Drinking Water
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America's Water Infrastructure Act
On October 23, 2018, America's Water Infrastructure Act (AWIA) was signed into law and is an amendment to the Safe Drinking Water Act (SDWA). As stated by U.S. EPA, AWIA "improves drinking water and water quality, deepens infrastructure investments…
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Management actions
Source water and wellhead protection A sound plan has a to-do list that identifies a list of priority measures. The plan can be updated as actions are completed. Adopting a wellhead protection ordinance is the most fundamental protective action,…
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Groundwater System Source Water Protection Areas
Source Water Protection areas for public water supply systems using groundwater have been identified and delineated by methods that vary depending on system type. Groundwater Protection Areas exist for all public wells (Community and Non-Community)…
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Pandemic influenza - a guide for water plant owners and operators
What is pandemic influenza? A pandemic is a global disease outbreak. A flu pandemic occurs when a new influenza virus emerges for which people have little or no immunity and for which there is no vaccine. The disease spreads easily person-to-person…
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Drinking water security and emergency preparedness
Drinking water security and emergency response have long been essential in managing drinking water systems and they are high priorities for the DNR. The events of September 11, 2001 and natural disasters such as the Hurricanes of 2005 have…
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Drinking Water, Groundwater and Wells Publications
Publications listed by titleAnnual safe drinking water report (DG-045) [PDF]Answers to your questions about well filling and sealing (DG-016) [PDF]Arsenic in drinking water (DG-062) [PDF]
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Public notification rule
Public notification is an important part of the Safe Drinking Water Act (SDWA). The U.S. Environmental Protection Agency (EPA) made significant changes to the Public Notification Rule, which were added to Wisconsin Administrative Code, Ch. NR 809,…
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Information for public water system owners and operators
“Public Water System” means a system for the provision to the public of piped water for human consumption, if such a system has at least 15 service connections or regularly serves an average of at least 25 individuals daily at least 60 days out of…
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NR 809 safe drinking water standards update
The state's safe drinking water code ch. NR 809 Wis. Adm. Code will be revised to include federal PFAS maximum contaminant levels (MCLs), technical edits and updates to lead and copper. As information about these rule updates becomes available, it…