You should have it cleaned out every few years by a licensed company. If you think you have a problem, call a licensed septic system installer.

The Norwalk River Watershed Initiative offers a simple, non-technical brochure for homeowners called Septic Care & Maintenance for the Homeowner. It is available online at conservect.org/southwest.htm. Click on the septic care link and then click on the link for the downloadable format.