How often do I need to pump out my septic tank?

For maintenance, a septic tank should be pumped to keep the system working properly. How often it is pumped depends on the amount of sewage generated, the size of the family and the size of the tank. Generally, a septic tank should be checked every 5 years to see if it needs to be pumped. North Carolina State University's Septic Systems and Maintenance website provides more information.

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1. What is grey water?
2. Can I use grey water to water plants at my home?
3. How often do I need to pump out my septic tank?
4. When should I have my septic system inspected?
5. How long should a septic system last?
6. What do I need to do to maintain my septic system?
7. What permits are needed in order to build a house?
8. What if I have an existing house that I want to replace or add on to?
9. How long is my permit good for?
10. What is a conventional septic system?
11. What is a perc Test?
12. What size does a septic system need to be?
13. Why do septic systems fail?
14. What is a repair area?
15. What kind of trees can I plant near the septic system?
16. How can I find out where my septic system is?