Environmental Protection
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Vapor Intrusion Prevention & Partnership Toolkit
Former Dry Cleaners - The Hidden Risk In the 1900s, dry cleaning (waterless cleaning of garments utilizing a chemical solvent) was a common business.
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Wastewater Plan Review
If you are planning to apply for a CWFP loan for State Fiscal Year 2026, and you have not already done so, please submit your facility plan as early as possible to ensure that the DNR is able to review and approve the facility plan prior to the CWFP…
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Groundwater Quiz
Test your knowledge and have some fun. The answers are at the bottom of the page.
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Sewer Service Area Planning
Sewer Service Area Planning is a process designed to anticipate a community's future needs for wastewater treatment. This planning helps protect communities from adverse water quality impacts through development of cost-effective and environmentally…
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Remediation & Redevelopment Program Public Notices
Remediation & Redevelopment (RR) Program public notices and public comment opportunities are listed below.External advisory group meeting information can be found on each group’s webpage and on the DNR Hearings and Meetings Calendar.Find…
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Public Input, Meetings & Rulemaking Efforts
PFAS In Wisconsin Webinar at 2 p.m. On April 19 Join the Wisconsin Department of Natural Resources (DNR) and the Department of Health Services (DHS) for the PFAS in Wisconsin Webinar at 2 p.m. on Monday, April 19,…
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PFAS Investigation and Cleanup
Per- and polyfluoroalkyl substances (PFAS) may enter the environment and result in contamination to groundwater, surface water, soil and/or sediment. In general, a person responsible for a discharge is required to report, investigate and cleanup the…
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Environmental and Health Impacts of PFAS
Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a large group of human-made chemicals that have been used in industry and consumer products worldwide since the 1950s.PFAS do not occur naturally, and some are widespread in the environment.…
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Wisconsin Lakes Partnership
Since its genesis in the early 1970s, the Wisconsin Lakes Partnership has been recognized as a national model of collaboration. Three groups form the core of this team: the DNR supplies the technical expertise and regulatory authority; the UW-…
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Wisconsin Lakes FAQ
Frequently asked questions about lakes are answered on this page.Water Levels and DroughtDoes drought make blue-green algae worse?