The Lake Hopatcong Foundation has a strong focus on maintaining and improving the lake environment as the health of the lake affects all facets of the Lake Hopatcong experience. Programs center around improving water quality and invasive aquatic species prevention.  

Native Plant Sale

Our annual native plant sale takes place each spring, providing New Jersey native plants for gardening that’s good for the environment!

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Lake-Friendly Living Guide

Lake-friendly living isn’t just for those who live on the shores of Lake Hopatcong. Stormwater flows into the lake from the hillsides all around it, carrying soil, nutrients,…

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Community Cleanups

From roadside to lake-wide cleanups, the Lake Hopatcong Foundation regularly holds events that help remove debris and trash from the lake and its watershed.

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Floating Wetland Islands

Several floating wetland islands have been installed in Ashley Cove in Jefferson Township. The plants on these islands pull phosphorus out of the water, thereby reducing the nutrients…

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group of kayakers smiling for a picture as they float down Lake Hopatcong

Water Scouts

The Lake Hopatcong Water Scouts program is designed to educate people about the threat posed to the lake by the presence of invasive plants, water chestnut in particular, as well…

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close up of water quality test sample

Water Quality Monitoring

Regular water quality monitoring is essential to assess the overall health of Lake Hopatcong on an ongoing basis. Monitoring provides information to identify long-term trends or…

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a vegetative buffer along the shoreline of a lake

Shoreline Buffers

Native shoreline buffers are a simple step to enhancing property values while helping to improve water quality and safeguarding the health of New Jersey’s largest lake.

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