Spaniel on a leash sitting on a woodland trail, for a Livermore guide to toxic algae and dogs
Pet Health & Safety

Toxic Algae in Warm Water: A Livermore Guide for Dog Owners

Warm, still water in September and October can grow blue-green algae that make toxins deadly to dogs. A dog only needs to swim, drink or lick its coat afterward to be exposed, and some toxins act within minutes. If the w