Use Our Open API
The latest information for lakes around the globe updated daily
Coordinates in, information out
1. Generate a unique API key
2. Find your lake coordinates
Search using your lake name or simply add the coordinates for your lake of interest. If your lake does not yet exist, add it first using the mobile app.
3. Get the latest lake data
Unique API key generated using our key generator. Valid for one week.
Please provide a valid api key.
Geographical coordinates in decimal degrees.
Please provide a valid coordinates.
Note: If your response is blank, your coordinates might be over the land or ocean. To get data for new lake not already listed, add it first using the mobile app.
The risk to human health from cyanobacteria.
The trophic status or level of nutrient enrichment.
Advisory for partial contact recreational use.
Advisory for full contact recreational use.
The area of the lake (in percent) covered by cyanobacteria.
The area of the lake (in percent) covered by cyanobacteria scum.
The area of the lake (in percent) covered by floating vegetation.
The median value of chlorophyll-a in µg/L.
The minimum value of chlorophyll-a in µg/L.
The maximum value of chlorophyll-a in µg/L.
The average value of chlorophyll-a in µg/L for pixels identified as cyanobacteria.
The average value of chlorophyll-a in µg/L for pixels not identified as cyanobacteria.
The cell count for cyanobacteria in cells/mL calculated from chlorophyll-a using 2000 cells per 1 µg/L chlorophyll-a.
The potential microcystin toxin production calculated from chlorophyll-a using 0.4 µg/L microcystin per 1 µg/L chlorophyll-a.
For a detailed description of the information, please see our frequently asked questions page.