Danger of letting dogs swim in Lakes
Blooms of blue-green algae can produce harmful toxins which stop a dog’s liver from functioning properly. However, not all types of blue-green algae are dangerous.
Sadly, exposure to toxic blue-green algae is often fatal, and can also cause long term health problems in dogs that survive after drinking or swimming in algae-contaminated water.
Read more information here. https://www.vets4pets.com/pet-health-advice/dog-advice/blue-green-algae-poisoning-in-pets/