Donegal
Water quality for 377 rivers, lakes and coastal waters in Donegal, from EPA and DAERA Water Framework Directive ecological status.
Official classifications in this county
- High
- 51
- Good
- 171
- Moderate
- 92
- Poor
- 57
- Unknown
- 6
- Abberachrin, Loughfad HillGood
- Abbey, RoshinGood
- Acloghbolie, DerrydruelGood
- Aderry, Loughfad HillGood
- Adoochro, StraboyGood
- Adreen, DoocharyGood
- Agannive Brockagh, CreesloughGood
- Agannive Slieve Snaght, CommeenHigh
- Aghalough, PettigoeGood
- Aghaweel, TonduffPoor
- Agher, MeencorwickGood
- Akibbon, Church HillGood
- Aleck More, MeenacrossGood
- Altan, CashelnagorGood
- Aluirg, CashelnagorHigh
- An CÉideadh, KincasslaghModerate
- An CheathrÚ Cheanainn, RayModerate
- an tSeisigh, PortnablaghModerate
- Ananima, KilreanGood
- Anillar, MeencorwickHigh
- Anna, MullanmoreHigh
- Annilanowennamarve, DoocharyGood
- Anoon, ArdmeenGood
- Anure, LoughanureGood
- Ardagh, BallyliffinPoor
- Ardmore, MuffPoor
- Aroshin, CrowbaneGood
- Assaroe, BallyshannonGood
- Atirrive, DunlewyHigh
- Aught, Quigley’s PointModerate
- Avehy, PettigoeGood
- Ballaghdoo, CrowkeeraghPoor
- Ballincrick and Ballynabrocky, MagheradrummanModerate
- Ballintra, ShannaghGood
- Ballyboe, CulkeenyPoor
- Ballycramsy, MalinModerate
- Ballygorman, MalinModerate
- Ballyhallan, CloghglassPoor
- Ballyhoorisky, SessiaghGood
- Ballykillowen Stream, LaghyPoor
- Ballymagrorty Scotch, CashelModerate
- Ballynashannagh, PortsalonGood
- Ballyness Bay, BallynessHigh
- Bannagh River, PettigoeModerate
- Barr Coilleadh, LaconnellGood
- Barra, CommeenGood
- Beg Dl, MelmoreGood
- Bellanagoal river, DerrynessModerate
- Belshade, GlendowanHigh
- Big Burn, TullaghPoor
- Birroge, ClooneyHigh
- Blanket Nook Lough, Newtown CunninghamModerate
- Bogside, DunkineelyGood
- Bracky, GlengeshPoor
- Bradoge, BundoranGood
- Bredagh, MovillePoor
- Bridgetown (Donegal), ShannaghModerate
- Bullaba, GlendowanModerate
- Bun Na Leaca, BrinlackModerate
- Bunadaowen, BarnesmoreGood
- Bundoran Bay, BundoranHigh
- Bunlacky, CroaghHigh
- Bunlin, MillfordHigh
- Burn Daurnett, BallybofeyModerate
- Burnfoot, MuffPoor
- Burnside, KerrykeelModerate
- Cabry, StranagoppogeGood
- Calabber, CashelnagorHigh
- Carn Low, RameltonGood
- Carrick Beg Lough (South), GortnabradeNo official rating
- Carrickart, GortnabradeModerate
- Carrigans River, Church TownPoor
- Carrowen, Newtown CunninghamModerate
- Carrowhugh, GreencastlePoor
- Carrownamaddy, ShanballyGood
- Cashelnacor, DrumfreePoor
- Catheen, DerrybegPoor
- Clady (Donegal), DorePoor
- Claggan, GlendowanGood
- ClarcarricknagunGood
- Cloghanmore, Malin MorePoor
- Clogher (Donegal), BarnesmoreModerate
- Clogher (Finn), GlendowanModerate
- Cloghroe, DrumkeenGood
- Clonmany, ClonmanyPoor
- Clooney, ClooneyGood
- Cloontagh, CloghglassModerate
- Cnoc Fola, KnockfolaGood
- Columbcilles, ShanballyGood
- Columbkille, RoshinGood
- Cool More, CashelGood
- Cooly, MovillePoor
- Corabber, BarnesmoreGood
- Corravaddy Burn, LetterkennyGood
- Corveen, StranabrooeyModerate
- Craghy, DungloeGood
- Crana, BuncranaPoor
- Crana Estuary, BuncranaModerate
- Croagh, MeenagolanGood
- Croan, DunlewyHigh
- Croangar, ArdmeenGood
- Crocklummon, GreencastleModerate
- Cronaniv Burn, DunlewyModerate
- Cross Roads Stream, GortahorkModerate
- Crow, CrowbanePoor
- Culdaff, CuldaffModerate
- Cullionboy, BarnesmoreHigh
- Cummirk, KingarrowGood
- Cunlin Lough Stream, KillybegsGood
- Cushkeeragh, DungloeGood
- Deele (Donegal), DrumkeenPoor
- Derg, BarnesmoreGood
- Derg Dl, PettigoeGood
- Derg River (Crocknacunny), BarnesmoreGood
- Derg River (Killeter), MeenagolanGood
- Derg River (Legvin), MeenasronaModerate
- Derryduff, Loughfad HillGood
- Devlin (Donegal), DunlewyGood
- Doire ChasÁin, DoaghGood
- Donagh, CashelModerate
- Donegal Bay (Erne), CashelHigh
- Donegal Bay Northern, MuckrosHigh
- Doo Dl, DrumfreeHigh
- Dooballagh Burn, GlenmaquinGood
- Doon, ClooneyGood
- Dooraa Tributary, PettigoeGood
- Dresnagh, GraffyGood
- Drumagh, CronkeeranModerate
- Drumbarnet Stream, Newtown CunninghamPoor
- Drumhallagh, GlenvarPoor
- Drummeny, BarnesmoreGood
- Drumnakilly, PortGood
- Drung, StranagoppogeGood
- Dunfanaghy, PortModerate
- Dungloe, DungloePoor
- Dungloe Bay, MeenmoreHigh
- Dunglow, DungloeGood
- Dunlewy, DunlewyHigh
- Dunragh, ShannaghGood
- Duntally, CreesloughGood
- Durnesh Lough, CashelPoor
- Duvoge, Loughfad HillGood
- Eany Water, FrossesModerate
- Eany Water Estuary, InverHigh
- Eanybeg Water, MullanmoreHigh
- Eanymore Water, TieveloughGood
- Eglish, BarnesmoreGood
- Elatagh, MeenasronaModerate
- Erne Estuary, BallyshannonModerate
- Eske, BarnesmoreGood
- Eske, BarnesmoreGood
- Fad (Redcastle), StranagoppogePoor
- Fad Barnesmore Gap, BarnesmoreHigh
- Fad Dunglow, DungloeGood
- Fad Gubbin Hill, FintownGood
- Fad Meendoran, CloghglassHigh
- Fad Portnoo, ClooneyHigh
- Fadda Dl, CommeenGood
- Fallaneas, SessiaghGood
- Faymore, CreesloughModerate
- Feeane, CashelnagorHigh
- Fern, RayPoor
- Finn (Donegal), AltnapastePoor
- Finn Dl, FintownGood
- Finn River, KillindarraghModerate
- Fintragh, KillybegsModerate
- Foyle Harbour and Faughan, MuffModerate
- Gannevegil, DerrydruelGood
- Garrymore (Donegal), BallyboeModerate
- Gartan, Church HillGood
- Garveross, KinnakillewModerate
- Glack or Bohullion, InchGood
- Glais BheagÁin, MeenmoreModerate
- Glar, Newtown CunninghamPoor
- Glashagh (Lower), RayModerate
- Glashagh (Upper), Church HillGood
- Glaskeelan, GlendowanModerate
- Glen (Carrick), StranagartanPoor
- Glen (Lackagh), GlenGood
- Glen (Meenaclady), MeenacladyModerate
- Glen Dl, GlenGood
- Glenaddragh, KilcarPoor
- Glenalla, RayGood
- Glencoagh, MountcharlesGood
- Glendergan River, MeenasronaModerate
- Glenleheen Stream, FintownGood
- Glenna, Beltany LowerGood
- Glennagannon, StranagoppogeGood
- Glentornan, MeencorwickHigh
- Glenvar, GlenvarPoor
- Golagh, RoshinGood
- Gorman, RoshinGood
- Gort, RathmullanGood
- Gortyarrigan, BuncranaModerate
- Greenan, TermonHigh
- Greencastle, GreencastlePoor
- Gweebarra, CommeenModerate
- Gweebarra Bay, ClooneyGood
- Gweebarra Estuary, LettermacawardModerate
- Gweedore, CrollyPoor
- Gweedore Bay, GortnasateHigh
- Gweedore Estuary, Rann Na FeirsteHigh
- Inch Lough, TieveborneModerate
- Inner Donegal Bay, CarrickGood
- Inshagh, GlendowanGood
- Inver Bay, PortHigh
- Keel Crotty, MeencorwickModerate
- Keel Kilmacrenan, KilmacrenanGood
- Keel Lough Stream, MeencorwickPoor
- Keenagh, MalinGood
- Kill, MuckrosGood
- Killybegs Harbour, KillybegsModerate
- Kiltooris, DerrynessModerate
- Kiltooris, ClooneyModerate
- Kindrum, KindrumModerate
- Kinny, MagheradrummanGood
- Knockybrin, MagherabegModerate
- Lack More, ArdmeenHigh
- Lackagh Estuary, CashelHigh
- Laddan, KindrumGood
- Lagha, Ards BegGood
- Laghy Stream, ShannaghGood
- Largatreany, DunfanaghyGood
- Leannan, RayPoor
- Leitrim Hill StreamGood
- Lenan, DunaffGood
- Leslie Hill Stream, ManorcunninghamModerate
- Lisfannan, FahanModerate
- Loch Chionn Caslach (Kincas Lough), KincasslaghModerate
- Loch O Dheas, Tory Island, West TownModerate
- Long Glen, GreencastleModerate
- Lough Agher Stream, RayGood
- Lough Foyle, Quigley’s PointGood
- Lough Foyle, Quigley’s PointNo official rating
- Lough Nastackan Stream, GleneelyGood
- Lough Swilly, TonduffGood
- Loughadeery, CrowbaneGood
- Loughanure, AnnagaryModerate
- Loughkeel Burn, MillfordModerate
- Loughros Bay, MagheraHigh
- Lower Lough Erne Kesh, PettigoePoor
- Lowerymore, BarnesmoreModerate
- Lurgy, TermonGood
- Maas, Loughfad HillModerate
- Machugh, LettermacawardGood
- Maggy's Burn, MillfordPoor
- Maghery Lough, MagheryNo official rating
- Magrath Beg, GraffyHigh
- Magrath More, MullanmoreHigh
- Malin Beg, Malin BegGood
- Malin Stream, MalinPoor
- McSwines Bay, KillybegsHigh
- Meela, MeenmoreGood
- Meenaclady, BunbegHigh
- Meenagowan, LettermacawardGood
- Meenaviller, TeelinGood
- Meenlecknalore, DerrydruelGood
- Melmore, MelmoreGood
- Melmore Head, MelmoreGood
- Mill (Donegal), BuncranaModerate
- Mill Brook, RathmullanModerate
- MÍn An Chairn, DerrydruelGood
- MÍn Doire Eidhinn, MeenacrossGood
- MÍobhaigh, GortnalughogeModerate
- Moilt, CashelnagorGood
- Moorlagh, AnnagaryNo official rating
- Mountcharles, InverModerate
- Mourne Beg, GlendowanPoor
- Mourne Beg River (Derrygoonan), MeenasronaModerate
- Mourne Dl, AltnapasteGood
- Muck Dl, KingarrowHigh
- Mullaghderg, KincasslaghModerate
- Mullaghderg East, KincasslaghGood
- Mullaghderg West, KincasslaghGood
- Mulnamin Beg, LettermacawardGood
- Mulroy Bay Broadwater, GortnabradeGood
- Mulroy Bay Northwater, TawnyHigh
- Murlin, GlencolumbkillePoor
- Nabrackmore, DoocharyGood
- Nacally, Church HillGood
- Nacung Upper, MeenacungGood
- Nacuskry, DoocharyGood
- Nadeal, MullanmoreGood
- Nagilly, ArdmeenGood
- Naglea, SessiaghGood
- Nalugraman, StravallyHigh
- Namanlagh, Loughfad HillGood
- Nambraddan, GlendowanGood
- Nameeltoge, GortnabradeGood
- Namuck, DungloeGood
- Namurrig, DerrydruelGood
- Nanillan, ArdmeenHigh
- Nanuarragh, DerrydruelGood
- Nanuroge, CommeenGood
- Nasnanida, DoocharyGood
- New, PortGood
- Newmill, RameltonModerate
- Newtownburke, LaconnellModerate
- Nillan, CrocknagappleGood
- Northern Atlantic Seaboard (HAs 40;02), MalinHigh
- Northwestern Atlantic Seaboard (HAs 37;38), KincasslaghHigh
- Oily, CrocknagappleGood
- Owenator, MeencorwickGood
- Owenawillin, Ards BegPoor
- Owenboy (Crana), DrumfreeModerate
- Owenboy Burn, PettigoeModerate
- Owencarrow, GlendowanModerate
- Owencronahulla, StranabrooeyGood
- Owenea, TieveloughModerate
- Owenea, CrocknagappleGood
- Owenea Estuary, DerrynessHigh
- Owenerk, TonduffModerate
- Owennamarve, DoocharyGood
- Owennasop, StranagoppogePoor
- Owenteskiny, StravallyModerate
- Owentocker, CrocknagappleModerate
- Owenveagh, DunlewyModerate
- Owenwee (Carrick), MeenaveanPoor
- Owenwee (Doocharry), CommeenGood
- Owenwee (Glen Lough), GlenHigh
- Owenwee (Lough Gartan), GlendowanModerate
- Owenwee (Loughros), MagheraGood
- Ponud, ClooneyGood
- Port Stream, PortGood
- Portaleen, CulkeenyPoor
- Rashenny, BallyliffinModerate
- Rathgory, TawnyModerate
- Ray, CashelnagorPoor
- Redford Glebe, CuldaffModerate
- Reelan, TieveloughModerate
- Reelan, GlenGood
- Rockhill (Donegal), FaugherGood
- Roechrow, CrowbanePoor
- Roosky, Quigley’s PointPoor
- Rosepenna, GlenPoor
- Rough Burn, AltnapasteGood
- Rutland Sound, EdernishfreeHigh
- Sally's Lough, EdernishfreeNo official rating
- Salt, TermonGood
- Saltpans, MagheryGood
- Sessiaghkeelta, PettigoeGood
- Shallogan, StracashelGood
- Shannagh, MagheradrummanGood
- Sheephaven Bay, FaugherHigh
- Shivnagh, FintownGood
- Skeoge River, Bridge EndPoor
- Skeskinmore, DerrynessGood
- St Johnston, St JohnstonModerate
- St. Peters, MountcharlesGood
- Stracashel, StracashelModerate
- Stragar, MeenagolanPoor
- Straid, CarndonaghGood
- Stranagoppoge, FintownPoor
- Summy, Loughfad HillHigh
- Swilly, SeacorPoor
- Swilly (Donegal), LetterkennyGood
- Swilly Burn, RaphoePoor
- Swilly Estuary, DrumPoor
- Tamur, CrocknagappleGood
- Teelin Bay, TeelinHigh
- Termon River (Pettigoe), PettigoeGood
- Termon River (Tullynamaltra), PettigoeGood
- Tievemore Burn, MeenagolanModerate
- Tory Island Waters, West TownNo official rating
- Trawbreaga Bay, MalinHigh
- Trawena Bay, DerrydruelHigh
- Tulach, TullaghModerate
- Tullaghobegly, GortahorkPoor
- Tullinteane, CrocknagappleModerate
- Tullynassidagh, RoshinModerate
- Unshin, RoshinGood
- Veagh, GlendowanGood
- Vearty, ShannaghGood
- Veigha, BrinlackGood
- Warvanneil, Loughfad HillGood
- Waterfoot River, PettigoeModerate
- Woodquarter, MillfordGood
These pages show 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.
Official classifications on this page contain DAERA/NIEA Water Framework Directive classification data © Crown copyright, licensed under Open Government Licence v3.0.