Cymru)
108 ppm
108 ppm Slightly Hard
SA61 Welsh Water (Dwr Cymru)
107 ppm
107 ppm Slightly Hard
SA20 Welsh Water (Dwr Cymru)
75 ppm
75 ppm Slightly Hard
SA9 Welsh Water (Dwr Cymru)
66 ppm
66 ppm Slightly Hard
SA8 Welsh Water (Dwr Cymru)
65 ppm
65 ppm Slightly Hard
SA7 Welsh Water (Dwr Cymru)
64 ppm
64 ppm Slightly Hard
SA6 Welsh Water (Dwr Cymru)
63 ppm
63 ppm Slightly Hard
SA5 Welsh Water (Dwr Cymru)
62 ppm
62 ppm Slightly Hard
SA4 Welsh Water (Dwr Cymru)
61 ppm
61 ppm Slightly Hard
SA3 Welsh Water (Dwr Cymru)
60 ppm
60 ppm Soft
SA2 Welsh Water (Dwr Cymru)
59 ppm
59 ppm Soft
SA1 Welsh Water (Dwr Cymru)
58 ppm
58 ppm Soft
SA19 Welsh Water (Dwr Cymru)
51 ppm
51 ppm Soft
SA18 Welsh Water (Dwr Cymru)
50 ppm
50 ppm Soft
SA17 Welsh Water (Dwr Cymru)
49 ppm
49 ppm Soft
SA16 Welsh Water (Dwr Cymru)
48 ppm
48 ppm Soft
SA48 Welsh Water (Dwr Cymru)
48 ppm
48 ppm Soft
SA15 Welsh Water (Dwr Cymru)
47 ppm
47 ppm Soft
SA47 Welsh Water (Dwr Cymru)
47 ppm
47 ppm Soft
SA14 Welsh Water (Dwr Cymru)
46 ppm
46 ppm Soft
SA46 Welsh Water (Dwr Cymru)
46 ppm
46 ppm Soft
SA13 Welsh Water (Dwr Cymru)
45 ppm
45 ppm Soft
SA45 Welsh Water (Dwr Cymru)
45 ppm
45 ppm Soft
SA12 Welsh Water (Dwr Cymru)
44 ppm
44 ppm Soft
SA44 Welsh Water (Dwr Cymru)
44 ppm
44 ppm Soft
SA11 Welsh Water (Dwr Cymru)
43 ppm
43 ppm Soft
SA43 Welsh Water (Dwr Cymru)
43 ppm
43 ppm Soft
SA10 Welsh Water (Dwr Cymru)
42 ppm
42 ppm Soft
SA42 Welsh Water (Dwr Cymru)
42 ppm
42 ppm Soft
SA41 Welsh Water (Dwr Cymru)
41 ppm
41 ppm Soft
SA73 Welsh Water (Dwr Cymru)
41 ppm
41 ppm Soft
SA40 Welsh Water (Dwr Cymru)
40 ppm
40 ppm Soft
SA72 Welsh Water (Dwr Cymru)
40 ppm
40 ppm Soft
SA71 Welsh Water (Dwr Cymru)
39 ppm
39 ppm Soft
SA70 Welsh Water (Dwr Cymru)
38 ppm
38 ppm Soft

Water Companies Serving Swansea

Welsh Water (Dwr Cymru)

Average hardness: 68 ppm (Slightly Hard) • 214 postcodes served

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