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Some algae known as cyanobacteria can produce toxins that are harmful to people and animals. These are known as harmful algal blooms (HAB). Learn what to do when you suspect a HAB.
Ice retardant systems can impact winter recreation and cause safety concerns on the Lake. Learn more about techniques for proper operation.
One pound of phosphorus can support over 1,100 pounds of algae. Learn how to protect Lake Hopatcong by using phosphorus free products and properly maintaining your septic system.