Average 77 ppm across 76 postcodes and 4 towns.
Be notified when water companies in Greater Manchester report changes to hardness levels.
The average water hardness in Greater Manchester is 77 ppm, classified as slightly hard. Across 76 postcode districts in the North West region, hardness ranges from 34 ppm to 133 ppm.
Greater Manchester is served by United Utilities. With slightly hard water, limescale is unlikely to be a major concern in most homes.
Hardness varies across Greater Manchester: Wigan has the hardest water at 116 ppm, while Bury is the softest at 50 ppm. The county spans 4 towns and 76 postcode districts in total.
At 77 ppm, Greater Manchester ranks as slightly hard water nationally. Compare it against the 50 softest water areas in the UK.
Sorted by hardness — tap a town for full details.
Companies supplying water to this county.
Every postcode district in the county, sorted by hardness.
At 77 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.
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 AmazonLearn more about water hardness and how to manage it.