I just moved in to a new house which has a septic system. In less than two months, the drain field had to be replaced. I noticed that there is sewage smell under the sink that is closest to the septic tank. I noticed that there is a vent device under the sink but it does not appear that there is a vent pipe going out to the roof.
Do anyone of you know if in Florida is it required to have a drain vent or can they just install those single vents under the sink?