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Grand Canal Main Line (Liffey and Dublin Bay) — water body quality

near Newcastle, South Dublin

Grand Canal Main Line (Liffey and Dublin Bay) is a river in South Dublin, near Newcastle, extending 41.3 km.

Official classification

Good

Assessed 2026

Good ecological status under the Water Framework Directive means the biology and chemistry of this water body depart only slightly from near-natural conditions for its type, which meets the Directive’s environmental objective.

StretchStatus
Grand Canal Main Line (Liffey and Dublin Bay)Good

Overall status reflects the worst stretch (precautionary).

This water body

Type
River
Length
41.3 km
County
South Dublin
Location
53.3018, -6.5098
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Others in South Dublin

All rivers, lakes & coast in South Dublin

This page shows water-quality information, not swim-safety advice. For today's conditions and swim-safety guidance, check Water Safety Ireland.

Official classifications on this page contain EPA Water Framework Directive ecological status data © Environmental Protection Agency, licensed under CC-BY-4.0.

All data sources and licences.