Sillees River (Lough Navar Forest) — water body quality
near Derrygonnelly, Fermanagh and Omagh
Sillees River (Lough Navar Forest) is a river in Fermanagh and Omagh, near Derrygonnelly, extending 11.1 km.
Official classification
Moderate
Assessed 2026
Moderate is the first Water Framework Directive class that falls short of the Directive’s objective: the biological communities here differ moderately from those expected in a near-natural water body of this type, so a programme of measures applies.
| Stretch | Status |
|---|---|
| Sillees River (Lough Navar Forest) | Moderate |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- River
- Length
- 11.1 km
- County
- Fermanagh and Omagh
- Location
- 54.4436, -7.9204
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.