The Trump administration announced in December 2018 its proposed replacement rule defining “waters of the United States.” Under the proposed rule, the number of wetlands that fall outside of federal jurisdiction is expected to increase.

Phillip Bower and Megan McLean weigh in on what this means for state regulation of non-federal wetlands in the recent

Since 2001, Wisconsin law has required a permit to discharge fill into wetlands that do not fall under federal jurisdiction (“nonfederal wetlands”). Of the approximately five million acres of wetlands in Wisconsin, an estimated 10 to 30 percent are nonfederal wetlands.

State lawmakers held hearings on December 21 on proposed legislation, AB547/SB600, which would exempt