I’ve heard some people say septic tanks need to be pumped only every 10 or 12 years. What do you think of that idea? Our septic code says every three years. I have heard the same thing and I have some comments. I also sought the feedback of my friends in the septic service industry here in Minnesota.I visited one of the Pumper online discussion forums (www.pumper.com). Posted comments said some designers and installers were proposing a 10- to 12-year cleaning frequency. I agree there may be conditions where a septic tank does not need to be cleaned for 10
