WaterWater Hardness in North East
122 postcode districts • 3 counties
Slightly Hard
101
Average ppm
50
Minimum ppm
150
Maximum ppm
122
Postcodes
Water Hardness Across North East
The average water hardness in the North East region is 101 ppm, classified as slightly hard. Across 122 postcode districts, hardness ranges from 50 ppm to 150 ppm.
The region is served by Northumbrian Water. Water hardness varies by county — see the breakdown below or check your specific postcode.
Counties in North East
| County | Avg Hardness | PPM | Level | Postcodes |
|---|---|---|---|---|
| Tyne And Wear | 110 ppm | Slightly Hard | 67 | |
| County Durham | 107 ppm | Slightly Hard | 26 | |
| Teesside | 75 ppm | Slightly Hard | 29 |
Water Companies in North East
Hard Water Guides
Learn more about water hardness and how to manage it.
Get Water Hardness Updates
Be notified when your water company reports changes to hardness levels.