He is not being charged with a felony. If anything his fleeing the scene might of saved his ass because there is no way to prove he was intoxicated now. He is only being charged with 2 misdemeanors. It's been months, if they had anything else on him they would be filing the charges they got nothing. This is not some new event that just happened that hasn't been investigated for months already, they have nothing. He is still going to go in the first round, probably still high and the NFL doesn't give a crap.
We also know there was a lot more UGA players there than just Carter but like I said it's been nearly 2 months, they have nothing to charge anyone with a serious crime here. The university on the other hand is going to get litigated out their ass since a staffer and university owned vehicle where involved.