Water Quality

WGF analyses concerning water quality standards, methods of evaluating water quality, and regulation to protect water quality in Wisconsin’s lakes, rivers, and streams. Also see the Agriculture category for analyses of nonpoint sources of pollutants. This work is developed by WGF’s Water Resources and Environmental Rules Work Group.

WGF Attends Informational Session on Neonics at WI Capitol

Yellow-banded bumblebee (Bombus terricola), a Wisconsin species of special concern, Wood County, 2025, photo by Carolyn Pralle

Capitol and downtown Madison, Image via Pixabay

WGF Attends Informational Session on Neonics at WI Capitol

by Paul Heinen, WGF Policy Director

About the Session and Neonics

Wisconsin’s Green Fire (WGF) attended an information session on September 8, 2025 at the Wisconsin Capitol on neonicotinoids, a class of chemicals commonly called “neonics.” The session was held by …

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Opportunity for Action – Federal PFAS amendments

Photo: Aqueous film forming foam (AFFF) containing PFAS at use in a fire at a city of Madison electric substation in July, 2019.

Opportunity for Action – Federal PFAS amendments

Wisconsin’s Green Fire is part of a statewide coalition of groups working on PFAS (the per- and polyfluoroalkyl substances also known as “forever chemicals”) in Wisconsin drinking water, soils, and people. PFAS can cause serious environmental and human health problems.

We encourage you to consider taking action with us on …

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WGF Joins Nitrate Watch Program

 

WGF is now a partner of the Izaak Walton League’s Nitrate Watch program!

This people-powered community science program allows anyone to help gather data about nitrate in Wisconsin’s waters. Nitrate is the most common chemical contaminant creating health risks in Wisconsin’s private wells. Nitrate also harms the water quality and ecological health of our …

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Governor Invites WGF to Statewide Water Events

Jim Baumann, Gov. Evers, and Paul Heinen at tour of Municipal Well 15, Madison WI

by Paul Heinen, WGF Policy Director

WGF joins Gov. Evers on Two Tours of Water Treatment Facilities

During the week of July 14, 2025, Governor Evers travelled around the state to talk with local officials about clean water infrastructure. Gov. Evers invited Wisconsin’s Green Fire to attend two of these meetings. Clean water funding is an important …

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Company explores for copper and gold in national forest in northern Wisconsin

GLIFWC staff tour the Bend deposit drilling sites, metal mats on forest floor

Kidrick Swamp, Wisconsin State Natural Area #464, Chequamegon-Nicolet National Forest, Taylor County, photo from Joshua Mayer via Flickr. This SNA is located in an area of the national forest northwest from the Bend deposit and drilling sites, and illustrates some of the forest and wetlands in the area.

Company explores for copper and gold …

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PFAS Summit in Wausau

Group photo from PFAS Summit in Wausau, June 5, 2025

PFAS Summit in Wausau

Group photo from PFAS Summit in Wausau, June 5, 2025

On June 4-5, 2025, Wisconsin’s Green Fire participated in the first in-person summit of the statewide PFAS coalition. As you may know, PFAS stands for per- and polyfluoroalkyl substances. These “forever chemicals” are common in many household and industrial products but …

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Enbridge Line 5 Pipeline Updates – March 2025

pipeline infrastructure among grass and trees under cloudy skies

Enbridge Line 5 Updates: Bad River Band of Lake Superior Chippewa Indians Denies Water Quality Certification for Enbridge Line 5 Oil Pipeline Re-route
Will Trump Administration Energy Emergency Executive Order Affect Line 5?

Prepared by Nancy Larson, WGF Water Resources Specialist

Inter-Related Regulatory Decisions

Existing pipeline on east end of the Bad River Reservation, 2022, photo …

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Coalition on Wake Boats and Lakes Grows to 60+ Groups

Ice forming on Lake Mildred with rocky shoreline, evergreen trees, and blue skies.

The coalition to protect Wisconsin lakes from the effects of wake boats has grown to over 60 groups.

The strength of the coalition comes from the shared commitment to sound, science-based policy. The coalition will be active in the new Legislative Session starting this month, January 2025.

We are proud and grateful for the role of Wisconsin’s …

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Updates on Enbridge Line 5 Pipeline – December 2024

Enbridge received permits from Wisconsin Department of Natural Resources for oil pipeline Line 5 Reroute to cross streams and wetlands in northern Wisconsin.
Meanwhile, crude oil spilled from Line 6 in southern Wisconsin.

Enbridge Line 5 Segment Relocation Map, 2020

Prepared by Nancy Larson, WGF Water Resources Specialist

Wisconsin’s Green Fire (WGF) has followed and commented …

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