We bought our home this summer and had the septic drained, "just in case" and we were glad we did! They said it was full! It was pumped just one month ago and then today I started having problems with the drains. I was doing laundry and I noticed while doing dishes the water was not going down the sink. I started looking around to investigate and found that water had backed up into the tub and was also coming back up the sink. Apparently earlier in the day when I took my shower, it caused a real problem because there was water from the pipes all over the floor.