Callan River (Derryscollop) — water body quality
near Armagh, Armagh City Banbridge and Craigavon
Callan River (Derryscollop) is a river in Armagh City Banbridge and Craigavon, near Armagh, extending 27.6 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 |
|---|---|
| Callan River (Derryscollop) | Moderate |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- River
- Length
- 27.6 km
- County
- Armagh City Banbridge and Craigavon
- Location
- 54.3718, -6.6693
Others in Armagh City Banbridge and Craigavon
- Annagh River, PortadownBad
- Ballybay River, RichhillModerate
- Ballymacone River, KeadyModerate
- Ballymartrim Water, KillyleaModerate
- Butter Water, ArmaghModerate
- Callan River (Milford), ArmaghModerate
- Callan River (Tassagh), KeadyModerate
- Clanrye North River, RathfrilandModerate
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.