A septic system consists of a principal outlet, a holding tank and a drainage area, or leach bed. The cylinder receives sewage from the building’s plumbing system in which it builds for a certain length of time until it’s full enough to exit the outlet that empties to the drainage area. While the cylinder itself is normally impervious to tree root damage, the roots of certain species of trees may pose a severe danger to the correct functioning of the leach area.
Even though contractors and arborists generally think that no tree is safe to plant too closely into a septic system, certain species are definitely unsuitable. Elms (Ulmus sp.) , gum trees (Eucalyptus sp.) , cypress trees (Cupressus), maples, especially silver maple (Acer saccharinium), birches (Betula sp.) , walnut trees (Juglans), poplars (Populus sp.) and willows (Salix sp.) Pose the greatest danger to septic tanks and sewage systems. Not only do the roots of these trees seek out the nearest and most plentiful source of water, they’re also attracted to the big deposits of enzymes located in the soil around a septic system, in addition to the oxygen in the corners. Such trees should be planted at least 50 feet in any portion of a drainage system, and ideally in the end of the system in which the soil is not as saturated. Species such as weeping willows, Monterey pines and walnut trees might not pose a danger if planted at least 100 feet in the computer system.
Tree Root Facts
The root system of any tree supplies its primary way of absorbing nutrients and water in the soil. Not all tree roots grow in exactly the same style, and the way that happens is governed by many factors, including what species the tree isalso where it’s growing, annual rainfall amounts and access to water. Tree roots naturally seek out the nearest and most abundant source of water, meaning that if a tree is planted too closely to a septic system, its roots will expand in the management of the wet soil around it.
Septic System Facts
Modern septic systems are very likely to have no more than 2 feet of soil cover, making trees, like oaks (Quercus sp.) With very heavy taproot systems slightly less of a danger, as they naturally send their main roots along a fairly vertical route straight down to the ground. A element that leads to the invasion of tree roots to drainage systems is that the pipes used to construct leach fields are filled with holes that offer easy access for any type of root. Generally made from PVC plastic, it doesn’t take long before the pressure from expanding roots builds to the point where the pipes split and split. Roots continue to grow in and around the pipes, taking up space in the gravel bed in which filtered effluents once drained. As the blockage dissolves, sewage starts to back up and finally the cylinder itself stops draining completely.
Safe Tree List
Generally, the larger the tree, the more complex its root system will be. Certain smaller varieties of trees might not present much danger to a septic system, and these comprise Japanese maple (Acer palmatum) and Amur Maple (Acer ginnala), 2 of several trees that grow to no more than 25 feet. The University of Tennessee Extension also advocates flowering dogwood (Cornus florida) as another great choice, as are smoke tree (Cotinus spp.) And Eastern redbud (Cercis canadensis), low-growing species that produce modest root processes. It’s important to not forget, however, that no tree is completely safe to plant close to a septic system. Under certain unpredictable conditions, the roots of any sort of plant can and will seek from the rich surroundings that the system supplies, only because it’s what plant roots naturally do.