Is Blackburn Water Hard or Soft?

Slightly Hard at 78 ppm • Lancashire, North West

Slightly Hard

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.

Water Hardness by Postcode in Blackburn

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

Water Companies Serving Blackburn

United Utilities

Average hardness: 77 ppm (Slightly Hard) • 242 postcodes served

Water Hardness Guides

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 Water Hardness Updates

Be notified when your water company reports changes to hardness levels.