Blue-green algae has been found in several Nova Scotia including in Dartmouth and Halifax.
Oathill Lake in Dartmouth as well as Armstrong Lake in Kings County, Lake Torment in Kings County and Covey Lake in Lunenburg County, Alyesford Lake in Kings County, Shubenacadie Grand Lake in Halifax, and Wrights Lake in Halifax.
The province says the algae is toxic so don’t touch it or swim or play in it.
They say it usually forms after a period of hot dry weather is followed by heavy rainfall and are becoming more common due to climate change.
Blue Green Algae alert: Oathill Lake, Dartmouth – photos attached. If you or your dog use this beautiful lake go here to learn more about this naturally-occurring substance & how to avoid it so you can enjoy our lakes safely during BGA season: https://t.co/skMTBNiPQr #NSBGA pic.twitter.com/yXgtg2oHUV
— NS Environment and Climate Change (@ns_environment) June 16, 2023