Crumlin (Lough Cullin) — water body quality
near Ross West, Mayo
Crumlin (Lough Cullin) is a river in Mayo, near Ross West, extending 40.0 km.
Official classification
High
Assessed 2026
Under the EU Water Framework Directive, high ecological status means the plant and animal life here, together with the physical and chemical condition of the water, show little or no departure from what would be expected in a water body of this type with almost no human impact.
| Stretch | Status |
|---|---|
| Crumlin (Lough Cullin) | High |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- River
- Length
- 40.0 km
- County
- Mayo
- Location
- 53.9275, -9.2331
Others 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.