Plant shallow-rooted, non-woody plants like turf grass, ornamental grasses, or herbaceous perennials. Avoid trees, large shrubs, and deep-rooting vegetables to prevent roots from clogging your system. Always hand-dig to avoid damaging your pipes.
Herbaceous plants, such as annuals, perennials, bulbs and ornamental grasses are generally the best choices for use on a septic drain field. Ornamental grasses also offer the advantages of having a fibrous root system that holds soil in place, and providing year-round cover.
You can only place lightweight, shallow-rooted vegetation—like turf grass, small wildflowers, or shallow-rooted perennials—on top of a septic field. Avoid structures, heavy traffic, and deep-rooted trees, as they can compact the soil, crush the pipes, or cause expensive blockages.
Plant grass or keep existing native vegetation. These are the best covers for your drainfield. Direct all surface drainage away from the septic system. Use shallow-rooted plants (see plant list above).
Yes, you can plant over a septic drain field, but you must stick to shallow-rooted plants like grass or non-woody ground covers. Deep roots can damage pipes, and planting vegetables poses serious health risks.
The average lifespan of a septic system is 15 to 40 years, but it can last longer if properly maintained!
For a drainfield to operate effectively, it must remain clear of obstructions and heavy structures. Overloading a drainfield with heavy construction or impermeable materials can compact the soil or block the flow of wastewater, preventing proper filtration.
Septic drain field rejuvenation is a process used to restore failing or sluggish leach fields without the high cost of total replacement. It typically involves clearing clogged pipes, breaking up the anaerobic biomat (the slimy layer that stops water from draining), and aerating compacted soil.
Placing gravel over a septic drain field is generally not recommended as it can restrict oxygen flow and lead to soil compaction, reducing system efficiency. While a thin, decorative layer may be acceptable, heavy gravel layers or plastic barriers can damage the drainfield, which requires oxygen to treat wastewater.
The absolute worst thing for a septic tank is introducing harsh chemicals, grease, and non-biodegradable solids, or overwhelming the system with too much water at once. These mistakes kill the beneficial bacteria that break down waste, cause blockages, or permanently destroy the drainage field.
Patios and Other Heavy Landscaping Features
You should also avoid any heavy landscaping structures over leach fields, as the weight of concrete, pavers, and other dense building materials can compact the soil and crush the drain field pipes, leading to serious issues.
Yes, Dawn dish soap is generally considered safe for septic systems. Because its formulas use biodegradable surfactants and are free of phosphates, it won't disrupt the helpful bacteria in your tank when used in reasonable amounts.
Placing raised garden beds over a septic field or leach field is strongly discouraged by sanitation professionals and the EPA Proper Landscaping On and Around Your Septic System Guide. They can disrupt the system's soil evaporation and present significant health and maintenance risks.
You can only place lightweight, shallow-rooted vegetation—like turf grass, small wildflowers, or shallow-rooted perennials—on top of a septic field. Avoid structures, heavy traffic, and deep-rooted trees, as they can compact the soil, crush the pipes, or cause expensive blockages.
It is highly recommended that you do not eat vegetables grown directly over a septic leach field.
However, if you are careful, you can put trees with non-invasive, shallow roots in the area around your drain field and septic tank. Some examples include crabapples and white oaks. It's best to skip the Japanese maple, as these are extremely well-known for their pipe clogging abilities.
A septic drain field (or leach field) typically lasts 20 to 30 years. However, with meticulous maintenance, gentle daily habits, and ideal soil conditions, fields can occasionally last 50 years or more.
Growing shallow-rooted plants over the drainage area is recommended because they help remove excess moisture and nutrients from the soil and reduce erosion. Although turf grass is the typical choice, a variety of other herbaceous perennials, annuals and groundcovers can be safely and effectively planted.
Maintaining a healthy septic system means avoiding unnecessary additives like Rid-X, which can disrupt the natural bacterial balance and lead to costly problems. Instead, focus on proper maintenance practices, including regular pumping, water conservation, and responsible waste disposal.
For best results, add 2.5 gallons of BioOne to your pumped septic tank. Then add another 2.5 gallons for every 400 square feet of drain field directly into the header pipe or distribution box. If the drain field has completely failed soil fracturing may also be needed.
Leach lines typically have a life expectancy of 15-25 years, but a leach field that is properly maintained can last as long as 25-30 years.
No, coffee grounds are highly detrimental to septic systems. They do not break down in the tank, will build up at the bottom like sludge, and can cause severe drain clogs.
Yes, you can plant over a septic drain field, but you must stick to shallow-rooted plants like grass or non-woody ground covers. Deep roots can damage pipes, and planting vegetables poses serious health risks.
NEVER drive heavy vehicles (10,000+ lbs) over a septic field which includes delivery trucks, RVs, dump trucks, and tractors. These vehicles will likely cause immediate damage to your septic drain field in the form of severe compaction and pipe collapse.
Your septic tank works best at a neutral pH level. Normal household activities can make your tank too acidic over time. Baking soda acts as a buffer, helping maintain the pH balance that beneficial bacteria need to thrive.