Donegal, Ireland
County page for 29 named lakes in Ireland. Official surface phosphorus, chlorophyll-a, and Secchi — not a swim-safety class and not a LakeQuality letter.
Lake map
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Named lakes
| Lake | Place | Total phosphorus | Chlorophyll-a | Secchi | Year |
|---|---|---|---|---|---|
| Lough Akibbon | Donegal | 16 µg/L | 3.2 µg/L | — | 2022 |
| Lough An Tseisigh | Donegal | 12 µg/L | 2.3 µg/L | — | 2023 |
| Lough Anure | Donegal | 13 µg/L | 1.9 µg/L | — | 2023 |
| Lough Barra | Donegal | 14 µg/L | 1.7 µg/L | — | 2023 |
| Lough Derg | Donegal | 13 µg/L | 5.9 µg/L | — | 2022 |
| Lough Dunglow | Donegal | 14 µg/L | 1.8 µg/L | — | 2023 |
| Lough Eske | Donegal | 14 µg/L | 5.5 µg/L | — | 2022 |
| Lough Fad Meendoran | Donegal | 11 µg/L | 2.3 µg/L | — | 2022 |
| Lough Fern | Donegal | 27 µg/L | 3.0 µg/L | — | 2023 |
| Lough Finn | Donegal | 29 µg/L | 4.2 µg/L | — | 2022 |
| Lough Gartan | Donegal | 12 µg/L | 2.1 µg/L | — | 2022 |
| Lough Glen | Donegal | 14 µg/L | 2.0 µg/L | — | 2023 |
| Lough Golagh | Donegal | 18 µg/L | 7.1 µg/L | — | 2022 |
| Lough Gorman | Donegal | 15 µg/L | 9.8 µg/L | — | 2022 |
| Lough Greenan | Donegal | 27 µg/L | 1.5 µg/L | — | 2022 |
| Lough Keel Crotty | Donegal | 14 µg/L | 3.1 µg/L | — | 2022 |
| Lough Keel Kilmacrenan | Donegal | 14 µg/L | 5.3 µg/L | — | 2022 |
| Lough Kiltooris | Donegal | 14 µg/L | 2.5 µg/L | — | 2023 |
| Lough Kindrum | Donegal | 12 µg/L | 2.4 µg/L | — | 2023 |
| Lough Kinny | Donegal | 22 µg/L | 11 µg/L | — | 2022 |
| Lough Mourne | Donegal | 12 µg/L | 2.6 µg/L | — | 2022 |
| Lough Naglea | Donegal | 17 µg/L | 8.1 µg/L | — | 2022 |
| Lough Nasnanida | Donegal | 18 µg/L | 1.9 µg/L | — | 2023 |
| Lough Salt | Donegal | 19 µg/L | 1.4 µg/L | — | 2022 |
| Lough Shannagh | Donegal | 14 µg/L | 3.6 µg/L | — | 2022 |
| Lough Tullynassidagh | Donegal | 26 µg/L | 21 µg/L | — | 2022 |
| Lough Unshin | Donegal | 18 µg/L | 1.7 µg/L | — | 2022 |
| Lough Veagh | Donegal | 13 µg/L | 1.9 µg/L | — | 2023 |
| Lough Vearty | Donegal | 15 µg/L | 4.9 µg/L | — | 2022 |
Where to stay near Donegal, Ireland
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