A gut punch to Iowans. That’s the only way to describe the Biden Administration’s decision to roll back the previous administration’s Navigable Water Protection Rule. Sadly, for those of us who have been on the frontlines of this fight since 2015, this news is not a surprise.

Now let me be clear: everyone can agree that clean water should be a national priority. Iowans, and all Americans, want sensible safeguards that protect our environment and keep our nation’s water clean. But what they don’t want is a one-size-fits-all, Washington power grab that makes it harder for Iowans to...