According to TapWater.uk's analysis, Coventry scores 8.6/10 for drinking water quality in 2026. Water is supplied by Severn Trent and has been tested for 20 contaminants across 7 postcode districts.
8.6 / 10
7 areas tested · 0 flagged · UK average 9.0
Yes, Coventry tap water is safe to drink. Based on 7 areas tested, Coventry has an average water quality score of 8.6/10 (below the UK average of 9.0/10). No contaminants were found above recommended levels. Water is supplied by Severn Trent. Severn Trent serves Coventry with water drawn from the River Severn and Derwent Valley reservoirs.
All postcode districts in Coventry, ranked by water quality score.
Main water supplier: Severn Trent (7 postcodes)
None of the 3 rivers and waters that Coventry drains into is rated good 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 |
|---|---|---|
| Sherbourne - source to conf R Sowe | Poor | CV1, CV3, CV5, CV7 |
| Sowe - conf Breach Bk to conf Withy Bk | Poor | CV2, CV6 |
| Canley Bk - source to conf with Finham Bk | Moderate | CV4 |
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
ZeroWater 12-Cup Ready-Pour
Jug Filter · NSF/ANSI 53, NSF/ANSI 401
Typical price
£40approx.
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For dry skin and hair after a shower
Jolie Filtered Showerhead
Shower Filter
Typical price
£85approx.
Affiliate link: we may earn a commission at no extra cost to you.
Reverse osmosis without a plumber
Osmio Zero 2.0 Countertop RO
Reverse Osmosis
Typical price
£495approx.
Affiliate link: we may earn a commission at no extra cost to you.
Affiliate link: we may earn a commission at no extra cost to you. How recommendations are funded
Yes, Coventry tap water is generally safe to drink. Across 7 areas tested, the average water quality score is 8.6/10. Severn Trent serves Coventry with water drawn from the River Severn and Derwent Valley reservoirs.
Yes, you can drink tap water in Coventry. It is regulated to UK drinking water standards, and across 7 tested areas the average water quality score is 8.6/10. Enter your postcode for the readings in your exact area.
No contaminants were flagged above recommended levels across Coventry. All tested areas passed on the parameters measured.
Hardness data is not yet available for Coventry. Enter your postcode for detailed water quality data.
The areas with the best water quality in Coventry are CV7 (9.3/10), CV4 (8.7/10), CV1 (8.5/10).
Water in Coventry is supplied by Severn Trent. Severn Trent serves Coventry with water drawn from the River Severn and Derwent Valley reservoirs.
No PFAS (forever chemicals) have been detected in any of the 7 areas tested in Coventry.
Free live water quality widget for CV7: paste these two lines anywhere on your page. It stays up to date by itself and credits TapWater.uk automatically.
<div data-tapwater-postcode="CV7"></div>
<script src="https://www.tapwater.uk/widget.js" async></script>Get a detailed water quality report for your exact area in Coventry.
Based on water quality data from 7 postcode districts in Coventry. Data from your water company via the Stream Water Data Portal and the Environment Agency. See our methodology for how scores are calculated.