Castle Water — water body quality
near Ballyclare, Antrim and Newtownabbey
Castle Water is a river in Antrim and Newtownabbey, near Ballyclare, extending 6.7 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 |
|---|---|
| Castle Water | Moderate |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- River
- Length
- 6.7 km
- County
- Antrim and Newtownabbey
- Location
- 54.7725, -5.9212
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.