Water Hardness in Cheshire

Water Hardness Across Cheshire

The average water hardness in Cheshire is 71 ppm, classified as slightly hard. Across 71 postcode districts in the North West region, hardness ranges from 35 ppm to 142 ppm.

Cheshire is served by United Utilities. With slightly hard water, limescale is unlikely to be a major concern in most homes.

Hardness varies across Cheshire: Stockport has the hardest water at 104 ppm, while Crewe is the softest at 54 ppm. The county spans 4 towns and 71 postcode districts in total.

At 71 ppm, Cheshire ranks as slightly hard water nationally. Compare it against the 50 softest water areas in the UK.

By town

Towns in Cheshire

Sorted by hardness — tap a town for full details.

Town	Hardness	PPM	Level
Stockport	104	104 ppm	Slightly Hard
Chester	62	62 ppm	Slightly Hard
Warrington	57	57 ppm	Soft
Crewe	54	54 ppm	Soft

Suppliers

Water Companies in Cheshire

Companies supplying water to this county.

United Utilities

77 ppm Slightly Hard

All postcodes

Postcodes in Cheshire

Every postcode district in the county, sorted by hardness.

Postcode	Town	Hardness	PPM	Level
SK9	Wilmslow	142	142 ppm	Moderately Hard
SK8	Cheadle	141	141 ppm	Moderately Hard
SK7	Stockport	140	140 ppm	Moderately Hard
SK6	Stockport	139	139 ppm	Moderately Hard
SK5	Stockport	138	138 ppm	Moderately Hard
SK4	Stockport	137	137 ppm	Moderately Hard
SK3	Stockport	136	136 ppm	Moderately Hard
SK2	Stockport	135	135 ppm	Moderately Hard
SK1	Stockport	134	134 ppm	Moderately Hard
CH66	Ellesmere Port	113	113 ppm	Slightly Hard
CH65	Ellesmere Port	112	112 ppm	Slightly Hard
CH64	Neston	111	111 ppm	Slightly Hard
CH63	Wirral	110	110 ppm	Slightly Hard
CH62	Wirral	109	109 ppm	Slightly Hard
CH61	Wirral	108	108 ppm	Slightly Hard
CH60	Wirral	107	107 ppm	Slightly Hard
SK23	High Peak	99	99 ppm	Slightly Hard
SK22	High Peak	98	98 ppm	Slightly Hard
SK17	Buxton	70	70 ppm	Slightly Hard
SK16	Dukinfield	69	69 ppm	Slightly Hard
WA16	Knutsford	69	69 ppm	Slightly Hard
SK15	Stalybridge	68	68 ppm	Slightly Hard
WA15	Altrincham	68	68 ppm	Slightly Hard
SK14	Hyde	67	67 ppm	Slightly Hard
WA14	Altrincham	67	67 ppm	Slightly Hard
SK13	Glossop	66	66 ppm	Slightly Hard
WA13	Lymm	66	66 ppm	Slightly Hard
CW12	Congleton	65	65 ppm	Slightly Hard
SK12	Stockport	65	65 ppm	Slightly Hard
WA12	Newton Le Willows	65	65 ppm	Slightly Hard
CW11	Sandbach	64	64 ppm	Slightly Hard
SK11	Macclesfield	64	64 ppm	Slightly Hard
WA11	St Helens	64	64 ppm	Slightly Hard
CW10	Middlewich	63	63 ppm	Slightly Hard
SK10	Macclesfield	63	63 ppm	Slightly Hard
WA10	St Helens	63	63 ppm	Slightly Hard
CW9	Northwich	54	54 ppm	Soft
WA9	St Helens	54	54 ppm	Soft
CW8	Northwich	53	53 ppm	Soft
WA8	Widnes	53	53 ppm	Soft
CW7	Winsford	52	52 ppm	Soft
WA7	Runcorn	52	52 ppm	Soft
CW6	Tarporley	51	51 ppm	Soft
WA6	Frodsham	51	51 ppm	Soft
CH49	Wirral	50	50 ppm	Soft
CW5	Nantwich	50	50 ppm	Soft
WA5	Warrington	50	50 ppm	Soft
CH48	Wirral	49	49 ppm	Soft
CW4	Crewe	49	49 ppm	Soft
WA4	Warrington	49	49 ppm	Soft
CH47	Wirral	48	48 ppm	Soft
CW3	Crewe	48	48 ppm	Soft
WA3	Warrington	48	48 ppm	Soft
CH46	Wirral	47	47 ppm	Soft
CW2	Crewe	47	47 ppm	Soft
WA2	Warrington	47	47 ppm	Soft
CH45	Wallasey	46	46 ppm	Soft
CW1	Crewe	46	46 ppm	Soft
WA1	Warrington	46	46 ppm	Soft
CH44	Wallasey	45	45 ppm	Soft
CH43	Prenton	44	44 ppm	Soft
CH42	Birkenhead	43	43 ppm	Soft
CH41	Birkenhead	42	42 ppm	Soft
CH8	Holywell	42	42 ppm	Soft
CH7	Mold	41	41 ppm	Soft
CH6	Flint	40	40 ppm	Soft
CH5	Deeside	39	39 ppm	Soft
CH4	Chester	38	38 ppm	Soft
CH3	Chester	37	37 ppm	Soft
CH2	Chester	36	36 ppm	Soft
CH1	Chester	35	35 ppm	Soft

Test Your Water in Cheshire

At 71 ppm on average, your water is slightly hard. A home testing kit lets you verify the exact hardness for your postcode and check for other contaminants.

TESPERT 16-in-1 Water Testing Kit

From ~£10

Home water test strips that check hardness, pH, chlorine, lead, and 12 other parameters. Results in around 60 seconds. 125 strips per pack.

View on Amazon

FAQ

Water Hardness in Cheshire: Common Questions

Is the water in Cheshire hard or soft?

Cheshire has slightly hard water, averaging 71 ppm across 71 postcode districts. Limescale build-up is minimal at this level, though individual postcodes vary.

Where is the hardest water in Cheshire?

Stockport has the hardest water in Cheshire at 104 ppm, while Crewe is the softest at 54 ppm. Across the county, hardness ranges from 35 ppm to 142 ppm by postcode district.

Which water company supplies Cheshire?

Cheshire is supplied by United Utilities. You can check each supplier's reported hardness figures on their water company page.

Do I need a water softener in Cheshire?

At 71 ppm, Cheshire has soft water and a whole-house softener is not needed.

What is the average water hardness in Cheshire?

The average water hardness in Cheshire is 71 ppm (parts per million), classified as slightly hard. It ranges from 35 ppm to 142 ppm across 71 postcode districts in the North West region.

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