Greater Manchester · North West

Is Oldham water hard or soft?

Soft at 57 ppm · 16 postcode districts

  • Supplier United Utilities
  • County Greater Manchester
  • Postcodes 16
Area average
57
ppm CaCO₃
Soft
Soft
Moderate
Hard
Very hard
0100200300400+

The average water hardness in Oldham is 57 ppm, classified as soft. Oldham is served by United Utilities, covering 16 postcode districts across Greater Manchester in the North West region.

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

By postcode

Water Hardness by Postcode in Oldham

Sorted by hardness — tap a postcode for full details.

Postcode Water Company Hardness PPM Level
OL16 United Utilities
69
69 ppm Slightly Hard
OL15 United Utilities
68
68 ppm Slightly Hard
OL14 United Utilities
67
67 ppm Slightly Hard
OL13 United Utilities
66
66 ppm Slightly Hard
OL12 United Utilities
65
65 ppm Slightly Hard
OL11 United Utilities
64
64 ppm Slightly Hard
OL10 United Utilities
63
63 ppm Slightly Hard
OL9 United Utilities
54
54 ppm Soft
OL8 United Utilities
53
53 ppm Soft
OL7 United Utilities
52
52 ppm Soft
OL6 United Utilities
51
51 ppm Soft
OL5 United Utilities
50
50 ppm Soft
OL4 United Utilities
49
49 ppm Soft
OL3 United Utilities
48
48 ppm Soft
OL2 United Utilities
47
47 ppm Soft
OL1 United Utilities
46
46 ppm Soft
Suppliers

Water Companies Serving Oldham

Tap for full coverage area and hardness data.

United Utilities

77 ppm Slightly Hard

Water Hardness Guides

Learn more about water hardness and how to manage it.

What Is Water Hardness? Effects Solutions Water Softeners Limescale Removal

Test Your Water in Oldham

At 57 ppm, your water is soft. A home testing kit lets you verify the exact hardness and check for other contaminants.

SJ WAVE 16-in-1 Water Testing Kit

From ~£10

Quick home water test strips — checks hardness, pH, chlorine, lead, and 12 other parameters. Results in 60 seconds. 100 strips per pack.

View on Amazon

Get Oldham Water Updates

Be notified when water companies in Oldham report changes to hardness levels.