Reported Blue-Green Algae Blooms
The following table outlines local blue-green algae information.
If you spot a suspected blue-green algae bloom, report it by calling 1-866-MOE-TIPS (663-8477).
| Location | Date of Sample | Date Blue-Green Algae Identified | Toxins Present (Yes/No) | Date Toxin Analysis Posted |
|---|---|---|---|---|
| Edward Lake | Oct 15, 2023 | Oct 23, 2023 | Yes, total Microcystins concentration was below Ontario Drinking Water Standards | Oct 23, 2023 |
| English River, Ear Falls | Oct 2, 2023 | TBD | TBD | TBD |
| Winnipeg River, Villeneuve Road | Oct 2, 2023 | TBD | TBD | TBD |
| Cameron Bay, Lake of the Woods | Oct 3, 2023 | Oct 11, 2023 | Yes, total Microcystins concentration were below Ontario drinking water standards | Oct 11, 2023 |
| Cuttle Lake, Hwy 502 | Aug 29, 2023 | TBD | TBD | TBD |
| Hartman Lake | Aug 15, 2023 | Aug 23, 2023 | Yes, total Microcystins concentration were below Ontario drinking water standards | Aug 23, 2023 |
| Laurenson Lake | Aug 1, 2023 | Aug 4, 2023 | TBD | TBD |
| Johnson Landing Road, Winnipeg River | July 21, 2023 | July 28, 2023 | Yes - Microcystins were present at concentrations below the Ontario Drinking Water Standard | July 28, 2023 |
| Wabigoon Lake | June 26, 2023 | July 6, 2023 | Yes - Microcystins were present at concentrations below the Ontario Drinking Water Standard | July 6, 2023 |
| Abram Lake | June 26, 2023 | July 6, 2023 | No | July 6, 2023 |
| Second Sandy Beach on Pelican Lake | June 26, 2023 | July 6, 2023 | No | July 6, 2023 |
| Lulu Lake (Kenora area) | June 8, 2023 | June 15, 2023 | No | June 16, 2023 |
| Mink Bay (Kenora) | Oct 5, 2022 | Oct 14, 2022 | Yes - Microcystins were present at concentrations below the Ontario Drinking Water Standard. Anatoxin-A was not detected in the sample. | Oct 14, 2022 |
| Black Sturgeon Lake (Williams Road area) | Oct 5, 2022 | Oct 12, 2022 | Yes - Microcystins were present at concentrations below the Ontario Drinking Water Standard. Anatoxin-A was not detected in the sample. | Oct 12, 2022 |
| Lulu Lake (Kenora) | Sept 30, 2022 | October 11, 2022 | TBD | TBD |
| Longbow Lake - East Inlet (near Kenora) | Sept 21, 2022 | Oct 4, 2022 | TBD | TBD |
| Cedar Lake (near Kenora) | Sept 21, 2022 | Sept 23, 2022 | Yes - Microcystins were present at concentrations below the Ontario Drinking Water Standard. Anatoxin-A was not detected in the sample. | Oct 4, 2022 |
| Rainy Lake (Rice Bay) | Aug 23, 2022 | Aug 29, 2022 | Yes - Microcystins were present at concentrations above the Ontario Drinking Water and Recreational Water Standard | Aug 29, 2022 |
| Wabigoon Lake (Larson Bay) | N/A - No samples will be taken due to confirmed presence of blue-green algae in Wabigoon Lake | N/A - Suspect bloom reported Aug 14, 2022 | N/A | N/A |
| Wabigoon Lake (Bonny Bay) | Aug 5, 2022 | Aug 12, 2022 | Yes - Microcystins were present at concentrations above the Ontario Drinking Water Standard. | Aug 12, 2022 |
| Ghost Lake (Dryden area) | Aug 3, 2022 | Not considered an algae bloom | No | Aug 12, 2022 |
| Kirk Lake (Sioux Lookout) | July 22, 2022 | Not considered an algae bloom | N/A | N/A |
| Minnitaki Lake (Sioux Lookout) | July 15, 2022 | July 22, 2022 | No | July 22, 2022 |
| Wabigoon Lake (Dryden) | July 18, 2022 | Not considered an algae bloom | N/A | N/A |
| Abram Lake (Sioux Lookout) | July 18, 2022 | Not considered an algae bloom | N/A | N/A |
| Pelican Lake | July 15, 2022 | Not considered an Algae Bloom | N/A | N/A |
| Muriel Lake | Oct 4, 2021 | Oct 21, 2021 | Microcystins were present at concentrations below the Ontario Drinking Water Standard. Anatoxin-A was not detected in the sample. | Oct 21, 2021 |
| Winnipeg River (Tressor Point and Andy's Camp Road) | N/A - No samples will be taken due to confirmed presence of blue-green algae in Lake of the Woods | N/A -Suspect blooms reported Sept 30 and Oct 3/21 | N/A | N/A |
| Lake of the Woods - Multiple locations both along the shore and in open water | N/A - No samples will be taken due to confirmed presence of blue-green algae in other area of the lake | N/A - Suspect blooms reported on Sept. 30/21 | N/A | N/A |
| Lost Lake (West of the Boat Bay boat launch on south shore) | N/A – No samples were collected at this location | N/A - Suspect Bloom reported to Spills Action Centre on Sep 26/21 and another reported Oct 1/21 | N/A | N/A |
| Lulu Lake | Sep 28/21 | Oct 22/21 | The concentration of microcystin and anatoxin A were both below the method detection limit at the time of sampling. | Oct 22/21 |
| Abram Lake (North of Frog Rapids) | Sep 21/21 | Oct 21/21 | The concentration of microcystin and anatoxin A were both below the method detection limit at the time of sampling. | Oct 21/21 |
| Wabigoon Lake (Bonny Bay Rd area) | N/A – No samples will be taken due to confirmed presence of blue-green-algae in other area of the north shore of the lake. | N/A - Suspect Bloom reported to Spills Action Centre on Sept 26, 2021 | N/A | N/A |
| Lake of the Woods (Anicinabe Park) | Aug 31/21 | Sep 23/21 | Microcystins detected above the Ontario Drinking Water Standard limit. Anatoxin A was not detected in the sample. | Sep 23/21 |
| Spruce Lake | Sep 9/21 | Oct 12/21 | Microcystins were present at concentrations below the Ontario Drinking Water Standard. Anatoxin-A was not detected in the sample. | Sep 29/21 |
| Wabigoon Lake (Larson Bay area) | Aug 30/21 | Sep 7/21 | Microcystins were present at concentrations below the Ontario Drinking Water Standard. Anatoxin-A was not detected in the sample. | Sep 27/21 |
| Wabigoon Lake (Maple Rd area) | Aug 20/21 | Sep 10/21 | Microcystins were present at concentrations below the Ontario Drinking Water Standard. Anatoxin-A was not detected in the sample. | Oct 4/21 |
| Thunder Lake (Saindon Rd / North Shore Rd) | N/A - Suspect bloom only, received June 28, 2021. Testing was not completed. | N/A | N/A | N/A |
| Caliper Lake Provincial Park | July 9/21 | July 20/21 | Concentration of Dolichospermum and Microcystis were below the Ontario Drinking Water Standard. The concencration of Anatoxin-A detected could have potential risk to human health at the time the sample was collected (as per Minnesota Department of Health). | July 20/21 |
| Storm Bay, Lake of the Woods | July 5/21 | July 12/21 | Concentration of microcystins and Anatoxin-A were below the Ontario Drinking Water Standard | July 12/21 |
| Winnipeg River Tressor Point Rd | July 5/21 | July 13/21 - Not identified as a bloom | Low concentration of microcystins were below the Ontario Drinking Water Standard. | July 14/21 |
| Winnipeg River Villenueve Rd | Oct 7/20 | Oct 13/20 | Concentration of microcystins were at or below the Ontario Drinking Water guideline | Oct 19/20 |
| Sandy Lake - Loc 2 - SW | Sep 30/20 | Oct 5/20 | Concentration of microcystins were at or below the Ontario Drinking Water guideline | Oct 13/20 |
| Sandy Lake - Loc 1 - NE | Sep 29/20 | TBD | TBD | TBD |
| Tunnel Island - Safety Bay | Sep 29/20 | Oct 5/20 | Concentration of microcystins were at or below the Ontario Drinking Water guideline | Oct 13/20 |
| Lake of Bays (Big Grassy River FN) | Sep 22/20 | Sep 30/20 | Concentration of microcystines were at or below the Ontario Drinking Water guideline | Oct 14/20 |
| Nickel Lake | Sep 19/20 | Oct 5/20 | Concentration of microcystins were at or below the Ontario Drinking Water guideline | Oct 5/20 |
| Lulu Lake | Sep 11/20 | Sep 18/20 | Concentration of microcystins were at or below the Ontario Drinking Water Guildeline | Sep 24/20 |
| Granite Lake | Sep 1/20 | Sep 14/20 | No Toxins Detected | Sep 15/20 |
| Jackfish Lake | Aug 31/20 | TBD | TBD | TBD |
| Wabigoon Lake | Aug 21/20 | Aug 27/20 | Concentration of microcystins were at or below the Ontario Drinking Water Guideline | Sep 1/20 |
| Wabigoon Lake | Aug 19/20 | Aug 27/20 | Concentration of microcystins were at or below the Ontario Drinking Water Guideline | Aug 31/20 |
| Granite Lake | Jul 25/20 | Jul 29/20 | No Toxins Detected | Aug 17/20 |
| Pickle Lake | Jul 8/20 | Jul 13/20 | No Toxins Detected | Jul 28/20 |
| Thunder Lake | Jul 6/20 | Jul 10/20 | Concentration of microcystins were at or below the Ontario Drinking Water Guideline | Jul 28/20 |
| Laurenson Lake | Jul 6/20 | Jul 16/20 | No Toxins Detected | Jul 28/20 |