Looking for a gut check. We knew we likely had a clogged or leaky main sewage line, which runs under our deck. Crew tore up the deck and started trenching on the end closest to the house. Its PVC to cast iron, junction maybe 3 feet down. When they left yesterday it was clear there was a leak somewhere around that junction, as there was already some pooling. Woke up this AM to maybe a foot of liquid in that hole (and it didn't rain). So pretty clearly we have a leak in that spot (if not also further down). Here is the question: Now that the likely problem spot is exposed, is it a big job to fix it? Seems like it shouldn't be, but I'm not a plumber obviously. And until it is, not really clear we can use our plumbing. Thanks all!