Lancashire · North West

Is Blackburn water hard or soft?

Slightly Hard at 78 ppm · 13 postcode districts

  • Supplier United Utilities
  • County Lancashire
  • Postcodes 13
Area average
78
ppm CaCO₃
Slightly Hard
Soft
Moderate
Hard
Very hard
0100200300400+

The average water hardness in Blackburn is 78 ppm, classified as slightly hard. Blackburn is served by United Utilities, covering 13 postcode districts across Lancashire 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 Blackburn

Sorted by hardness — tap a postcode for full details.

Postcode Water Company Hardness PPM Level
BB9 United Utilities
87
87 ppm Slightly Hard
BB8 United Utilities
86
86 ppm Slightly Hard
BB7 United Utilities
85
85 ppm Slightly Hard
BB6 United Utilities
84
84 ppm Slightly Hard
BB5 United Utilities
83
83 ppm Slightly Hard
BB4 United Utilities
82
82 ppm Slightly Hard
BB3 United Utilities
81
81 ppm Slightly Hard
BB2 United Utilities
80
80 ppm Slightly Hard
BB1 United Utilities
79
79 ppm Slightly Hard
BB18 United Utilities
71
71 ppm Slightly Hard
BB12 United Utilities
65
65 ppm Slightly Hard
BB11 United Utilities
64
64 ppm Slightly Hard
BB10 United Utilities
63
63 ppm Slightly Hard
Suppliers

Water Companies Serving Blackburn

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 Blackburn

At 78 ppm, your water is slightly hard. 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 Blackburn Water Updates

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