The tricky thing about environmental regulations is that they are crafted and utilized by NIMBYs to block any infrastructure development. Even if, on balance, the infrastructure is a net positive. It's not clear if these violations actually represent a real environmental hazard or are more reflective of NIMBY degrowth sentiment.
Here’s an article that has some details on some of the violations [1]. The sound like things that the state legitimately should be regulating and that this would have minimal impact on growth.
[1] https://www.propublica.org/article/elon-musk-boring-company-...