An article by Laura Arenschield published on The Columbus Dispatch website details how the city of Celina, along with Toledo, continue to test local water sources such as Grand Lake St. Marys for algal toxins, even during the winter season.
The article explains that GLSM, which has recently seen summertime spikes in microcystins, also experiences a spike in winter months due to toxins released by dying blue-green algae.