tapwater.uk

South West Water

Water quality report — Devon and Cornwall

8.8/10

Average score

Good

EX1

Lowest scored area

5.9/10

PL1

Highest scored area

9.8/10

3

Contaminants flagged

across all areas

Water Quality Across South West Water Area

Scores sorted by lowest first — worst quality at the top.

PostcodeAreaScoreStatus
EX1Exeter5.9/10Fair
PL2Plymouth9.6/10Excellent
EX2Teignbridge9.7/10Excellent
PL1Plymouth9.8/10Excellent

Postcode Areas Served

All postcode districts within South West Water's supply network.

Supplier compliance rates are sourced from the Drinking Water Inspectorate (DWI) annual reports. Postcode scores are calculated from Environment Agency monitoring data. See our methodology for full details.