Judge David Norton (Bush 1; 1990) has ruled that the EPA did not follow proper procedure when trying to rollback Obama-era rules regarding clean water. Essentially, the EPA wanted to redefine "Waters of the United States," but did not go through the proper public comment period required by law. This does not prevent the EPA from changing the rule, but they will likely have to go back and start over.
https://abcnews.go.com/Politics/fed...an-water-rule-delayed-trump/story?id=57222558
https://abcnews.go.com/Politics/fed...an-water-rule-delayed-trump/story?id=57222558