The answer would be to buy an old beat up trailer or motor home with hot running water and distribute the food from there.
Did you ever watch Rachel Ray on the Food channel?
Everytime she goes to the sink to wash up you can hear the sound of a pulse pump in the background; what is decorated as a country kitchen is actually a studio set and isn't plumbed for true running water.
The health department could easily reqiuire full system hookup if they chose and move you back to square one.