Reference
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Municipal drinking water system sanitary survey
A sanitary survey is an inspection of a water system's facilities, operations and records to ensure the delivery of safe and reliable drinking water. In Wisconsin, the DNR conducts routine sanitary surveys of municipal drinking water systems every…
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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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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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Manure and drinking water
Livestock manure may infiltrate drinking water wells from field application, spills and weather events. Manure may contain fecal bacteria, viruses and nitrates that can cause acute illness, especially in sensitive populations such as infants, women…
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Drinking water and lead
Lead is a common metal. Although originally used in many consumer products, lead is now known to be harmful to human health if ingested or inhaled. It can be found in lead-based paint, air, soil, household dust, food, some types of pottery and…
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Municipal water system disinfection
The vast majority of Wisconsin’s municipal water systems currently disinfect the water they deliver to consumers, killing viruses and bacteria that can unexpectedly occur. Learn if your municipal water system disinfects its water Here's how you…
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Risk & Resilience Assessments and Emergency Response Plans (AWIA Section 2013)
Section 2013 of AWIA requires community water systems that serve a population of 3,300 or more to conduct a risk and resilience assessment and develop an emergency response plan that must be updated and certified every five years.These requirements…
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Drinking Water and Groundwater Study Group
The Drinking Water and Groundwater Study Group is a stakeholder working group formed in 2017 by DNR's Drinking Water and Groundwater (DG) program. The group serves as a forum for the program to receive input from and provide information to…
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Wisconsin’s Source Water Assessment Program
As a result of the 1996 Amendments to the Safe Drinking Water Act, all states were required to complete source water assessments for all public water systems. DNR produced these assessments during the period between 1999 and 2003. These original…