Burn Dennet River (Ballynamallaght) — water body quality
near Ballymagorry, Derry City and Strabane
Burn Dennet River (Ballynamallaght) is a river in Derry City and Strabane, near Ballymagorry, extending 13.2 km.
Official classification
Good
Assessed 2026
Good ecological status under the Water Framework Directive means the biology and chemistry of this water body depart only slightly from near-natural conditions for its type, which meets the Directive’s environmental objective.
| Stretch | Status |
|---|---|
| Burn Dennet River (Ballynamallaght) | Good |
Overall status reflects the worst stretch (precautionary).
This water body
- Type
- River
- Length
- 13.2 km
- County
- Derry City and Strabane
- Location
- 54.8278, -7.2139
Others in Derry City and Strabane
- Altinaghrea Burn, MagheramasonGood
- Burn Dennet River (Dunnamanagh), BallymagorryGood
- Burn Dennet River (Milltown), BallymagorryModerate
- Burngibbagh, New BuildingsGood
- Burntollet River (Lougheramore), EglintonModerate
- Burntollet River (Ness Wood), EglintonModerate
- Cappagh Burn, NewtownstewartModerate
- Cavanalee River, StrabaneModerate
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.