River Lagan (Bull's Brook) — water body quality
near Dromore, Armagh City Banbridge and Craigavon
River Lagan (Bull's Brook) is a river in Armagh City Banbridge and Craigavon, near Dromore, extending 6.0 km.
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 |
|---|---|
| River Lagan (Bull's Brook) | Poor |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- River
- Length
- 6.0 km
- County
- Armagh City Banbridge and Craigavon
- Location
- 54.4052, -6.0976
Others in Armagh City Banbridge and Craigavon
- Annagh River, PortadownBad
- Ballybay River, RichhillModerate
- Ballymacone River, KeadyModerate
- Ballymartrim Water, KillyleaModerate
- Butter Water, ArmaghModerate
- Callan River (Derryscollop), ArmaghModerate
- Callan River (Milford), ArmaghModerate
- Callan River (Tassagh), KeadyModerate
All rivers, lakes & coast in Armagh City Banbridge and Craigavon
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.