tapwater.uk

Yorkshire Water

Water quality report — Yorkshire

8.1/10

Average score

Good

S1

Lowest scored area

6.6/10

LS7

Highest scored area

9.8/10

6

Contaminants flagged

across all areas

Water Quality Across Yorkshire Water Area

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

PostcodeAreaScoreStatus
S1Sheffield6.6/10Fair
S2Sheffield6.6/10Fair
LS1Leeds7.7/10Good
LS2Leeds7.7/10Good
LS3Leeds7.7/10Good
LS6Leeds7.7/10Good
S10Sheffield8.7/10Good
S11Sheffield8.7/10Good
YO1York9.1/10Excellent
YO10York9.1/10Excellent
LS7Leeds9.8/10Excellent

Postcode Areas Served

All postcode districts within Yorkshire Water's supply network.

LS1Leeds7.7LS2Leeds7.7LS3Leeds7.7LS6Leeds7.7LS7Leeds9.8S1Sheffield6.6S2Sheffield6.6S10Sheffield8.7S11Sheffield8.7YO1York9.1YO10York9.1
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.