Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.


Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Drinking Water: Information for Health Professionals

This page contains tools and resources on drinking water topics for public health professionals.

Private Well Toolkit (2023 Revision)

This toolkit includes fact sheets on common private well contaminants, printable posters, a treatment device guide, quick connect cards, updated webpages, and links to related partner resources.

Contaminant fact sheets and webpages

The contaminant fact sheets describes when private well users should test, how to interpret results, and actions to take. Each fact sheet also includes a resource guide with links to additional information. All fact sheets are available in English, Spanish, and Hmong.

The accompanying webpages include the information in the fact sheet along with additional information about the contaminant such as expanded background on the substances, other exposure routes, and actions to reduce exposure from these routes.

A well for drinking water.

Printable posters

These posters can be printed on a standard printer. They are available in English and Spanish.

Guides and Quick Connect Cards
Partner resources

We also have resources for public water users

A water tower.
  • Manganese in Public Water, P-45103b: This fact sheet describes what manganese is, when a water system would issue a do not drink notice, and what actions the public should take if a notice is issued. It is available in English, Spanish, and Hmong.
  • Lead in Drinking Water, P-02602: This fact sheet describes actions that people should take to reduce their exposure to lead in drinking water. It is available in English, Spanish, and Hmong.
  • Reducing PFAS in Your Drinking Water (P-03012): This guide describes the technologies that are available for removing PFAS from drinking water, factors to consider before installing a treatment device, treatment device comparison table, and treatment device recommendations.
  • Boil Water Notice Fact Sheet, P-44589 (PDF) - This fact sheet describes actions that people should take if a water system issues a boil water notice.

Related topics

Our groundwater standards page has information on how we set standards to the source of drinking water for two-thirds of Wisconsinites.

DNR's well compensation grant program page has information about grants to address contamination in private for eligible landowners, renters and business owners.

DNR's Drinking Water System Portal has contact information and test results for the public water systems in Wisconsin.

DNR's annual drinking water quality reports has links to the most reports summarizing the status of water quality from public systems in the state.

Questions? Can't find what you're looking for? Contact us!

Last revised February 9, 2024