Northumbrian Water supplies Newcastle from Kielder Water, Europe's largest man-made lake.
According to TapWater.uk's analysis, Newcastle scores 9.4/10 for drinking water quality in 2026. Water is supplied by Northumbrian Water and has been tested for 20 contaminants across 9 postcode districts.
Average score
9.4/10
UK avg: 9.0/10
Areas tested
9
Issues flagged
0
PFAS detected
None
Yes, Newcastle tap water is safe to drink. Based on 9 areas tested, Newcastle has an average water quality score of 9.4/10 (above the UK average of 9.0/10). No contaminants were found above recommended levels. Water is supplied by Northumbrian Water. Northumbrian Water supplies Newcastle from Kielder Water, Europe's largest man-made lake.
All postcode districts in Newcastle, ranked by water quality score.
Learn more about the water quality issues relevant to this area.
Best Water Softener UK
The proven fix for limescale: softeners compared with real costs
UK Water Hardness Map
Is your water hard or soft, and does it matter?
Is UK Tap Water Safe?
Everything you need to know about tap water safety in the UK
Best Water Filters UK
Every filter type compared on what it actually removes
Yes, Newcastle tap water is generally safe to drink. Across 9 areas tested, the average water quality score is 9.4/10. Northumbrian Water supplies Newcastle from Kielder Water, Europe's largest man-made lake.
Yes, you can drink tap water in Newcastle. It is regulated to UK drinking water standards, and across 9 tested areas the average water quality score is 9.4/10. Enter your postcode for the readings in your exact area.
No contaminants were flagged above recommended levels across Newcastle. All tested areas passed on the parameters measured.
Water in Newcastle has an average hardness of 270 mg/L CaCO₃, which is classified as very 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 Newcastle are NE7 (9.6/10), NE5 (9.5/10), NE1 (9.4/10).
Water in Newcastle is supplied by Northumbrian Water. Northumbrian Water supplies Newcastle from Kielder Water, Europe's largest man-made lake.
No PFAS (forever chemicals) have been detected in any of the 9 areas tested in Newcastle.
Free live water quality widget for NE7: paste these two lines anywhere on your page. It stays up to date by itself and credits TapWater.uk automatically.
<div data-tapwater-postcode="NE7"></div>
<script src="https://www.tapwater.uk/widget.js" async></script>Get a detailed water quality report for your exact area in Newcastle.