If your septic drain field is giving you trouble, you may want to try cleaning out the field lines. A good cleaning may or may not solve the problem depending on what it is, but it's an inexpensive thing to try. If cleaning fails to solve the issue, it's time to call a professional for help.
What is a septic system and how does it work?
The Dangers of a Damaged or Leaking Septic System
How Long Does a Leach Field Last? - Aqua Pro Solutions
How to unclog a septic leach line - Quora
7 Tips to Take Care of Your Septic System
Plumbing
Clean Out Blocked Septic Lines
How to Use Baking Soda to Clean Septic Lines
How Much Does a Septic System & Septic Tank Cost - NexGen Septics
Dos and Don'ts of Drain Field Lines
The Grass is Always Greener Over the Septic Tank. Should it be? — Hunter Plumbing