Groundwater
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Nitrate in groundwater
What does groundwater quality in Wisconsin look like? Beginning in 2014, the department has required nitrate sampling on new wells and when pump work is done on existing wells. The map below is from the 80,162 samples collected over the first four…
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Groundwater Management Programs
State agencies and the Universities of Wisconsin address numerous issues related to groundwater protection and management. Here are highlights and detailed discussions of the groundwater management activities of each agency, the UW, the GCC and the…
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Report to the Legislature
The Groundwater Coordinating Council prepares an annual report each year that summarizes the operations and activities of the council, describes the state of the groundwater resource and its management and makes recommendations. The report is due…
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Answers to your questions about groundwater
Approximately two-thirds of the people in Wisconsin obtain their drinking water from groundwater. If your water comes from a well, public or private, you’re one of these people! Groundwater is also essential for Wisconsin’s farm and business…
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Current groundwater standards
Current public health and public welfare groundwater standards are contained in Ch. NR 140, Wis. Adm. Code.