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Black (Sligo) — water body quality

near Charlestown, Mayo

Black (Sligo) is a river in Mayo, near Charlestown, extending 17.7 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
Black (Sligo)Good

Overall status reflects the worst stretch (precautionary).

This water body

Type
River
Length
17.7 km
County
Mayo
Location
53.9644, -8.7550
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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.