On this page are links to a number of reports and newsletters that provide additional background information about Spring Lake and various management activities.
Click here for a 2019 published article from GVSU entitled The inﬂuence of nutrients limitation on phytoplankton growth and microcystins production in Spring Lake, USA.
Click here for a 2018 report from GVSU that assessed phosphorus and nitrogen inputs from the Spring Lake watershed, along with microcystin levels in the lake.
Click here for a 2017 report from GVSU that provides an update on the Spring Lake alum treatment.
Click here for the final alum treatment report from Grand Valley State University.