radiant coolant flowing from??, need help Options

[chacha]

i have a leak somewhere. I have tried the dyed chemicals to try and trace it, but couldn't find it. There is radiant coolant coming from the passenger side of the engine, and a puddle if parked after driving....the radiator is completely empty and i would always have to fill it back up, but gone as soon as i park it. Is it the water pump that is bad? the tubes don't seem to have a leak, hence the leak coming from the engine side.