United Utilities supplies Liverpool with water from Lake Vyrnwy in Wales and local reservoirs.
According to TapWater.uk's analysis, Liverpool scores 9.4/10 for drinking water quality in 2026. Water is supplied by United Utilities and has been tested for 15 contaminants across 21 postcode districts.
Average score
9.4/10
UK avg: 9.0/10
Areas tested
21
Issues flagged
0
PFAS detected
None
Yes, Liverpool tap water is safe to drink. Based on 21 areas tested, Liverpool 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 United Utilities. United Utilities supplies Liverpool with water from Lake Vyrnwy in Wales and local reservoirs.
All postcode districts in Liverpool, 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, Liverpool tap water is generally safe to drink. Across 21 areas tested, the average water quality score is 9.4/10. United Utilities supplies Liverpool with water from Lake Vyrnwy in Wales and local reservoirs.
Yes, you can drink tap water in Liverpool. It is regulated to UK drinking water standards, and across 21 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 Liverpool. All tested areas passed on the parameters measured.
Water in Liverpool has an average hardness of 290 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 Liverpool are L1 (9.6/10), L11 (9.6/10), L17 (9.6/10).
Water in Liverpool is supplied by United Utilities. United Utilities supplies Liverpool with water from Lake Vyrnwy in Wales and local reservoirs.
No PFAS (forever chemicals) have been detected in any of the 21 areas tested in Liverpool.
Free live water quality widget for L1: paste these two lines anywhere on your page. It stays up to date by itself and credits TapWater.uk automatically.
<div data-tapwater-postcode="L1"></div>
<script src="https://www.tapwater.uk/widget.js" async></script>Get a detailed water quality report for your exact area in Liverpool.