Portsmouth Water
Water quality report — Hampshire and West Sussex
9.9/10
Average score
Excellent
PO4
Lowest scored area
9.9/10
PO5
Highest scored area
9.9/10
0
Contaminants flagged
across all areas
Water Quality Across Portsmouth Water Area
Scores sorted by lowest first — worst quality at the top.
Postcode Areas Served
All postcode districts within Portsmouth Water's supply network.