While the topic of septic systems typically comes up in association with your restroom, your septic treats ALL of the water from your home. Including the laundry room. Septic systems and laundry can have a complicated relationship, depending on your habits.
Everyone has their own laundry techniques. However, practicing preventative, septic-safe habits preserves your septic tank and system.
If you are looking for ways to keep your septic system working better and longer, look to your laundry room and habits.