For those who have septic systems, there are steps you can take in your landscaping work to help maintain your septic systems' health. Plan drainage in your landscaping so as to channel water away from septic systems. Keep trees 100 feet or more away from septic systems, lest invasive roots cause damage. Grass can be planted on your drainfield to fight erosion. To further explore these and other tips for septic systems' health, please consult the advice on how to maintain septic systems' health by About's Home Buying and Selling Guide, Janet Wickell.