Septic systems treat water that drains from bathrooms, laundry rooms, and kitchens. However, draining waste down the kitchen sink can damage the function of a septic tank. Putting non-biodegradable items down the drain causes septic tank problems and harms your septic system. Continue reading to know more about does the kitchen sink drain into the septic tank: https://easyrooterplumbing.mystrikingly.com/blog/does-kitchen-sink-drain-to-septic-tank