The preemption clause in paragraph three is doing a lot of work here and I don't think most people are going to notice it. "Notwithstanding any provisions to the contrary in existing consent decrees" — that's not a technical clarification. That's the federal government voiding agreements that municipalities spent years negotiating with the EPA under the previous administration.
Whether that's good or bad depends entirely on how you feel about those original agreements, but let's at least be honest about what's happening.