Here is data from the Wisconsin DNR Surface Water Integrated Monitoring System (SWIMS) for Alma Lake.
Alma Lake Secchi Disc readings for 1986-2013
Alma Lake Trophic State Index for 1986-2013
If you need help with the definitions of some of the terms in the above documents, this list may help.
Click here for a Wisconsin DNR map of Alma Lake.
Note: These documents are in a PDF (Portable Document Format) format. You must have a PDF reader or viewer to view and print the file. Adobe’s “Acrobat Reader” is such a program and is available for free by clicking on the “Get Acrobat Reader” Icon.