According to TapWater.uk's analysis, Leeds scores 9.5/10 for drinking water quality in 2026. Water is supplied by Yorkshire Water and has been tested for 25 contaminants across 28 postcode districts.
9.5 / 10
28 areas tested · 0 flagged · UK average 9.0
Yes, Leeds tap water is safe to drink. Based on 28 areas tested, Leeds has an average water quality score of 9.5/10 (above the UK average of 9.0/10). No contaminants were found above recommended levels. Water is supplied by Yorkshire Water. Yorkshire Water supplies Leeds from reservoirs across the Pennines and Yorkshire Dales.
All postcode districts in Leeds, ranked by water quality score.
| Postcode | Area | Score | Flagged | Supplier |
|---|---|---|---|---|
| LS25 | Leeds | 9.1 | 0 | Yorkshire Water |
| LS18 | Leeds | 9.3 | 0 | Yorkshire Water |
| LS22 | Leeds | 9.3 | 0 | Yorkshire Water |
| LS10 | Leeds | 9.4 | 0 | Yorkshire Water |
| LS14 | Leeds | 9.4 | 0 | Yorkshire Water |
| LS17 | Leeds | 9.4 | 0 | Yorkshire Water |
| LS20 | Leeds | 9.4 | 0 | Yorkshire Water |
| LS23 | Leeds | 9.4 | 0 | Yorkshire Water |
| LS7 | Leeds | 9.4 | 0 | Yorkshire Water |
| LS1 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS11 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS12 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS13 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS15 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS19 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS2 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS27 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS28 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS4 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS5 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS6 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS8 | Leeds | 9.5 | 0 | Yorkshire Water |
| LS9 | Leeds | 9.5 | 0 | Yorkshire Water |
| BD11 | Leeds | 9.6 | 0 | Yorkshire Water |
| LS16 | Leeds | 9.6 | 0 | Yorkshire Water |
| LS26 | Leeds | 9.6 | 0 | Yorkshire Water |
| LS3 | Leeds | 9.6 | 0 | Yorkshire Water |
| LS21 | Leeds | 9.7 | 0 | Yorkshire Water |
131mg of limescale minerals in every litre, on average across Leeds
From 60 mg/L in LS20 to 252 mg/L in LS25. Hard starts at 180, very hard at 250. Districts marked with an asterisk take their postcode area's median rather than a reading of their own.
| District | Area | mg/L | Hardness |
|---|---|---|---|
| LS25 | Leeds | 252 | very hard |
| LS15 | Leeds | 179 | moderately hard |
| LS8 | Leeds | 157 | moderately hard |
| LS26 | Leeds | 154 | moderately hard |
| LS12 | Leeds | 146 | moderately hard |
| LS14 | Leeds | 146 | moderately hard |
| LS18 | Leeds | 143 | moderately hard |
| LS7 | Leeds | 141 | moderately hard |
| LS9 | Leeds | 141 | moderately hard |
| LS16 | Leeds | 140 | moderately hard |
| LS11 | Leeds | 137 | moderately hard |
| LS17 | Leeds | 137 | moderately hard |
| LS19* | Leeds | 137 | moderately hard |
| LS23* | Leeds | 137 | moderately hard |
| LS5* | Leeds | 137 | moderately hard |
| LS22 | Leeds | 136 | moderately hard |
| LS6 | Leeds | 135 | moderately hard |
| LS10 | Leeds | 133 | moderately hard |
| LS4 | Leeds | 129 | moderately hard |
| LS13 | Leeds | 123 | moderately hard |
| LS2 | Leeds | 116 | moderately soft |
| LS3 | Leeds | 115 | moderately soft |
| LS1 | Leeds | 104 | moderately soft |
| LS28 | Leeds | 97 | moderately soft |
| BD11 | Leeds | 93 | moderately soft |
| LS27 | Leeds | 81 | moderately soft |
| LS21 | Leeds | 80 | moderately soft |
| LS20 | Leeds | 60 | moderately soft |
Main water supplier: Yorkshire Water (28 postcodes)
1 of the 12 rivers and waters that Leeds drains into is rated good or high by the Environment Agency. All of them fail the chemical test, as every river in England does, because of long-lasting pollutants such as mercury and PFOS. This describes the rivers, not your tap water.
| River or water | Ecological health | Postcode districts |
|---|---|---|
| Cock Beck Catchment (trib of Wharfe) | Bad | LS14 |
| Mill Dike from Source to Bishop Dike | Poor | LS25 |
| Aire from Gill Beck (Baildon) to Wyke Beck | Moderate | LS1, LS2, LS3, LS4, LS5, LS6, LS10, LS11 and 4 more |
| Meanwood Beck from Source to River Aire | Moderate | LS7, LS8, LS9, LS16 |
| Gill Beck Guisley from Source to River Aire | Moderate | LS19, LS20 |
| Wharfe from Collingham Beck to Tadcaster Weir | Moderate | LS22, LS23 |
| Batley Beck from Source to River Calder | Moderate | BD11 |
| Milshaw Beck from Source to Low/Wortley/Pudsey Bks | Moderate | LS27 |
| Oulton Beck from Source to River Aire | Moderate | LS26 |
| Wharfe from Hundwith Beck to River Washburn | Moderate | LS21 |
| Wyke Beck from Source to River Aire | Moderate | LS15 |
| Stank Beck catchment (trib of Wharfe) | Good | LS17 |
Environment Agency classification, 2025. River health across England
Taste, chlorine and hardness bother people even where the water passes its tests. These are the three fixes our readers pick most: a jug for drinking water, a shower filter, and a reverse osmosis unit that needs no plumbing. Check your own postcode above to see which one your water needs.
The jug for cleaner drinking water
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Reverse osmosis without a plumber
Osmio Zero 2.0 Countertop RO
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Affiliate link: we may earn a commission at no extra cost to you. How recommendations are funded
Yes, Leeds tap water is generally safe to drink. Across 28 areas tested, the average water quality score is 9.5/10. Yorkshire Water supplies Leeds from reservoirs across the Pennines and Yorkshire Dales.
Yes, you can drink tap water in Leeds. It is regulated to UK drinking water standards, and across 28 tested areas the average water quality score is 9.5/10. Enter your postcode for the readings in your exact area.
No contaminants were flagged above recommended levels across Leeds. All tested areas passed on the parameters measured.
Water in Leeds has an average hardness of 131 mg/L CaCO₃, which is classified as moderately hard. It ranges from 60 mg/L in LS20 to 252 mg/L in LS25. This is a moderate hardness level.
The areas with the best water quality in Leeds are LS21 (9.7/10), BD11 (9.6/10), LS16 (9.6/10).
Water in Leeds is supplied by Yorkshire Water. Yorkshire Water supplies Leeds from reservoirs across the Pennines and Yorkshire Dales.
No PFAS (forever chemicals) have been detected in any of the 28 areas tested in Leeds.
Free live water quality widget for LS21: paste these two lines anywhere on your page. It stays up to date by itself and credits TapWater.uk automatically.
<div data-tapwater-postcode="LS21"></div>
<script src="https://www.tapwater.uk/widget.js" async></script>Get a detailed water quality report for your exact area in Leeds.
Based on water quality data from 28 postcode districts in Leeds. Data from your water company via the Stream Water Data Portal and the Environment Agency. See our methodology for how scores are calculated.