USGS Presents 2018 State of the Lake

On February 13, 2018, Dr. Dale Robertson of the U.S. Geological Survey (USGS), presented the USGS’s annual “State of Big Green Lake” to the GLSD Board of Commissioners at the regular board meeting of the GLSD. A summary of the USGS’s key updates are provided below. USGS general conclusions for 2017: • On a positive note, over the past twenty years, the percentage of phosphorus coming into our lake via various forms (streams, runoff, etc) has decreased by 25% from 0.134 mg/L (1997-1998) to ...
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Big Green Lake Impairment Status

What is the Big Green Lake impairment? Big Green Lake was listed as impaired in 2014. The impairment is for unacceptable levels of Dissolved Oxygen at the lake’s Thermocline. The Thermocline is the area of the lake where the warm water meets the cold water, this is generally at a depth of 30 to 50 feet down from the water’s surface. The State of Wisconsin lists the primary cause of this impairment as too much phosphorus in our lake. Why is the Big Green Lake Impairment Important? Some peopl...
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Camp Grow Conservancy Property Purchase Update

There has been a tremendous outpouring of support over the last ten months involving our Green Lake Community’s efforts to see Camp Grow get purchased and put into “permanent conservancy status”—assuring the protection of this property forever. Our Green Lake Conservancy Partnership has been working very hard since last summer to complete all of the work and fundraising to purchase Camp Grow and all of our efforts are going well with a targeted closing date of June 2018. A more detailed chronolo...
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Conservancy Properties Undergoing Big Changes

Spring Burning Thanks in part to a great turn out by volunteers, the GLSD has been able to complete prescribed burns on several Conservancy properties. Spring burning of these natural areas is critical to promoting native vegetation while helping to limit and sometimes kill new buckthorn growth. It is a low cost but very effective strategy in controlling buckthorn seedlings. Burns have been completed at Winnebago Trail Conservancy, Sunnyside Conservancy, Norwegian Bay Wetlands, and the Tuleta ...
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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 wast...
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