Finding the source of a fuel leak in the valley can sometimes be pretty tough. I would clean up the valley the best you can and then go for a short 10-15 minute drive and then see if you can spot where the leak is coming from. If not, tie a dry rag around the fuel pump and go for another short drive. If the rag is wet, then the fuel pump weep hole is leaking and it is time for a new pump. If not, then most likely it has something to do with the fuel filter canister. It might be easier to remove the housing and inspect it really good around all the sensors. Personally have not heard of the hoses leaking but not to say that isn't your problem.