Lough Neagh — water body quality
near Crumlin, Antrim and Newtownabbey
Lough Neagh is a lake in Antrim and Newtownabbey, near Crumlin, covering 381.1 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 |
|---|---|
| Lough Neagh | Poor |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- Lake
- Area
- 381.1 km²
- County
- Antrim and Newtownabbey
- Location
- 54.6135, -6.4178
Others in Antrim and Newtownabbey
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.