Setting off Fireworks at home?

We do it every year.. We spray the area of grass around where we light the fireworks off. And we never seem to have a problem with it. This year we are planning to do the same but there is a burn ban on. We are having people over for. A BBQ today and then were gonna light them off.... But my dad is kinda scared cuz we don't wanna catch anything on fire. Any suggestions?