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Public Meeting on Jefferson County Groundwater Quality Study

The Jefferson County Land and Water Conservation Department, in collaboration with the Health Department and Planning and Zoning Department, worked with the University of Wisconsin Stevens Point on a groundwater study for Jefferson County. The study involved collecting data on a variety of important well water concerns in order to better understand the quality of the groundwater throughout the County. A public educational session to explain the study and the results will be held on November 6, 2023 from 6:00 pm to 7:30 pm at the University of Wisconsin Extension (864 Collins Road, Jefferson). A Zoom option is also available (, Meeting ID: 860 3056 5799, Passcode: 256932, dial by your location: 312-626-6799).

Specific wells were chosen to represent the variety of Jefferson County soils, geology, land use, and other factors that can influence water quality. The well water samples were analyzed for the following constituents: nitrate-nitrogen, chloride, pH, hardness, conductivity, alkalinity, arsenic, lead, copper, calcium, magnesium, sodium, potassium, sulfate, phosphorus, zinc, iron, and manganese. Some tests are important to health, while others measure things likely in the water that form scale or might cause taste, color, or odor issues.

The public session will include introductory remarks by Patricia Cicero, Director of the Jefferson County Land and Water Conservation Department. The findings of the study will be presented by Kevin Masarik, a Groundwater Education Specialist with the Center for Watershed Science and Education at UW-Stevens Point. Kevin will explain the County-wide results, provide information on managing private wells, identify solutions for wells with health-related concerns, and talk about next steps with the groundwater study. After the presentation, those in attendance will have time to ask questions.

For more information on this project, please contact Patricia Cicero, Director of the Jefferson County Land and Water Conservation Department, at 920-674-7121 or

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