| Year | Location | Water Sample Date | Date BGA Identified |
|---|---|---|---|
| 2025 | Dog Lake | September 24, 2025 | October 6, 2025 |
| Hazelwood Lake | September 24, 2025 | October 1, 2025 | |
| Icarus Lake | August 29, 2025 | September 4, 2025 | |
| Kenogamisis Lake | August 20, 2025 | August 25, 2025 | |
| Hattie Cove | August 11, 2025 | August 14, 2025 | |
| 2024 | Marie Louise Lake | September 21, 2024 | October 8, 2024 |
| McKenzie Beach Avenue (Shuniah) | August 27, 202 | August 29, 2024 | |
| Two Island Lake | August 22, 2024 | August 28, 2024 | |
| Kenogamisis Lake | August 15, 2024 | August 23, 2024 | |
| Scott Drive Beach (Shuniah) | August 14, 2024 | August 23, 2024 | |
| One Island Lake | August 12, 2024 | August 14, 2024 | |
| Trout Lake | June 24, 2024 | June 27, 2024 | |
| 2023 | Kenogamisis Lake | September 18, 2023 | September 21, 2023 |
| Hazelwood Lake - Public Beach Area | August 24, 2023 | August 30, 2023 | |
| West Loon Lake | August 24, 2023 | August 28, 2023 | |
| Surprise Lake | August 13, 2023 | August 16, 2023 | |
| Lake Superior near Scott Dr. (Shuniah) | July 25, 2023 | July 28, 2023 | |
| Surprise Lake | June 19, 2023 | June 21, 2023 | |
| Trout Lake | June 30, 2023 | July 6, 2023 | |
| Icarus Lake | July 2, 2023 | July 6, 2023 | |
| 2022 | Open Bay on Lac Des Milles Lacs | October 4, 2022 | October 11, 2022 |
| East Loon Lake | August 22-23, 2022 | August 30, 2022 | |
| Icarus Lake | July 3, 2022 | July 6, 2022 | |
| 2021 | Hazelwood Lake Conservation Area | June 14, 2021 | June 21, 2021 |
| Two Island Lake | June 29, 2021 | June 29, 2021 | |
| Black Bay, Lake Superior | July 9, 2021 | July 21, 2021 | |
| Shelter Bay on Lower Shebandowan Lake | August 9, 2021 | August 20, 2021 | |
| Rossmere Bay on Middle Lake Shebandowan | August 27, 2021 | August 31, 2021 | |
| Trout Lake, Gorham Township | August 31, 2021 | September 22, 2021 | |
| Madalaine Lake | October 6, 2021 | October 22, 2021 | |
| Lac de Milles Lac – Thunder Bay | September 26, 2021 | October 22, 2021 | |
| 2020 | Surprise Lake | September 16, 2020 | September 24, 2020 |
| Madelaine Lake | August 25, 2020 | September 1, 2020 | |
| Icarus Lake | August 24, 2020 | September 1, 2020 | |
| Warnica Lake | August 13, 2020 | August 26, 2020 | |
| 2019 | Hawkeye Lake | August 21, 2019 | August 23, 2019 |
| Lower Shebandowan Lake | August 23, 2019 | August 29, 2019 | |
| Icarus Lake | August 25, 2019 | August 30, 2019 | |
| Surprise Lake | September 17, 2019 | September 23, 2019 |
Blue-Green Algae Historical Results
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