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Book OnlineA septic system is a suitable option when managing wastewater. There are two standard methods: the trench system and the bed system. Both options allow treated effluent from a septic tank to infiltrate the soil safely. However, they differ significantly in design, soil requirements, and best-use scenarios. Before undertaking a septic tank installation, Rooter Man Plumbing can help you understand the differences between these systems to help you make an informed decision. Let’s dive into what sets the trench system apart from the bed system.
A trench system is the more traditional of the two methods. During the initial septic tank installation, a narrow trench is dug into the ground, and perforated pipes are laid within these trenches. The pipes distribute the treated wastewater evenly into the surrounding soil, further filtered as it percolates downward. The length and depth of the trenches depend on the volume of water that needs to be managed and the specific soil conditions on the property.
Trench systems are suitable for areas with sufficient soil depth and proper drainage. The design allows the water to travel slowly through the soil, reducing the risk of contamination. Because the trenches are narrow, they require less land area than a bed system, making them ideal for properties with limited space. However, poor absorption and heavy clay or shallow bedrock may require recurring septic tank repair and maintenance.
A bed system consists of a large, flatbed with perforated pipes in a grid pattern. The bed is usually wider and shallower than trenches, allowing wastewater to spread over a broader area. This system distributes the treated effluent quicker than a trench system, which is beneficial in certain soil types or areas with high water tables.
Bed systems are often used in soils that drain more slowly or are prone to saturation. Since the effluent is spread across a larger surface area, the soil doesn’t become overloaded in one spot. The bed system requires more land than a trench system but offers more flexibility in dealing with challenging soil conditions. However, the shallow depth of the bed can sometimes lead to faster water movement, prompting frequent septic tank pumping sessions.
One of the most critical factors when deciding between a trench and a bed system is the type of soil on the property. Trench systems are better suited for well-drained soils, such as sandy or loamy types, that can efficiently absorb and filter the effluent. A trench system may require recurring septic tank pumping sessions if the soil is too dense, like clay, or the water table is too close to the surface.
On the other hand, bed systems are more adaptable in these cases. Their broader distribution area allows them to work more effectively in soils with poor drainage. They are also helpful in regions where the water table is higher because they are shallower than trench systems, reducing the risk of groundwater contamination. Proper soil testing by a trusted septic company is essential before choosing the right system to ensure efficient wastewater treatment.
Both systems require routine maintenance to remain effective. Regular septic tank cleaning is necessary to prevent solids from clogging the pipes and damaging the system. However, trench systems may require frequent inspection since their pipes are more susceptible to blockages, given their narrower setup.
While bed systems cover a larger area, they may be more resilient. However, routine checks are crucial to ensure the effluent disperses evenly. In both cases, vegetation and roots should be kept from the drain field to prevent pipe damage. Regular monitoring and septic tank repair sessions can prolong the life of either system.
The trench system and bed system each offer unique advantages depending on a property's soil conditions, space availability, and wastewater management needs. Contact Rooter Man Plumbing to choose the right system for managing wastewater. As the go-to septic company in Studio City, we provide comprehensive services at competitive rates, including septic tank cleaning.