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Black (Shrule) — water body quality

near Shrule, Mayo

Black (Shrule) is a river in Mayo, near Shrule, extending 112.5 km.

Official classification

Poor

Assessed 2026

Poor ecological status means the Water Framework Directive assessment found major alteration to this water body’s biological communities, with many of the species expected in an undisturbed water body of its type absent or much reduced.

StretchStatus
Black (Shrule)Poor
Black (Shrule)Good
Black (Shrule)Good

Overall status reflects the worst stretch (precautionary).

This water body

Type
River
Length
112.5 km
County
Mayo
Location
53.5147, -9.0969
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Others in Mayo

All rivers, lakes & coast in Mayo

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.