Upper Lough Erne (lake) — water body quality
near Derrylin, Fermanagh and Omagh
Upper Lough Erne is a lake in Fermanagh and Omagh, near Derrylin, covering 56.0 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 |
|---|---|
| Upper Lough Erne | Poor |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- Lake
- Area
- 56.0 km²
- County
- Fermanagh and Omagh
- Location
- 54.2066, -7.4958
Others in Fermanagh and Omagh
- Aghavea River, BrookeboroughGood
- Arney River, ArneyModerate
- Ballina Tributary, TamlaghtModerate
- Ballinamallard River (Ballinamallard), BallinamallardPoor
- Ballinamallard River (Keenogue), KilskeeryModerate
- Ballinamallard River (Magheracross), KilskeeryModerate
- Ballycassidy River, IrvinestownModerate
- Ballynahatty (Drumragh) Water, FintonaModerate
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 DAERA/NIEA Water Framework Directive classification data © Crown copyright, licensed under Open Government Licence v3.0.