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Dalgan — water body quality

near Cloonfad, Roscommon

Dalgan is a river in Roscommon, near Cloonfad, extending 127.6 km.

Official classification

Moderate

Assessed 2026

Moderate is the first Water Framework Directive class that falls short of the Directive’s objective: the biological communities here differ moderately from those expected in a near-natural water body of this type, so a programme of measures applies.

StretchStatus
DalganGood
DalganModerate
DalganGood
DalganGood
DalganModerate

Overall status reflects the worst stretch (precautionary).

This water body

Type
River
Length
127.6 km
County
Roscommon
Location
53.7067, -8.7982
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Others in Roscommon

All rivers, lakes & coast in Roscommon

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.