Regulations
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Forms
Note: Some web browsers do not open PDF files on their own. If you experience trouble opening or filling out a PDF form, visit the DNR PDF help for instructions on how to successfully open PDF forms.
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Exams
Wisconsin DNR’s Operator Certification program will be hosting in-person paper exams coordinated and facilitated by Wisconsin DNR staff in 2025.Exams will be held approximately four times a month for four months of the year. All 2025 exam dates and…
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NR 812 rule changes
The rule change to provide for the use of Type IL cement in the grouting and sealing of wells was approved by the Wisconsin Natural Resources Board on May 17, 2023, and became effective on Nov. 1, 2023.
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Information for private well owners
Private wells are wells that are not part of a public water supply. Private wells have fewer than 15 connections and serve fewer than 25 people. They are usually wells that serve a single home or farmhouse. Unlike public water systems, protection…
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Information for drillers and pump installers
This page contains information and resources for well drillers, heat exchange drillers and pump installers. NewsBitsArchives of NewsBits - an electronic newsletter for Wisconsin drillers and installers.Well driller viewer
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Tools for Adaptive Management and Water Quality Trading
Subscribe to phosphorus rule updatesThe following resources may assist you in developing adaptive management and water quality trading plans.
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Statewide Phosphorus Multi-Discharger Variance
Eligibility County resources Implementation -->The multi-discharger variance (MDV) for phosphorus extends the timeline for complying with low-level phosphorus limits.
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Wisconsin's Phosphorus Rule
Overview Phosphorus has long been recognized as the controlling factor in plant and algae growth in Wisconsin lakes and streams. Small increases in phosphorus can fuel substantial increases in aquatic plant and algae growth, which in turn can…
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Wisconsin's Water Quality Trading
Project Maps Find adaptive management and water quality trading projects around the state. Overview Overview USGS Gage Station-->
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Wastewater State Statutes and Codes
The following list highlights the Wisconsin state statutes and administrative codes most applicable to the wastewater program. All state statutes and administrative codes can be found online in the Wisconsin State Legislature document registry [exit…