Cartron — water body quality
near Pollranny Sweeny, Mayo
Cartron is a river in Mayo, near Pollranny Sweeny, extending 26.6 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 |
|---|---|
| Cartron | Poor |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- River
- Length
- 26.6 km
- County
- Mayo
- Location
- 53.9343, -9.8565
Others in Mayo
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 EPA Water Framework Directive ecological status data © Environmental Protection Agency, licensed under CC-BY-4.0.