About GLSD
The Green Lake Sanitary District, which is located in Green Lake County, Wisconsin, was established in 1964 and includes all of the existing areas around the lake (excluding the City of Green Lake). The District was formed as a means to protect Big Green Lake and its associated resources with respect to sanitation and related land, air and water quality matters. In addition to coordinating solid waste collection in parts of different Townships, the District also oversees the treatment of wastewater from just over 1,400 homes. Of the District’s 2,200+ total tax parcels, there are approximately 800 vacant lots in addition to the 1,400 lots with homes. Of the 1,400 homes, just under 1,000 are served by sewer and the remaining 400 are served by private on-site wastewater treatment systems (septic and holding tank systems). Also included...
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New AIS Tool Boards
The new AIS tool boards were installed by the county and townships at boat launches around the lake. This was a GLSD and Partner supported project to help keep new aquatic invasive species out of the lake. A big thank you to Anna Cisar, our AIS specialist wit...

GLSD’s COVID-19 Preparedness Plans
The GLSD continues to monitor the situation with the spread of COVID-19. We have preparedness plans in place to ensure that our sewer collection system stays operational in the face of any limited staffing due to illness. We cannot stress enough –...

Beach Sampling
As in the past, the GLSD weekly beach sampling around the lake ran between Memorial Day and Labor Day. We sample at each public beach as well as several boat launches to determine the E. coli levels at these locations each week. E. coli is a bacterium commonl...