The Lake Observer application is a tool that empowers citizen scientists to more easily record measurements and observations while working in the field. Lake Observer was designed by members of the Global Lake Ecological Observatory Network (GLEON) as part of a crowdsourcing platform to facilitate the collection and sharing of lake- and water-related information across the globe.
Record measurements and observations while working in the field.
Updated on
Aug 25, 2026
Tools
Data safety
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
Created a single screen project submission page. If submitting data as part of a project, and if that project has designated fields as 'important,' then all of those fields, and only those fields, will appear on a single submission screen.