Yorkshire Water supplies York from the River Derwent and River Ouse, with treatment at Elvington.
According to TapWater.uk's analysis, York scores 9.3/10 for drinking water quality in 2026. Water is supplied by Yorkshire Water and has been tested for 25 contaminants across 9 postcode districts.
Average score
9.3/10
UK avg: 9.0/10
Areas tested
9
Issues flagged
0
PFAS detected
None
Yes, York tap water is safe to drink. Based on 9 areas tested, York has an average water quality score of 9.3/10 (above the UK average of 9.0/10). No contaminants were found above recommended levels. Water is supplied by Yorkshire Water. Yorkshire Water supplies York from the River Derwent and River Ouse, with treatment at Elvington.
All postcode districts in York, ranked by water quality score.
Areas to watch
Learn more about the water quality issues relevant to this area.
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Yes, York tap water is generally safe to drink. Across 9 areas tested, the average water quality score is 9.3/10. Yorkshire Water supplies York from the River Derwent and River Ouse, with treatment at Elvington.
Yes, you can drink tap water in York. It is regulated to UK drinking water standards, and across 9 tested areas the average water quality score is 9.3/10. Enter your postcode for the readings in your exact area.
No contaminants were flagged above recommended levels across York. All tested areas passed on the parameters measured.
Water in York has an average hardness of 217 mg/L CaCO₃, which is classified as hard. Hard water causes limescale buildup in kettles and appliances. A water softener or filter may help.
The areas with the best water quality in York are YO30 (9.6/10), YO1 (9.4/10), YO19 (9.4/10).
Water in York is supplied by Yorkshire Water. Yorkshire Water supplies York from the River Derwent and River Ouse, with treatment at Elvington.
No PFAS (forever chemicals) have been detected in any of the 9 areas tested in York.
Free live water quality widget for YO30: paste these two lines anywhere on your page. It stays up to date by itself and credits TapWater.uk automatically.
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<script src="https://www.tapwater.uk/widget.js" async></script>Get a detailed water quality report for your exact area in York.