WaterWater Hardness in Blackburn
Lancashire, North West • 13 postcode districts
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 | Slightly Hard | |
| BB8 | United Utilities | 86 ppm | Slightly Hard | |
| BB7 | United Utilities | 85 ppm | Slightly Hard | |
| BB6 | United Utilities | 84 ppm | Slightly Hard | |
| BB5 | United Utilities | 83 ppm | Slightly Hard | |
| BB4 | United Utilities | 82 ppm | Slightly Hard | |
| BB3 | United Utilities | 81 ppm | Slightly Hard | |
| BB2 | United Utilities | 80 ppm | Slightly Hard | |
| BB1 | United Utilities | 79 ppm | Slightly Hard | |
| BB18 | United Utilities | 71 ppm | Slightly Hard | |
| BB12 | United Utilities | 65 ppm | Slightly Hard | |
| BB11 | United Utilities | 64 ppm | Slightly Hard | |
| BB10 | United Utilities | 63 ppm | Slightly Hard |
Water Companies Serving Blackburn
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