Compare tap water hardness in 9 cities in Yorkshire and the Humber, England. Average: 5.15°fH (Excellent quality).
In Yorkshire and the Humber, tap water hardness averages 5.15°fH, corresponding to moderately soft water. The softest water is found in Bradford (3.02°fH, score 10/10) and the hardest in Hull (14.84°fH, score 8/10). The England average in our dataset is 18.1°fH. All 9 cities have water compliant with DWI regulations (Water Supply (Water Quality) Regulations 2018).
The average tap water hardness in Yorkshire and the Humber is 5.15°fH, corresponding to moderately soft water. Among the 9 cities covered, the softest water is found in Bradford (3.02°fH) and the hardest in Hull (14.84°fH). The England average in our dataset is 18.1°fH.
Yes. Tap water in Yorkshire and the Humber is regulated by the Drinking Water Inspectorate (DWI) under the Water Supply (Water Quality) Regulations 2018. Water hardness of 5.15°fH does not affect safety; it only influences appliance maintenance and taste. All 9 cities in our database have compliant water.
At 5.15°fH average, a water softener is optional in Yorkshire and the Humber. Basic anti-scale measures (pitcher filter, regular descaling) are sufficient in most cities.
Water in Yorkshire and the Humber is supplied by Yorkshire Water. Data in our database comes from official zone-level analyses published by these utilities (2025).
All 9 cities in Yorkshire and the Humber with their hardness values are listed on this page. Click on any city name to get full details: quality index, DWI compliance, impact on appliances and personalised recommendations.
Data: Yorkshire Water official zone-level hardness reports (2025). Readings verified via DWI drinking water quality database.