In this recent series on troubleshooting septic systems, the focus was inside the house: looking at water-use habits of the residents, evaluating water-using devices in the house, and making sure there was not extraneous water coming in from around the house foundation. Now it is time to look at issues outside the house starting with the house sewer pipe and septic tank.
The house sewer line to the septic tank should be laid on a minimum slope of 1 inch per 8 feet of length. The pipe should be properly bedded with a coarse sand or gravel media. This
