Blackwater (Monaghan) — water body quality
near Sheskin, Monaghan
Blackwater (Monaghan) is a river in Monaghan, near Sheskin, extending 80.4 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 |
|---|---|
| Blackwater (Monaghan) | Good |
| Blackwater (Monaghan) | Good |
| Blackwater (Monaghan) | Good |
| Blackwater (Monaghan) | Poor |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- River
- Length
- 80.4 km
- County
- Monaghan
- Location
- 54.2773, -7.0281
Others in Monaghan
This page shows water-quality information, not swim-safety advice. For today's conditions and swim-safety guidance, check Water Safety Ireland.