England
Severn Trent serves Cheltenham from Severn river sources and the Cotswold aquifer.
According to TapWater.uk's analysis, Cheltenham scores 9.3/10 for drinking water quality in 2026. Water is supplied by Severn Trent and has been tested for 19 contaminants across 4 postcode districts.
Average score
9.3/10
UK avg: 9.0/10
Areas tested
4
Issues flagged
0
PFAS detected
None
Yes, Cheltenham tap water is safe to drink. Based on 4 areas tested, Cheltenham 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 Severn Trent. Severn Trent serves Cheltenham from Severn river sources and the Cotswold aquifer.
All postcode districts in Cheltenham, ranked by water quality score.
Learn more about the water quality issues relevant to this area.
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Yes, Cheltenham tap water is generally safe to drink. Across 4 areas tested, the average water quality score is 9.3/10. Severn Trent serves Cheltenham from Severn river sources and the Cotswold aquifer.
Yes, you can drink tap water in Cheltenham. It is regulated to UK drinking water standards, and across 4 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 Cheltenham. All tested areas passed on the parameters measured.
Water in Cheltenham has an average hardness of 286 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 Cheltenham are GL52 (9.4/10), GL50 (9.3/10), GL53 (9.3/10).
Water in Cheltenham is supplied by Severn Trent. Severn Trent serves Cheltenham from Severn river sources and the Cotswold aquifer.
No PFAS (forever chemicals) have been detected in any of the 4 areas tested in Cheltenham.
Free live water quality widget for GL52: 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 Cheltenham.