Swilly Estuary — water body quality
near Drum, Donegal
Swilly Estuary is a coastal water in Donegal, near Drum, covering 59.3 km².
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.
| Stretch | Status |
|---|---|
| Swilly Estuary | Poor |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- Coastal water
- Area
- 59.3 km²
- County
- Donegal
- Location
- 55.0390, -7.5650
Others in Donegal
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.