River Main (Randalstown) — water body quality
near Randalstown, Antrim and Newtownabbey
River Main (Randalstown) is a river in Antrim and Newtownabbey, near Randalstown, extending 14.5 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 |
|---|---|
| River Main (Randalstown) | Moderate |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- River
- Length
- 14.5 km
- County
- Antrim and Newtownabbey
- Location
- 54.7700, -6.3108
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.