Lake Stewards of Maine (LSM) works to protect Maine lakes and to promote lake stewardship through widespread citizen participation in the gathering and dissemination of credible scientific information pertaining to lake health.
Learn about the imminent threats to Maine lakes. Development of lake watersheds is near the top of the list, and perhaps the most pervasive.
Learn how volunteers help control the widespread destructive consequences of non-native invasive aquatic plant and animal species.
Learn how to identify, monitor, and mitigate polluted stormwater runoff and other ways in which watershed land use influences lake water quality.
Maine Lake Data
Learn more about your lake and other lakes in Maine. Find information on water quality, aquatic species, invasives, and amenities.