City of Belfast
Water quality for 4 rivers, lakes and coastal waters in City of Belfast, from EPA and DAERA Water Framework Directive ecological status.
Official classifications in this county
- Moderate
- 3
- Poor
- 1
- Belfast Harbour, BelfastModerate
- Blackstaff (Belfast) River, BelfastModerate
- Connswater, CastlereaghPoor
- Lagan Estuary, BelfastModerate
These pages show water-quality information, not swim-safety advice. For today’s conditions and swim-safety guidance, check Water Safety Ireland.