You do have a moderate to high risk of pregnancy.
Yes, you can indeed still get emergency contraception. You can get it at Planned Parenthood - you'll just need to explain your situation to them and tell them that you would like it.
You can also find other places to get emergency contraception.
These links may be helpful to you:
Emergency Contraception http://ec.princeton.edu/
"Maypole/The ties that bind you will unwind/To free me one day/And everything decays..." - XTC, "The Wheel and the Maypole"