Property/Site Owners
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Public water system plan review
Chapter NR 108, Wis. Adm. Code, allows the DNR up to 90 days to approve, return or deny submitted plans for new construction or improvements relating to a public water system.Average Review Process TimeframesWater Mains: 55-65 daysAll other plan…
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Laboratory analysis slips
The following are the most current sample lab analysis slips which are used for compliance with Safe Drinking Water Act regulations. Systems are mailed sampling slips as part of the normal mailing schedule. If you did not receive a slip or need…
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Wisconsin's Capacity Development Program
The Capacity Development Program aims to help public water systems strengthen their ability to consistently supply safe drinking water to their customers. The program focuses on assisting system owners and operators, particularly small water systems…
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Instructions for creating and customizing a Consumer Confidence Report using DNR’s CCR generator
Consumer Confidence Reports (CCR) are required by the U.S. Environmental Protection Agency (EPA). The CCR must be prepared and distributed by all Community Water Systems in order to provide information concerning water quality for the previous…
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Mercury Ban
Wisconsin Act 44 was signed in October 2009 and regulates the sale, distribution and use of specific mercury and mercury-containing devices to Wisconsin citizens, businesses, institutions and others, including specific requirements for Wisconsin K-…
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What to do if you see a sick or dead deer
Please notify the DNR if you see a sick or dead deer or multiple dead deer in any one area. You do not need to report deer killed on or near a roadway for health reports, however, see the below section for options for deer that need to be removed…
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Citizen-Based Monitoring
Volunteers are an integral part of the Wisconsin Department of Natural Resources approach to monitoring hundreds of species and habitats in forests, grasslands, wetlands, lakes, rivers and streams throughout the state. This public involvement,…
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Wisconsin Wildlife Action Plan
The Wisconsin Wildlife Action Plan (WWAP) focuses on the conservation of rare and declining species and their habitats. First published in 2005, it was updated in 2015 and in 2025 to satisfy funding eligibility through the State Wildlife Grant…
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Reporting water use
Registered withdrawers are required to measure or estimate the volume of water they withdraw every month and report that information annually to the DNR. Withdrawals may be reported by the property owner or by an authorized lessee, agent or operator…