What the EPA’s new wetlands proposal could mean for Louisiana

Federal wetlands protections could shrink significantly under new rules proposed this week by the Environmental Protection Agency—changes with major implications for Louisiana’s inland swamps, development patterns and long-term flood risk, Louisiana Illuminator writes. 

The draft regulations redefine which wetlands qualify as “Waters of the United States” under the Clean Water Act, limiting federal oversight to areas that physically touch permanent lakes, rivers or streams and show visible surface water part of the year. Analysts say that could remove protections from roughly 59% of Louisiana’s noncoastal wetlands, opening the door to pollution and construction in areas that have long served as critical buffers for flooding, water quality and ecosystem health.

Environmental groups warn the proposal—shaped by the Supreme Court’s 2023 Sackett decision—adds confusion and leaves no replacement safeguards. Louisiana’s own deregulatory laws could compound the effects, potentially stripping even more wetlands of protection as future levees or berms are built.

Public comments open Thursday.

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